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| Country | USA | Germany/UK/France | JAPAN | ISO |
|---|---|---|---|---|
| Standard | ASTM A29 / A29M-05 | EN 10263/4-2001 | JIS G4053-2008 | ISO 683/18-1996 |
| Grades | 4340 | 41NiCrMo7-3-2, 1.6511 | SNCM439 | 36CrNiMo4 |
| Stand | C (%) | Mn (%) | P (%) | S (%) | Si (%) | Cr (%) | Mo (%) | Ni (%) |
|---|---|---|---|---|---|---|---|---|
| ASTM A29 / A29M-05 | 0.38-0.43 | 0.60-0.80 | ≤0.035 | ≤0.040 | 0.15-0.35 | 0.70-0.90 | 0.20-0.30 | 1.65-2.00 |
| EN 10263/4-2001 | 0.38-0.44 | 0.60-0.90 | ≤0.025 | ≤0.025 | ≤0.30 | 0.70-0.90 | 0.15-0.30 | 1.65-2.00 |
| JIS G4053-2008 | 0.36-0.43 | 0.60-0.90 | ≤0.030 | ≤0.030 | 0.15-0.35 | 0.60-1.00 | 0.15-0.30 | 1.60-2.00 |
| ISO 683/18-1996 | 0.32-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.10-0.40 | 0.90-1.20 | 0.15-0.30 | 0.90-1.20 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
| Melting Point | 1427°C | 2600°F |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | ＞980 MPa | 142140 psi |
| Yield strength | ＞835 MPa | 121110 psi |
| Elongation at break | ＞12% | ＞12% |
| Reduction of area | ＞55% | ＞55% |
| Hardness | ≤269HB | ≤269HB |
1.6511 Steel Characteristics
1.It has great atmospheric corrosion resistance, fatigue resistance and strength.
2.Stay excellent toughness, wear resistance and fatigue strength after heat treated.
3.It is alloy steel with low carbon and high nickel. About the coating and softening for leather knife sheath, it is a great choice.
4.4340 alloy steel bar is used widely in the aerospace industry because of great strength.
ABOUT US:
We specialize in 4140 and 4340 steels, which are versatile and have many advantages for a variety of industrial applications. Knowing the differences between them will help you choose the one that best suits your needs.
Our advantages: Focus on the steel industry for more than ten years, strong factories, professional services, ensure quality, customize according to customer requirements, factory prices, fast transportation,Good after-sales service, pleasant cooperation, high repurchase rate and so on.
We offer a wide range of information and high quality steel products on 4140 and 4340 steel, for more information on our 4140 and 4340 steel products, please contact us today. To discuss pricing details, please request a quote.
CONTACT US:
MiKi Zhuo
E-mail:jacklu@songshunsteel.com
Skype/Whatsapp/Wechat:+86-18269260283
ADD:No.4 Dongda Street, Shatou, Changan Town, Dongguan City, Guangdong Province, P.R.C China
Songshun Company Website:/
/
songshunsteel41404340
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