310S31

310S31 Stainless Steels to BS 1503

310S31 - Specification & Application

• BS 1503 - Specification for steel forgings for pressure purposes
• BS 6258 - Specification for hollow steel bars for machining
• BS 970-1 - Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels
• BS 970-3 - Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Chemical composition(wt.%) of 310S31 grade: to BS 1503

310S31 - Detail

Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Mechanical properties of grade 310S31 BS 1503

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
843 (≥)	383 (≥)	43	33	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	443

Physical properties of grade 310S31 BS 1503

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
826 (≥)	652 (≥)	14	34	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	434
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
711	763	637