S2 - Tool Steels & Die Steels and Cemented Carbide

S2 Tool Die Steels

S2 - Specification & Application

Shock-Resisting Tool Steel

Chemical composition(wt.%) of S2 grade:

Elements	Min.（≥）	Max.（≤）
C	0.40	0.55
Si	0.90	1.20
Mn	0.30	0.50
P	-	0.030
S	-	0.030
Cr	-	-
Mo	0.30	0.60
V	-	0.50
W	-	-
Ni＋Cu	-	0.75

S2 - Detail

Shock-Resisting Tool Steel

Mechanical properties of grade S2

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)
765 (≥)	172 (≥)	24	24	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical properties of grade S2

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
135 (≥)	169 (≥)	33	31	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	311
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
445	856	994

Equivalent Grade

1 S2 2 M3 Class2 3 S2-10-1-8 4 S2-9-2-8 5 S2-9-1 6 S2-9-2 7 SKS2 8 SKS21 9 SKS2M 10 BS2 11 S20100 12 S20153 13 S20161 14 S20200 15 S20300 16 S20400 17 S20501 18 S20910 19 XM-31 20 S21400

Equivalent Products

1 X165CrMoV12 Cold working die steel

Product shapes we supply:

We can customize the production of S2 grade, contact us for the best solution.
–sales@specificsteel.com