We are Distributors and Suppliers of alloy 31 grade alloy 31 uns n08031.

Description

Some features of Alloy 31 are:

- Excellent resistance to corrosion and erosion in phosphoric acid media

- Excellent resistance to general and localized corrosion in Chloridoxid bleaching plants in paper production

- Certification to ISO 15156/MR 0175 to level VI for sour gas applications in the oil and gas industry

- Excellent resistance in reducing and oxidizing media, as well as in boiling 67% nitric acid

- Excellent corrosion resistance in alkaline and acid halide media

- Approval for pressure vessels with operating temperatures from -196 to 550 ° C

- Good processability and weldability

-Excellent resistance to sulfuric acid in a highly concentrated form

Chemical composition of Alloy 31

C

≤ % Si

≤ % Mn

≤ % P

≤ % S

≤ % Cr

% Mo

% Ni 0 – 0,015 0 – 0,3 0 – 2,0 0 – 0,02 0 - 0,01 26 - 28,0 6,0 – 7,0 30 – 32,0 N

% Cu

≤ % Fe 0,15 – 0,25 1,0 – 1,4 Rest

Characteristics of Alloy 31

Temperature Range Material for wet corrosion Density 8,1 g/cm³ Elongation at break of Alloy 31 ≥ 40 % ISO-V notch impact toughness ≥ 185 J/cm² at room temperature

≥ 140 J/cm² at -196°C

Our Export Market

• Central/South America • North America • Asia • Mid East/Africa • Western Europe • Australasia • Eastern Europe • UAE

Our Sales Location