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ISO 7

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ISO X12CrS13 ISO X20Cr13
#7

Description

ISO ISO ISO 7 ISO standard thermal deformation of stainless steel and ISO 7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO 7
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO 7 ISO ISO ISO standard thermal deformation of stainless steel
ISO X6CrMo17-1
ISO 9c
ISO X3CrTi17
ISO 8b
ISO X6CrMoNb17-1
ISO X2CrMoTi18-2
ISO X3CrNiMo13-4
ISO X12Cr13
ISO 3
ISO X12CrS13

Chemical composition(mass fraction)(wt.%) of the ISO 7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.08-0.15 Max 1.00 Max 1.50 Max 0.040 Max 0.030 12.0-14.0 Max 0.06

Mechanical Properties of steel grade ISO 7

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)
442 (≥) 649 (≥) 21 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade ISO 7

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
44 - -     0.31 -  
382 277 - 14.3 242   -  
879 - 13 12.2   233 143

Heat Treatment of steel grade ISO 7

Heat treated : 1694°C - 1753°C

Technological Curves of steel grade ISO 7

Cross Reference Table (Equivalent Grade) of ISO 7

Grade Standard Country Application
Q275 China Engineering and welding
UNS G10170 UNS USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
T7 China Carbon tool steel
7CrSiMnMoV China Alloy tool steel - cold work steels
6Cr4W3Mo2VNb China Alloy tool steel - cold work steels
7Mn15Cr2A13V2WMo China Alloy tool steel - Without magnetic steel mold
SM3Cr17Mo China Plastic mould with flat steel
W7Mo4Cr4V2Co5 China High-speed tool steel
UNS T72301 UNS USA Carbon tool steel
W2-A ASTM USA Carbon tool steel
UNS T72302 UNS USA Carbon tool steel
T72305 UNS USA Carbon tool steel
A7 ASTM USA Alloy tool steel
T30107 UNS USA Alloy tool steel
D7 ASTM USA Alloy tool steel
T30407 UNS USA Alloy tool steel
O7 ASTM USA Alloy tool steel
T31507 UNS USA Alloy tool steel
ASTM A182 F55 ASTM USA Super Duplex
ISO X12CrS13 ISO X20Cr13
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