GCr15 E52100 D502 GCr9SiMn SUJ2 Bearing steel
1.quality: GCr15 E52100 D502 GCr9SiMn SUJ22.supply condition: Hot-rolled round steel, Annealed Round steel, Bright Round steel
3. Processing: Hot working
4. Grade:
Product Name | Product Series | Grade | Specification | Supply Conditions | Processing |
High-carbon Chromium Bearing steel | Cr | GCr15 | 30-95 | Hot-rolled round steel Annealed Round steel Bright Round steel | Hot working |
Carburizing Bearing steel | Si-Mo-V | D502 | 30-140 |
China GB YB | Japan JIS | Germany VDEh | USA ASTM SAE AISI | UK BS | France NF |
GCr6 | 105Cr2 | E50100 | 100C3 | ||
GCR9 | SUJ1 | 105Cr4 | E51100 | 534A99 | 100C5 |
GCr15 | SUJ2 | 100Cr6 | E52100 | 534A99 | 100C6 |
GCr9SiMn | SUJ3 | ||||
GCr15SiMN | 100CrMn6 |
5. Chemical composition:
Steel Grade | C | Si | Mn | P | S | Cr |
E52100 | 0.95 1.10 | 0.15 0.35 | 0.25 0.45 | Max. 0.025 | Max. 0.025 | 1.30 1.60 |
GCr15 | 0.95 1.05 | 0.15 0.35 | 0.20 0.40 | Max. 0.027 | Max. 0.020 | 1.30 1.65 |
6. Quality Contation
Both end of each bar must be cut.
Ladle furnanced and vacuum de-gassed
Show heat No. on each bar
Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.
7. not annealed, if you want annealed, the price will add USD200/mt
GCr15 E52100 D502 GCr9SiMn SUJ2 Bearing steel