General Characteristics
Mo alloyed austenitic grade with higher corrosion resistance than “316L”, e.g. used in the chemical processing industry.
Typical Applications
Chemical tankers
Pulp and Paper equipment
Condenser tubes and heat exchanger tubes
Equipment for the petrochemical industry
Flue-gas desulfurization equipment
Chemical Composition
The chemical composition may vary slightly between different product standards. The required standard will be fully met as specified on the order.
The chemical composition is given as % by weight.
C | Mn | Cr | Ni | Mo | N | |
Typical | 0.02 | 18.2 | 13.7 | 3.1 | ||
ASME II A SA-240 | ≤0.030 | ≤2.00 | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 | ≤0.10 |
ASTM A240 | ≤0.030 | ≤2.00 | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 | ≤0.10 |
EN 10028-7 | ≤0.030 | ≤2.00 | 17.5-19.5 | 13.0-16.0 | 3.0-4.0 | ≤0.10 |
EN 10088-2 | ≤0.030 | ≤2.0 | 17.5-19.5 | 13.0-16.0 | 3.0-4.0 | ≤0.10 |
EN 10088-3 | ≤0.030 | ≤2.00 | 17.5-19.5 | 13.0-16.0 | 3.0-4.0 | ≤0.10 |
EN 10088-4 | ≤0.030 | ≤2.0 | 17.5-19.5 | 13.0-16.0 | 3.0-4.0 | ≤0.10 |
IS 6911 | ≤0.030 | ≤2.00 | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 | ≤0.10 |
Mechanical Properties
The mechanical properties of the available products are given in the table below.
| Standard | Rp0.2 | Rp1.0 | Rm | Elongation | Rockwell | HB |
MPa | MPa | MPa | % | |||
Product type: Cold rolled coil and sheet | ||||||
Typical (thickness 1 mm) | ||||||
ASME II A SA-240 | ≥ 205 | ≥ 515 | ≤ 217 | |||
ASTM A240 | ≥ 205 | ≥ 515 | ≤ 95HRB | ≤ 217 | ||
IS 6911 | ≥ 205 | ≥ 515 | ≤ 95HRB | ≤ 217 | ||
Product type: Hot rolled coil and sheet | ||||||
Typical (thickness 4 mm) | ||||||
ASME II A SA-240 | ≥ 205 | ≥ 515 | ≤ 217 | |||
ASTM A240 | ≥ 205 | ≥ 515 | ≤ 217 | |||
IS 6911 | ≥ 205 | ≥ 515 | ≤ 95HRB | ≤ 217 | ||
Product type: Hot rolled quarto plate | ||||||
Typical (thickness 15 mm) | 300 | 340 | 610 | 50 | ||
ASME II A SA-240 | ≥ 205 | ≥ 515 | ≤ 95HRB | ≤ 217 | ||
ASTM A240 | ≥ 205 | ≥ 515 | ≤ 95HRB | ≤ 217 | ||
EN 10028-7 | ≥ 220 | ≥ 260 | 520-720 | ≥ 40 | ||
EN 10088-2 | ≥ 220 | ≥ 260 | 520-720 | ≥ 40 | ||
EN 10088-4 | ≥ 220 | ≥ 260 | 520-720 | ≥ 40 | ||
IS 6911 | ≥ 205 | ≥ 515 | ≤ 95HRB | ≤ 217 | ||
Product type: Wire rod | ||||||
Typical | 260 | 280 | 580 | 50 | ||
Physical Properties
Data according to EN 10088, EN 10095 or typical values.
| Density | Modulus of elasticity | Thermal exp. at 100 °C | Thermal conductivity |
kg/dm3 | GPa | 10-6/°C | W/m°C |
8.0 | 200 | 16,0 | 14 |
