Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I...

47
1 STRIP CLADDING Johan Cobben BWG NL bv 2 november 2011 MCL Born

Transcript of Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I...

Page 1: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

1

STRIP CLADDING Johan Cobben BWG NL bv

2 november 2011

MCL Born

Page 2: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Inhoud

Proces review

Plateren

SAW vs ESW

voordelen

Nieuwe ontwikkelingen in ESW

hoge snelheid poeders

poeders voor 1-laags technieken

Toepassingen

bandlaskoppen en de Soudobeams

oplassen in vaten

oplassen in pijp

Page 3: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Platering

Basismateriaal = drager (mechanische eigenschappen)

Sterkte (Rp0,2)

Kruip

Taaiheid

Platering = buffer / beschermlaag

Corrosiebestendig

Hittevast

Slijtvast

Waterstofdiffusie (hydrocrackers)

Page 4: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Geplateerd staal

Explosief

Opgewalst

Opgelast TIG (GTAW)

MIG/MAG (GMAW)

Beklede electrode (SMAW)

Gevulde draad (FCAW-GS/SS)

Onder-poederdek (SAW-strip)

Electro-slak (ESW)

Page 5: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Strip

Aandrijfrollen

Contactschoenen

Flux

Flux Hopper

Flux hoogte

Electrische boog

Vloeibare slak

Gestolde slak

Vloeibaar metaal

Inbranding (1 - 1,5 mm)

SAW vs ESW

Page 6: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Electroslag Strip Cladding (ESW)

Speciaal poeder

1-zijdige poederaanvoer

Geen elektrische boog

El. geleidend vloeibare slak

Inbranding (0,3 – 0,4 mm)

Page 7: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Open smeltbad

Page 8: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Zeer gelijkmatige inbranding

Weinig opmenging

Hoge neersmeltsnelheden

Vlakke lasrupsen/opp. Draad

Voordelen

Strip

Page 9: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Homogeen lasmetaal vanaf ca. 0,2 mm tot fusion line

Page 10: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Zeer gelijkmatige inbranding

Weinig opmenging

Hoge neersmeltsnelheden

Vlakke lasrupsen/opp.

Typisch waarden met standaard lasparameters

SAW: 18%

ESW: 10%

A

B

BA

BDilution

Opmenging

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| Company | Presentation Title I Date We are the World of Welding Solutions.

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52

ESW - 120 mm STRIP

SAW - 60mm STRIP

SAW - 90 mm STRIP

MIG

P.MIG

PlasmaSpray

FCAW

SAW - 2 wires

SMAW

SAW - 120 mm STRIP

ESW - 60 mm STRIP

ESW - 90 mm STRIP

SAW-1 wire

Zeer gelijkmatige inbranding

Weinig opmenging

Hoge neersmeltsnelheden

Vlakke lasrupsen/opp.

Page 12: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Deposition rate in kg/h as a function of the welding current and

the strip width

0

10

20

30

40

50

60

200 700 1200 1700 2200 2700

Welding current [A]

De

po

sitio

n r

ate

[kg

/h]

30mm

90mm

60mm

120mm

Page 13: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Zeer gelijkmatige inbranding

Weinig opmenging

Hoge neersmeltsnelheden

Vlakke lasrupsen/opp.

Page 14: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Inhoud

Proces review

SAW vs ESW

voordelen

Nieuwe ontwikkelingen in ESW

hoge snelheid poeders

poeders voor 1-laags technieken

Toepassingen

bandlaskoppen en de Soudobeams

oplassen in vaten

oplassen in pijp

Page 15: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Vraag naar hogere productiviteit

2 oplossingen

Hogere neersmeltsnelheden

Hoge snelheids poeders

Minder aantal oplaslagen

1-laags poeders

Recente ontwikkelingen

Page 16: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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SAW ESW standaard ESW HS ESW 1-laags

Laagdikte

( mm ) 4,5 4,0 3,1 4,5

Neersmelt

( kg/u) 14 22 27 23

Neersmelt

(m²/u) 0,45 0,69 1,1 0,7

Hogere productiviteit

Page 17: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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OP bandlassen ESW bandlassen

2 lagen 2 lagen HS 1 laag (SL)

Tijd 100 u 42 u 33 u

Laagdikte 9,0 mm 6,2 mm 4,5mm

Page 18: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Stroom ( A ) : 750 1250 1400 1250

Voltage ( V ) 26 24 24 24

Snelheid (cm/min ) 10 16 30 16

Opmenging ( % ) 18 9 22 7

C gehalte (%) 0,045 0,030 0,055 0,020

op 0.18%C Staal

SAW ESW HS SL

ESW ESW

Page 19: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Hogere snelheid = meer opmenging (dus meer C en Fe opmenging)

Overgelegeerde band

Hogere stroomsterkten

Voorbeeld:

Single layer alloy 347 Composition

mm FN

C Mn Si Cr Ni Nb

1st l Soudotape 21.11.LNb Record EST 122 0.03 1.1 0.5 19 10 0.5 4.7 5

1st l Soudotape 24.12.LNb Record EST 136 0.05 1.21 0.24 19.5 10.3 0.41 3.1 6.2

60 mm strip: 1) 1250 A – 24 V – 18 cm/min

2) 1450 A – 24 V – 35 cm/min

Hoge snelheid poeders

C < 0,08%

Page 20: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Compensatie voor opmenging

Toelegerende elementen via poeder

Voorbeeld:

1-laags/2-laags alloy 347

Composition

mm FN

C Mn Si Cr Ni Nb

1st l Soudotape 309 Record EST

122 0.03 1.26 0.42 19.3 10.2 - 5

2nd l Soudotape 347 Record EST

122 0.02 1.33 0.41 19.1 10.2 0.37 5 6

1st l Soudotape 347

Record EST 347-1 0.03 1.3 0.58 19.0 10.4 0.35 4.8 5

60 mm strip: 1250 A – 24 V – 16 cm/min

1-laags poeders

Page 21: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Alloy /

Procedure Laag

Type band

/ Poeder

Laag-

dikte

(mm)

Snel-

heid

(cm/min)

Stroom

(Amp)

Neer-

smelt

(kg/uur)

C Mn Si Cr Ni Mo FN

1-laag 316L

overgelegeerde

band

1

Poeder

R.EST 136 4,2 23 675 13,5 0,03 1,35 0,35 17,1 12,0 2,4 4

Bandsamenstelling Soudotape 21.13.3L → 0,01 1,8 0,20 20,2 14,0 2,9 -

1-laag 316L

opmeng-comp.

poeder

1

Poeder

R.EST 316-1 4,2 23 675 13,5 0.03 1,18 0,38 17,8 12,1 2,5 3.9

Bandsamenstelling Soudotape 316L → 0,015 1,7 0,30 18,5 12,5 2,9 -

1e laag ~308

2e laag 316L

dunne lagen

hoge snelheid

1

Poeder

R.EST 136 3,1 35 725 15 0,05 1,50 0,50 18,4 10,2 0 2

Bandsamenstelling Soudotape 309L → 0,015 1,80 0,35 23,4 12,8 0 -

2

Poeder

R.EST 136 3,0 35 725 15 0,03 1,4 0,4 18,2 12,0 2,3 5

Bandsamenstelling Soudotape 316L → 0,015 1,7 0,30 18,5 12,5 2,9 -

1e laag 316L

2e laag 316L

dikke lagen

met hoge

neersmelt-

snelheid

1

Poeder

R.EST 136 5,0 26 900 18 0,03 1,35 0,35 17,1 12,0 2,4 4

Bandsamenstelling Soudotape 21.13.3L → 0,01 1,8 0,20 20,2 14,0 2,9 -

2

Poeder

R.EST 136 5,0 26 900 18 0,02 1,4 0,55 18,3 12,2 2,4 8

Bandsamenstelling Soudotape 316L → 0,015 1,7 0,30 18,5 12,5 2,9 -

Voorbeeld 316L

Page 22: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

EST201

Voorbeeld alloy 625

Eis Fe < 7%

Page 23: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

EST201

Page 24: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

ELECTROSLAG STRIP CLADDING ALLOY 625

Base material Type Thickness Preheat Interpass

C-Mn steel St E 350 0,2 % C 30 mm - < 150° C

Products Strip 1st layer

Strip type SOUDOTAPE 625 625

Strip size [mm] 60X0,5 60X0,5

Strip batch number EF 1748 EF 1748

Flux type RECORD EST 625-1

Flux batch number 5299

Parameters

Current [amps] 1250

Voltage [volts] 24

Speed [cm/min.] 20

Heat input [kJ/cm²] 15,0

Stick out [mm] 30

Flux depth [mm] 40

Overlap [mm] 6

Magnetic steering Yes

Physical properties

Bead thickness [mm] 5

Bead width [mm] 66

Dilution (approx.) [%] 8

Deposition rate (approx.) [kg/hr] 22

Chemical analyses [%]

C 0,011 0,019

Mn 0,010 0,08

Si 0,1 0,32

Cr 22,30 21,6

Ni 64,8 bal.

Mo 8,9 8,9

Nb 3,4 3,5

Fe 0,16 7,4

Ti 0,16 <0,01

Remarks :

ESW/625-1-30-625-EST625-1-15.12.2003/JLG/RDP.

Toelegerend poeder

Eis Fe < 7%

Page 25: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Low alloyed & Hardfacing Stainless Steel Nickel Alloys Cobalt Alloys

Unalloyed steel

1Cr-0.5Mo

3Cr-0,5Mo

5Cr-0,9Mo

0,15C-6Cr-1Mo

0,35C-6Cr-3Mo

0,4C-6Cr-0,7Mo

Alloy 258

Martensitics

410

420

410NiMo

Austenitics

308L

316L

347

317L

318L

904L

Duplex 2209

Super duplex 2584

825

625

600

400

200

690

C22

C276

59

B2

C4

Grade 6

Grade 21

Beschikbare combinaties

Page 26: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Inhoud

Proces review

SAW vs ESW

voordelen

Nieuwe ontwikkelingen in ESW

hoge snelheid poeders

poeders voor 1-laags technieken

Toepassingen

bandlaskoppen en de Soudobeams

oplassen in vaten

oplassen in pijp

Page 27: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Type SK 20 ES 1 - 35 SK 30 ES 2 - 75 SK 60 ES 3 - 207 SK 125 ES1 - 300

Bandbreedten 10 - 20 15 - 20- 30 30 - 60 30 - 60 - 90 - 120

Min. binnendiameter (mm).

langsrichting ** 150 220 380 550

circulair** - 350 550 700

adaptors beschikbaar beschikbaar beschikbaar beschikbaar

Cladding nozzles

SK 30 ES2-75 SK 60 ES3-207 SK 125 ES1-300

Page 28: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Cladding van smalle delen/pijp : nieuwe ontwikkeling in cladding nozzles

1) Diameter van de pijp : minimum 300mm – lengte max 2.5m

2) Diameter van de pijp : minimum 150mm – lengte max 2.5m

band : 30mm x 0,5mm

band : 20mm x 0,5mm

Page 29: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Cladding nozzle 30ES2-75 gemonteerd op Soudobeam voor cladden van pijp

300 mm binnendiameter

geisoleerde geleiding voor aanvoer band

aanvoer

voor poeder

Huidige configuratie : lassen in langsrichting

250mm

Page 30: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Cladding nozzle SK ES20-35 gemonteerd op Soudobeam voor cladden van pijp

150mm binnendiameter

isolatie

aandrijfas

Huidige configuration : lassen in langsrichting

120mm

Page 31: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Cladding nozzle SK ES20-35 gemonteerd op Soudobeam

voor cladden van pijp 150mm binnendiameter

Page 32: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Magneet sturing

CED1 1370 C22

Andere apparatuur

zonder magneetsturing

met magneetsturing

Page 33: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Invloed van Magneten

Boven niet actief:

smaller, dikker,

onregelmatige flank

Onder bekrachtigd: mooier

aangevloeide lasrups

Niet aktief

Wel aktief

Page 34: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Soudotape 24.12.LNb + Record EST 136

Technip Finland

Bandlassen in vaten

Voorbeeld: hydrocracker

Page 35: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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90 mm strip: 2250 A - 25 V - 27 cm/min

Technip Finland

Voorbeeld : hydrocracker

Page 36: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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30 mm strip, 750 A, 25 V, 27 cm/min

Technip Finland

Voorbeeld : hydrocracker - inlet of outlet nozzle

Page 37: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Technip Finland

Voorbeeld : hydrocracker - bodems

Page 38: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Kleppen opgelast Soudotape 625 (30*0.5)

en Record EST 236 (ESW) - en Record NFT 201 (SAW)

1 m

ete

r

Page 39: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Pijp plaat Soudotape 21.13.3L en Record EST 122

Page 40: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

| Company | Presentation Title I Date We are the World of Welding Solutions.

Reactor met SOUDOTAPE 21.13.3L (60*05) en RECORD

EST 122

Avec l’a

imable

auto

risatio

n d

e F

CI F

rance

Page 41: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

ESW bandlassen van offshore seperator vat (dia 2.5m)

met Soudotape NiCu7 (60*05) en Record EST 400.

Page 42: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Bandlassen in pijp

Pijp internal cladding met SK Soudobeam 30 LL1300 D300

Binnen diameter : 300mm

Page 43: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Pijp internal cladding met SK Soudobeam 20 LL1000 D150

Binnen diameter : 150mm

Page 44: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Cladding van 316L met Soudotape 316L en

flux Record EST 316-1

Diameter : 300mm

Band : 30x0.5mm

Page 45: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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3.5 mm

600A / 25V / 16cm/min

Cladrestore

Page 46: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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Electroslag STRIP CLADDING ALLOY 625

Base material Type Thickness Preheat Interpass

C-Mn steel. Provided by the costumer 19 mm - <150°C

Products Strip 1 Strip 2 1st layer 2nd layer 3rd layer

Strip type SOUDOTAPE 625 625

Strip size [mm] 20 x 0,5 20 x 0,5

Strip batch number 95461 95461

Flux type RECORD EST 201

Flux batch number 7501115

Parameters

Current [amps] 600

Voltage [volts] 24

Speed [cm/min.] 20

Heat input [kJ/cm²]

Stick out [mm] 40

Flux depth [mm] 35

Overlap [mm] -

Magnetic steering No

Physical properties

Bead extra-thickness [mm] 3,5

Bead width [mm] 30,5

Dilution (approx.) [%]

Deposition rate (approx.) [kg/hr]

Chemical analyses [%]

C 0,02 0,01

Mn 0,07 0,04

Si 0,18 0,29

S 0,001 <0,005

P 0,003 <0,005

Cr 22,1 20,7

Ni Bal. Bal.

Mo 8,96 8,45

Nb 3,6 3,2

Fe 0,2 4,94

Hardness (HB/HRC)

FN (FERITSCOPE) (%)

Remark:

Longitudinal cladding in a pipe for BÜTTING ESW/625-1-20 625-EST 201/25-10-07/GP

Page 47: Overzicht en ontwikkelingen in ESW bandlassen · 2019. 8. 28. · | Company | Presentation Title I Date We are the World of Welding Solutions. Low alloyed & Hardfacing Stainless Steel

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780A / 25V / 20cm/min