Detailed Product Description

1040 chemical compositon:

C:0.37%~0.44%;  Mn:0.6%~0.9%;   P:MAX.0.04%;     S:MAX.0.05%

ASTM 519 This specification covers several grades of carbon and alloy steel seamless mechanical tubing,both seamless hot & cold finished machanical tubing.The tubes shall be in such shapes:round,square,rectangular, and specia sections.