
Alloy Steel Carbon Structure Ring Forging Part for Truck /Mining Auto Parts Forging. Wide Material Selection: Carbon steel, Low Carbon steel, 40Cr, 20CrMnTi, 20CrNiMo available. Customizable Dimensions: Blank sizes from 142mm to 300mm or according to customer requirement. High Precision Machining: Machining tolerance ranges from 0.005mm to 0.1mm with Ra 0.8-3.2 surface quality. Comprehensive Heat Treatment: Options include Normalization, quenching, Case Hardening, Nitriding, and Induction Quenching. Extensive Surface Finishing: Shot blast, polishing, passivation, powder coating, plating, and painting available. CE and ISO Certified: Certified under CE, ISO 9001:2000, and ISO 9001:2008 standards. Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, Western Union, and Money Gram. Sample Availability: Samples offered for quality check before mass production.