1.4919
- 316H
- S 31609
Austenitic chromium-nickel-molybdenum stainless steel in addition with nitrogen and boron. A High Carbon Version of 316 Austenitic Stainless Steel making it more suitable for elevated temperature service.Very good resistance to raised temperature. Application : Chemical and Petrochemical Processing – pressure vessels, tanks, heat exchangers, piping systems, flanges, fittings, valves, and pumps, power and nuclear plants.
Mechanical Properties
Tensile strength: | 490-690 | N/mm² |
Yield strength 0,2% : | 205 | ≥ N/mm² |
Elongation: | 35 | ≥ % |
Hardness HB30: | - | ≤ HB |
Chemical Composition
Carbon
C
0,04-0,08% max
Silicon
Si
0,75% max
Magnese
Mn
2% max
Phosphorus
P
0,045% max
Sulphur
S
0,015% max
Chromium
Cr
17,0-19,0%
Nickel
Ni
12,0-14,0% max
Heat Treatment
This alloy resists atmospheric corrosion, as well as, moderately oxidizing and reducing environments. It also resists corrosion in polluted marine conditions.
This alloy resists atmospheric corrosion, as well as, moderately oxidizing and reducing environments. It also resists corrosion in polluted marine conditions.
manual arc
It can be easily welded and processed by standard shop fabrication practices.
Marking
All material will be marked as follow:
- Manufacturer’s name
- Material grade
- Size
- Heat Number
Certification
Material will be delivered with certificate EN 10204 3.1