410S21 - Cast Iron and Cast Steel

410S21 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 1503 - Specification for steel forgings for pressure purposes
BS 1554 - Specification for stainless and heat-resisting steel round wire
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	0.09	0.15
Si	-	1.00
Mn	-	1.00
P	-	0.04
S	-	0.03
Cr	11.50	13.50
Mo	-	-
Ni	-	1.00

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)
714 (≥)	983 (≥)	44	44	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

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
352 (≥)	144 (≥)	24	33	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	313
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
614	852	387

1 410S21 2 410S21 3 410S21 690 4 410S21 720 5 410S21 750 6 410S21 760 7 410S21 770

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