S6

S6 Tool Die Steels

S6 - Specification & Application

Shock-Resisting Tool Steel

Chemical composition(wt.%) of S6 grade:

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.40 0.50
Si 2.00 2.50
Mn 1.20 1.50
P - 0.030
S - 0.030
Cr 1.20 1.50
Mo 0.30 0.50
V 0.20 0.40
W - -
Ni＋Cu - 0.75

S6 - Detail

Shock-Resisting Tool Steel

Mechanical properties of grade S6

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)
619 (≥) 527 (≥) 14 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade S6

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
485 (≥) 287 (≥) 31 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
268 568 141

Equivalent Grade

1 S6 2 S6-5-2-5 3 S6-5-2-5S 4 S6-5-2S 5 S6-5-2(2) 6 S6-5-2 7 S6-5-3 8 HS6-5-4-2 9 HS6-5-4-2 10 HS6-5-2 11 S63198 12 S66220 13 A 959 S66286 14 S66286 15 S63198 16 HNVl 17 S64005 18 HNV2 19 S64006 20 HNV3

Equivalent Products

1 S66286 round bar 2 SS 422 / UNS S42200 / 616 Stock 3 Z12CNDV12-03/KT5312AS6 Forged Bar

Product shapes we supply:

We can customize the production of S6 grade, contact us for the best solution.
–sales@specificsteel.com