Stainless Steel Grade 310S - Super Heat Resistant Grade

Chemcial Composition of Grade 310/310S Stainless Steel

The chemical composition of grade 310 and grade 310S stainless steel are summarised in the following table.

Table 1. Chemical composition % of grade 310 and 310S stainless steel

Chemical Composition	310	310S
Carbon	0.25 max	0.08 max
Manganese	2.00 max	2.00 max
Silicon	1.50 max	1.50 max
Phosphorus	0.045 max	0.045 max
Sulphur	0.030 max	0.030 max
Chromium	24.00 - 26.00	24.00 - 26.00
Nickel	19.00 - 22.00	19.00 - 22.00

Mechanical Properties of Grade 310/310S Stainless Steel

The mechanical properties of grade 310 and grade 310S stainless steel are summarised in the following table.

Table 2. Mechanical properties of of grade 310/310S stainless steel

Mechanical Properties	310/ 310S
Grade 0.2 % Proof Stress MPa (min)	205
Tensile Strength MPa (min)	520
Elongation % (min)	40
Hardness (HV) (max)	225