320S31 - Cast Iron and Cast Steel

320S31 Stainless Steels to BS 1449-2

BS 1449-2 - Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip
BS 1501-3 - Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip
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

Elements	Min.（≥）	Max.（≤）
C	-	0.08
Si	-	1.00
Mn	-	2.00
P	-	0.045
S	-	0.03
Cr	16.50	18.50
Mo	2.00	2.50
Ni	11.00	14.00
Ti	5×C	0.80

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

Proof strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
981 (≥)	375 (≥)	41	24	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	324

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
694 (≥)	935 (≥)	21	11	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	411
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
319	188	649

1 320S31 2 320S31 3 320S33 4 320S31

We can customize the production of 320S31 grade, contact us for the best solution.
–sales@specificsteel.com