316H/S31609/SUS 316 Stainless Steel
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Alloy 316H (UNS S31609) is a high carbon modification of Alloy 316 developed for use in elevated temperature service. The alloy has higher strength at elevated temperatures and is used for structural and pressure vessel applications at temperatures above 932°F (500°C). The higher carbon content of 316H also delivers higher tensile and yield strength than 316/316L and its austenitic structure provides excellent toughness down to cryogenic temperatures.


The corrosion resistance of Alloy 316H is comparable to Alloy316/316L and is superior to Alloy 304/304L in moderately corrosive environments. It is often used in process streams containing chlorides or halides. The alloy resists atmospheric corrosion, as well as, moderately oxidizing and reducing environments. It also resists corrosion in polluted marine conditions.


Alloy 316H is non-magnetic in the annealed condition. It cannot be hardened by heat treatment, however the material will harden due to cold working. It can be easily welded and processed by standard shop fabrication practices.


STANDARDS
INDUSTEEL TRADEMARKS UNS ASTM EURONORMS EN SUS
316H S31609 316H

1.4919

SUS 316

Chemical Composition:
Grade   C Mn Si P S Cr Mo Ni N
316 H min.
max.
0.04
0.10

2.0

0.75

0.045

0.03
16.0
18.0
2.00
3.00
10.0
14.0
0.1

Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
316 H 515 205 40 95 217


Physical Properties

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
316 H 8000 193 15.9 16.2 17.5 16.3 21.5 500 740


Product details:

Thickness 3.0 mm-30.0 mm  or as customized
Steel Grades AISI316H
Application Medical equipment, Food industry
Production Hot-Rolled
Standard ASTM A240/A480
Width 1000 mm, 1250 mm, 1500 mm, 2000 mm  or as customized


APPLICATIONS
CHEMICAL INDUSTRIES PROCESS INDUSTRIES WATER TREATMENT STORAGE & TRANSPORTATION
Nitric Acid Sulfuric Acid Polymer& otheracids Fertilisers Pulp& Paper Hydrome-tallurgy Seawater& desalination Freshwater &Tanks Waste Water Chemical Tanks Cryogenic Tanks Renewable

POWER GENERATION OIL & GAS CONSTRUCTION
Nuclear Pollution control Hydroelectric Renewable Off & Onshore & production Refining & Gas processing Petrochemical Architecture Bridges

For more technical details :
(1) Indicative typical values
(2) Indicative typical values for thickness 20 mm at RT for transverse direction
(3) Hardening 496°C (925°F), 4h, air cooling
(4) PREN = Cr + 3.3 Mo + 16N
(5) PRENW = Cr + 3.3(Mo + 0.5W) + 16N
(6) HT: mechanical properties depend on heat treatment

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