Negotiable
The date of payment from buyers deliver within days
Guangdong
Long-term effective
2017-11-27 08:38
278
Company Profile
Guangzhou Changfeng Steel Co., Ltd.By certification [File Integrity]
Contact:Mrs. Helen Xie(Mr.)
Email:
Telephone:
Phone:
Area:Guangdong
Address:Guangdong
Trade mark | C | Si | Mn | Cr | Mo | V |
HSSD DC53 | 0.90-1.20 | 0.30-0.65 | 0.20-0.50 | 7.50-900 | 1.20-1.60 | 0.30-0.60 |
quench | temper | |||||||
program | Heating temperatureoC | Cooling way | Hardness (HRC) | Tempering temperature | Tempering number |
Hardness (HRC) |
||
First heating | Second heating | Last heating | ||||||
1 | 500-600 | 820-860 |
1010- 1060 |
Oil cooling | 60-65 | 170-230 | 2 | 61-63 |
2 | 500-600 | 820-860 |
1060- 1100 |
Oil cooling | 60-65 | 510-540 | 2 | 60-62 |
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