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DIN 17230 100Cr 6 steel ------High-carbon chromium bearing steel

1. DIN 17230 100Cr 6 main features and application
DIN 17230 100Cr 6 is a kind of high-carbon chromium bearing steel. It has good synthesis performance.Quenching and tempering will make 100Cr 6 steel high and even hardness, and excellent abrasive resistance and fatigue strength. Good hot workability,after spheroidizing annealing, 100Cr 6 has good machinability, sensitive to white dot.
DIN 17230 100Cr 6 is mainly used to manufacture internal-combustion engine,electric locomotive,machine tool,tractor,steel rolling equipment,driller,steel balls,roller,and axle sleeve of rail truck, mining machine spiale.
2. The equal material of DIN 17230 100Cr 6 in different standard.

DIN 17230 / GB/T18254 / ΓOCT 801 / ASTM
A295 / ISO683-17 / JIS G4805 / NF A35-565
100Cr 6 / GCr15 / IIIX15 / 52100 / 1 / SUJ2 / 100Cr 6

3. DIN 17230 100Cr 6 chemical composition by %.

C / Si / Mn / Cr / Mo / P / S / others
0.95-1.05 / 0.15-0.35 / 0.25-0.45 / 1.4-1.65 / ≤0.1 / ≤0.025 / ≤0.02 / Ni≤0.30
Cu≤0.25
Ni+Cu≤ 0.5

4.DIN 17230 100Cr 6 mechanical property and delivery condition.

Category / Standard / Delivery Condition / Anneal (soften or spheroidizing ) hardness HBW
Hot rolled bar / DIN 17230 / Hot rolled,hot rolled soften annealing,hot rolled spheroidizing annealing,hot rolled spheroidizing annealing skin,hot rolled soften annealing skin. / 179-207
Forging bar
Cold drawn bar / Cold drawn or burnishing
Hot rolled tube/pipe / Hot rolled,hot rolled annealing burnishing
Cold drawn tube/pipe / Cold drawn
Steel wire rod / Hot rolled or spheroidizing annealing
Wire / Annealing / Quenching HRC≥62
Wire / Annealing / φ≤10mm
Rm :590-760MPa
Φ>10mm
HBW≤229
Phosphorus cold drawn / φ≤10mm
Rm :≤ 850MPa
Φ>10mm
HBW≤229
Cold drawn,burnishing / --
Hot rolled or Forging bar,cold drawn bar and wire / Hot rolled,cold drawn,annealing / HBW 179-207

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