Material: Carbon Steel
Steel Grade: STC 370,STC 440 STC 510 A STC 510 B STC 540 STC 590 A STC 590B
Grade Group: 10#-45#, Q195-Q345
Outer Diameter(Round): 6 - 350 Mm
Product Name: Seamless Steel Tubes For Gas Cylinder GB 18248 37Mn 30CrMo
Material: 37Mn 30CrMo 34CrMo4 35CrMo
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