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- Contact Person : Mr. Lee Louis
- Company Name : Shanghai Changjin Metal Product Co., Ltd.
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Alloy structural steel AISI 4340
Product Detailed
Related Categories:Structural Steel
Alloy structural steel AISI 4340
1.AISI 4340,JIS SNCM 8,DIN 1.6565
2.Certification:ISO 9001:2000
3.Alloy structural steels
Alloy structural steel AISI 4340
Element | C | Mn | P | S | Si | Cr | Ni | Mo |
Weight % | 0.36- 0.44
| 0.50- 0.80
| 0.015 (max) | 0.025 (max) | 0.17- 0.37
| 0.60- 0.90 | 1.25- 1.75 | 0.15- 0.25 |
Mechanical Properties | ||||||
Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | Reduction in Area φ/% | Impact Strength (J)(Izod) | Sample after T+Q Brinell hardness HB | |
Not less than | ||||||
1080 | 930 | 12 | 50 | 65 | 321-375 | |
840 | 6 | 30 | 31 | - |
| |
980 | 835 | 12 | 55 | 78 | 293-341 | |
750 | 6 | 33 | 39 | - |
|
Alloy structural steel AISI 4340