4140 Cold Drawn Alloy Steel Round Bar-Cold Finished

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Applications 4140 Cold Drawn Alloy Steel Round Bar is the most commonly used of the high tensile steels with a wide range of applications in automotive, Gear and Engine construction, Crankshafts, Steering, knuckles, Connecting rods, Spindles, Intermediate gears, Pump and Gear shafts, Axles, Nuts and Bolts, Machined components, pump shafts, valves, fasteners, machine tools, dairy equipments, surgical & medical parts, threaded bars, studs, bolts, pins, hinges and handles. Back to Top Quality Standard ASTM A108 Standard Specification for Steel Bar, Carbon and Alloy, Cold-Finished EN 10277 Bright steel products. EN 10278 Dimensions and tolerances of bright steel products GB/T 905 Dimension, shape, weight and tolerance for cold-drawn round, square and hexagonal steels GB/T 3078 Technical Requirements for Quality Structural Steels Cold Drawn Bar Back to Top All Grades Comparison

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We, Shanghai Unite Steel Trading Co., Ltd, 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 Northeast 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 company, 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!