Chinese
Available 24/7 at sales@steel-grades.com
SGSG
Post Your Request Now
Toggle menu

S7

Favorite Datasheet
T41906 T41907
#S7

Description

USA ASTM S7 Alloy tool steel and S7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: S7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy S7 ASTM USA Alloy tool steel
ASTM A182 F55
T41901
S2
T41902
S4
T41904
S5
T41905
S6
T41906

Chemical composition(mass fraction)(wt.%) of the S7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.45～0.55 0.20～1.00 0.20～0.90 ≤0.030 ≤0.030 3.00～3.50 1.30～1.80 ≤0.35

Mechanical Properties of steel grade S7

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
518 (≥) 622 (≥) 11 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade S7

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
33 - -     0.23 -  
299 595 - 21.3 332   -  
279 - 42 21.2   234 142

Heat Treatment of steel grade S7

Heat treated : 1656°C - 1718°C

Technological Curves of steel grade S7

Cross Reference Table (Equivalent Grade) of S7

Grade Standard Country Application
S7 ASTM USA Alloy tool steel
S7-4-2-5 DIN Germany High-speed tool steel
SKS7 JIS Japan Alloy tool steel - Tool steel
SKS7M JIS Japan Cold rolled special steel strip
HS7-6-3-12 AFNOR France Carbide for cutting tools
HS7-6-3-12 AFNOR France Carbide for cutting tools
STS7 KS Korea Carbide for cutting tools
STS7 KS Korea Carbide for cutting tools
S700MC UNE Spain Spain structural steel
S700MC UNE Spain Spain structural steel
EN FeS7B1FN EN Euronorm Euronorm Structural steel
EN S700MC EN Euronorm Euronorm Structural steel
EN 1CS75 EN Euronorm Euronorm Structural steel
EN 2CS75 EN Euronorm Euronorm Structural steel
T41906 T41907
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this S7?
  • List your company on S&G now? Join
  • Non-paying users only
Top