div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · KSTB35 KSTB42 320 360 410 460 TS6TW6 -rs10 TWIO 360 410 510 320 360 410 GBT 8162 45 10 40Cr GBT 10 20 35 35CrM0 8163 Seamless steel tubes for structural purposes src=https:reader030fdocumentsnlreader030viewer20220409055e78e659ba1b0421493447f6html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · KSTB35 KSTB42 320 360 410 460 TS6TW6 -rs10 TWIO 360 410 510 320 360 410 GBT 8162 45 10 40Cr GBT 10 20 35 35CrM0 8163 Seamless steel tubes for structural purposes src=https:reader030fdocumentsnlreader030viewer20220409055e78e659ba1b0421493447f6html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: · KSTB35 KSTB42 320 360 410 460 TS6TW6 -rs10 TWIO 360 410 510 320 360 410 GBT 8162 45 10 40Cr GBT 10 20 35 35CrM0 8163 Seamless steel tubes for structural purposes src=https:reader030fdocumentsnlreader030viewer20220409055e78e659ba1b0421493447f6html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: · KSTB35 KSTB42 320 360 410 460 TS6TW6 -rs10 TWIO 360 410 510 320 360 410 GBT 8162 45 10 40Cr GBT 10 20 35 35CrM0 8163 Seamless steel tubes for structural purposes src=https:reader030fdocumentsnlreader030viewer20220409055e78e659ba1b0421493447f6html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: · KSTB35 KSTB42 320 360 410 460 TS6TW6 -rs10 TWIO 360 410 510 320 360 410 GBT 8162 45 10 40Cr GBT 10 20 35 35CrM0 8163 Seamless steel tubes for structural purposes...