Specification :

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1. seamless pipe
Size: dia 10mm-630mm
Material: 10# -45# , Q345A/ B/ C/ D, 27SiMn, 40Cr, 40CrMn, 20CrMn, 30Mn
Executive standard: GB8162 ( structural pipe ) , GB8163 ( fluid pipe ) , GB3087-99 ( boiler pipe ) , GB5310-95 ( boiler pipe for high pressure ) , GB6479-2000 ( fertilizer special pipe ) , GB9948-88 ( petroleum cracked pipe ) , DIN17175-95 ( German standard ) , ST45.8, ASTM 106B etc. foreign standard
2. straight weld tubing, galvanized pipe
Size: dia 10mm-630mm
Material: Q195-Q235, 16Mn, Q345A/ B
3. welding square pipe/ rectangular tube/ galvanized square and rectangular pipe
Size: dia 12mm-400mm
Material: Q195-Q235
4. screw seam two submerged-arc welding pipe
Size: dia 159mm-2200mm
Material: Q235B, Q345B