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  • Product Name: GCr15/52100/100Cr6 Bearing Steel
  • Product ID: 6001
  • 上架时间: 2017-08-30
  • Views : 2964

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Standard  GB/T 18254-2000

The most widely used high carbon chromium rolling bearing steel, low alloy cold steel mold, is one of the best overall performance of the water, oil hardening tool steel.

Chemical Composition%

 

Standard

Steel Grade

C

Si

Mn

P

S

Cr

Cu

Mo

Ni

DIN

100Cr6

0.95-1.05

0.15-0.35

0.25-0.45

≤0.025

≤0.025

1.4-1.65

≤0.25

-

≤0.30

ASTM

E52100

0.95-1.05

0.15-0.35

0.20-0.40

≤0.027

≤0.020

1.30-1.60

≤0.25

-

≤0.30

GB

GCr15

0.95-1.05

0.15-0.35

0.25-0.45

≤0.025

-

1.40-1.65

≤0.25

≤0.10

≤0.30

 

It is used to make the heavy load for the production of a small section ofquenched large pieces of normalizing and stress smaller parts.

Bearing steel is not suit for forging, temper brittles tempreture is 200-250℃.

Delivery and hardness: Annealed, hardness≤197HBS.

Ordinary annealing rule: annealing temperature 790-810,until the temperature is 650, air cooling, hardness 170-207HB.

Isothermal annealing: annealing temperature 790-810℃, keep warm time:2-4h,isothermal annealing temperature 710-720℃, air cooling, hardness 207-229HB.

High tempering: temper temperature 650-700℃, air cooling, hardness 229-285HB.

Delivery:

Hot rolling annealing, don’t annealing, Annealed steel strip, cold draw round bar steel, polished round bar steel, hot rolled steel pipe, annealing peeling steel pipe, cold draw steel pipe.

Application:

1.For stamping die, requiring high resistance of the convex and concave mold, the hardness required 60-62HRC when do the punch, the hardness required 62-64HRC when do die mould.

2.Guide pin guide sleeve steel.

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