Alloy Steel Shafts By Wuxi Fuhong Special Steel Co.,ltd.

Known for anti-corrosive surface and high durability, the Alloy Steel Shafts put forwarded by us are manufactured with the use of the exceptional quality steel and the cutting-edge techniques. These shafts are used in automobiles and heavy duty machines for transferring load. As per the requirements of the clients, the provided  shafts are made available in both standard as well as customized specifications. Moreover, patrons can purchase these Alloy Steel Shafts  at negotiable prices from us.Features: Rust proof Easy to install Precisely engineered Excellent finish Specifications: C: 0.38-0.43, Si: 0.15-0.35, Mn: 0.60-0.80, P: max0.035, S: max0.040 Cr: 0.70-0.90, Mo: 0.20-0.30, Ni: 1.65-2.00 Equivalent Grades Werkstoff: 1.6582 DIN: 34CrNiMo6 JIS: SNCM447 BS: 817M40 / EN24 Forms of AISI 4340Square / Round / Flat Bars, Shafts, Blocks & Rollers.  Size of 4340 SteelAs Forged & Round bar Size: Dia.80-1,000mm Length: 3,000-10,000mm Square bar Size: 150x150-600x600mm Length: 3,000-8,000mm (Forged Flat Bars, Shafts, Blocks & Rollers can be Customized)As RolledRound Bar Size: Dia.10-300mm Length: 3,000-10,000mm(can be customized) Dimension ToleranceBlack surface: Forged sizes upto 500mm (-0/+5mm) Forged sizes above 500mm in diameter (-0/+8mm) Machined surface to all sizes (-0/+3mm)AISI 4340 Steel Surface ConditionFor delivery of machined surface bars, the material shall be free of black spots, cracks, decarburized layer, or other flaws. Quenched & Tempered (+QT) of SAE 4340 Steel Heat the 4340 steel to 830-865oC Quench in oil after soaking at this temperature Temper as AISI 4340 reaches to room temperature (20oC) Carefully heat the steel to an appropriate temperature Allow to cool in the air AISI 4340 Alloy Steel Annealing Heat this material to 800-860oC slowly, and permit adequate time for it to be completely heated. Cool in the furnace slowly. Other Technical Specification: Melting Process: EAF/BOF+LF+VD Saw cut ends Forging Ratio: 3:1, minimum Final product grain size: as per ASTM E112 more than 5, preferable more than 8 Ultrasonic test: as per SEP1921 Class D/d or C/c Quality Certificate:As per the EN10204 3.1, with mechanical properties (Yield point, Elongation after fracture, Tensile strength, Impact energy, Percentage decrease of area after fracture) and Hardness.