X12Ni5 Material EN 10222-3 Standard 1.5680 Steel Number Welding Neck Flange WN Flange
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Product Description
X12Ni5 Welding Neck Flanges - EN 10222-3 Forged WN Flanges - 1.5680 Forged WN Flanges
Product Specifications
| Grade: | X12Ni5 |
| Number: | 1.5680 |
| Classification: | Alloy special steel |
Applicable Standards
- EN 10028-4: 2009 - Flat products made of steels for pressure purposes. Nickel alloy steels with specified low temperature properties
- EN 10222-3: 1999 - Steel forgings for pressure purposes. Nickel steels with specified low-temperature properties
- EN 10216-4: 2014 - Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified low temperature properties
- EN 10269: 1999 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
Chemical Composition (%) - EN 10028-4-2003
Cr+Cu+Mo < 0.5%; According EN 10216-4:2014 0.5 =< Ni =< 5.3
| Element | Content |
|---|---|
| C | max 0.15 |
| Si | max 0.35 |
| Mn | 0.3 - 0.8 |
| Ni | 4.75 - 5.25 |
| P | max 0.02 |
| S | max 0.005 |
| V | max 0.05 |
Mechanical Properties
| Nominal thickness (mm): | to 50 |
| Rm - Tensile strength (MPa) (+N) | 510-710 |
| Nominal thickness (mm): | to 30 | 30 - 50 |
| ReH - Minimum yield strength (MPa) (+N) | 390 | 380 |
Impact Energy (J)
| Temperature | Longitudinal (+N) | Transverse (+N) |
|---|---|---|
| +20°C | 70 | 50-60 |
| 0°C | 70 | 60 |
| -20°C | 65-70 | 45-55 |
| -40°C | 65 | 45 |
| -50°C | 65 | 45 |
| -60°C | 60-65 | 40-45 |
| -80°C | 60 | 40 |
| -100°C | 45-50 | 30 |
| -120°C | 40 | 27 |
| Nominal thickness (mm): | to 50 |
| A - Min. elongation at fracture (%) (+N) | 19-20 |
| A - Min. elongation at fracture (%) longitudinal (+QT) | 21 |
| Z - Reduction in cross section on fracture (%) (+N) | 50 |
Equivalent Grades
Warning! Only for reference EU
| EN | France AFNOR |
|---|---|
| X12Ni5 | 5Ni390 Z10N05 |
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