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:490-690N/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

2,00% max

PHOSPHORUS

P

0,045% max

SULPHUR

S

0,015% max

CHROMIUM

Cr

17,0-19,0% max

NICKEL

Ni

12,0-14,0% max

This alloy resists atmospheric corrosion, as well as, moderately oxidizing and reducing environments. It also resists corrosion in polluted marine conditions.