X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 - Specification & Application
X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 - Specification & Application
- EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels
- EN 10088-1 - Stainless steels - Part 1: List of stainless steels
- EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
- EN 10088-3 - Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
- EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
- EN 10272 - Stainless steel bars for pressure purposes
- EN 10297-2 (2005) - Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
used for fasteners, heat exchangers, coolers, tanks, pumps, pipelines and similar equipment of refineries, paper mills, food processing plants and chemical plants
Chemical composition(wt.%) of X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 grade: to EN 10028-7
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|
| C | - | 0.080 |
|
|
| Si | - | 1.00 |
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|
| Mn | - | 2.00 |
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|
| P | - | 0.045 |
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|
| S | - | 0.015 |
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|
| Cr | 16.50 | 18.50 |
|
|
| Mo | 2.00 | 2.50 |
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|
| Ni | 10.50 | 13.50 |
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|
| Nb | 10×C | 1.00 |
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|
Mechanical properties of grade X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 grade: to EN 10028-7
Yield Strength,Rp 0.2(MPa)
| Condition | Min | Max | Similar | Note |
|---|
| Forgings | 220 | 250 |
|
|
| Hight temperature 50°C | 207 |
|
|
|
| Hight temperature 150°C | 177 |
|
|
|
Tensile Strength,Rm(MPa)
| Condition | Min | Max | Similar | Note |
|---|
| Forgings | 520 | 720 |
|
|
| Hight temperature 50°C | 490 |
|
|
|
| Hight temperature 150°C | 410 |
|
|
|
Impact,Kv/Ku(J)
| Condition | Min | Max | Similar | Note |
|---|
Elongation,A(%)
| Condition | Min | Max | Similar | Note |
|---|
| Forgings | 40 |
|
|
|
| Forgings KV. 20°С | 100 |
|
|
|
Reduction of area,(%)
| Condition | Min | Max | Similar | Note |
|---|
Hardness
| Condition | Type | Min | Max | Similar | Note |
|---|
| Forgings | HBW |
| 230 |
|
|
Physical properties of grade X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 EN 10028-7
| Density | Note |
|---|
| 8 g/cm3 | Room temperature |
| Specific heat capacity | Note |
|---|
| 0.5 kJ/(kg*K) | Room temperature |
| Thermal conductivity | Note |
|---|
| 15 W/(m*K) | Room temperature |
| Young's modulus E | Note |
|---|
| 200 GPa | Room temperature |
| Electrical resistivity | Note |
|---|
| 0.75 µΩ*m | Room temperature |
| Linear expansion coefficient | Note |
|---|
| 16.5 (10-6/K) | Room temperature |
| Linear expansion coefficient | Note |
|---|
| 16.5 (10-6/K) | temperature: 100°C |
Related properties
| Heat treatment and working - Forging 1150 °C - 850 °C |
| Heat treatment and working - Rolling 1150 °C - 850 °C |
Heat treatment and working - Solutioning 1030 °C - 1110 °C
|
X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 - Detail
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 used for fasteners, heat exchangers, coolers, tanks, pumps, pipelines and similar equipment of refineries, paper mills, food processing plants and chemical plants
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