Gcr15 Steel Round Bar
Round Steel Bar Products Description
GCr15 solid steel round bar is a common steel used to produce bearing balls and bearing rings. GCr15 round metal stock has the characteristics of uniform chemical composition, low harmful element content, high purity, uniform carbide distribution and good surface quality.
GCr15 round metal rod has stable heat treatment quality, uniform structure, high NMness, good wear resistance and high contact fatigue strength.
GCr15 round bar is mainly used to manufacture shafts for internal combustion engines, electric vehicles, machine tools, tractors, rolling mills, sounding drills, railway vehicles and mining machinery.
Gcr15 Steel Round Bar Products Details
GB/T 18254 GCr15 round bars chemical composition by %,maximum
| Grade | C | Si | Mn | Cr | P | S | Mo | Ni | Cu |
| GB/T 18254 GCr15 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 1.4-1.65 | ≤0.025 | ≤0.025 | ≤0.1 | ≤0.3 | ≤0.25 |
GB/T 18254 GCr15 round bars mechanical properties
| Grade | Delivery State |
Hardness, (annealing or tempering) HBW,max |
Forging ratio |
Grain Size (level) |
Nonmetal ratio |
| GB/T 18254 GCr15 |
Hot rolled,forged,hot rolled (forged) balling annealing, hot rolled intenerating annealing, hot rolled intenerating annealing decorticating |
179-207 | ≥ 4:1 | ≥ 6 | ≤ 2.0 |
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