Steel Grade S355 Q355 Square and Rectangular Hollow ...
Product Square and Rectangular Steel Pipe Material Carbon Steel Grade Q195 = S195 A53 Grade A Q235 = S235 A53 Grade B A500 Grade A STK400 SS400 ST42.2 Q355 = S355JR A500 Grade B Grade C Standard DIN 2440, ISO 65, EN10219, GB/T 6728, JIS G3444 G3466, ASTM A500, A36 Surfa...
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