Annealed / Hot Forged Round Steel Bar High Strength With Stable Performance

ASTM 519 8630Mod alloy steel bar

General-purpose pipe manufactured to ASTM Specification 519

Widely used in oil-patch applications such as connectors, hangers and block valves. Higher strength levels can be achieved by suitable heat treatment, but these are not NACE MR0175 approved.

Available in bar dimensions of 50.8 mm (2") to 762 mm (30")

Length range up to 6.1 m (20'

Chemical Composition

 We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!