4140,42CrMo4,42CrMo,SCM440 cold drawn bar, cold finished bar, S6-100mm

Application

Cold Drawn steel round bar are widely used in machinery making, autombile making, railway, mine machinery, petoleum machinry, agricultural machinery and civil archtectue such as all kinds of shafts, screws, connecting rods, hardware tools, gears, standard parts, spanners fasteners, structural parts for automobile and agricultural machinery, outer and iner sleeves, rollers and balls for bearing making.

Related specification:

Chemical composition:

Carbon 0.38-0.43

Silicon 0.15-0.35

Manganese 0.75-1.00

Phosphorus 0.035 max

Sulphur 0.04 max

Chromium 0.80-1.10

Molybdenum 0.15-0.25

Size range:

S6-100mm

Length Random Length, Fixed Length, etc.

Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property yield strength, tensile strength, elongation and hardness, forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.

Please feel free to contact us again if you have any further questions. We look forward to receiving an order from you.

 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!