详情
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1. seamless pipe
Size: dia *0mm***0mm
Material: *0# **5# , Q**5A/ B/ C/ D, *7SiMn, *0Cr, *0CrMn, *0CrMn,
*0Mn
Executive standard: GB***2 ( structural pipe ) , GB***3 ( fluid
pipe ) , GB******9 ( boiler pipe ) , GB******5 ( boiler pipe for
high pressure ) , GB********0 ( fertilizer special pipe ) ,
GB******8 ( petroleum cracked pipe ) , DIN*******5 ( German
standard ) , ST*5.8, ASTM **6B etc. foreign standard
2. straight weld tubing, galvanized pipe
Size: dia *0mm***0mm
Material: Q***-Q**5, *6Mn, Q**5A/ B
3. welding square pipe/ rectangular tube/ galvanized square and
rectangular pipe
Size: dia *2mm***0mm
Material: Q***-Q**5
4. screw seam two submerged-arc welding pipe
Size: dia **9mm****0mm
Material: Q**5B, Q**5B
