Alloy 31/N08031 Sheet/Bar/Pipe
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Description:

Alloy 31 / N08031 / NS144 / 1.4562


Alloy 31 is an iron-nickel-chromium-molybdenum alloy with nitrogen addition. It has a pitting resistance in high chloride environments between those of super-austenitic stainless steels and nickel alloys. The alloy has very good corrosion resistance in mixed acid and high chloride environments. The material is approved in ISO 15156/ NACE MR0175 to test level VI for sour gas service.

STANDARDS
INDUSTEEL TRADEMARKS UNS ASTM EURONORMS EN SUS
Alloy N08031 - 1.4562
X1NiCrMoCu32-28-7
-
CHEMICAL ANALYSIS (%WEIGHT)
C Cr Ni Mo N Others
< 0,030 26,5 31 6,3 0,2 -

PROPERTIES
0,2 Y.S.- Rp 0,2min ASTM / EN 0,2 Y.S.- Rp 0,2(2)typical value UTS - Rm min ASTM / EN UTS - Rm(2)typical value EI-A(1)% PREN(4) HOMOLOGATIONS
MPa Ksi MPa Ksi MPa Ksi MPa Ksi Last revised
276 40 330 48 650 94 720 104 40 48
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 :
Download the complete datasheet
(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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