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ISO H12

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ISO X7CrNiNb18 10 ISO X15CrNiSi20 12
#H12

Description

ISO ISO ISO H12 ISO standard Austenite size heat resistant steel and ISO H12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO H12
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO H12 ISO ISO ISO standard Austenite size heat resistant steel
ISO H5
ISO X10CrAlSi25
ISO H6
ISO X15CrN26
ISO H7
ISO X7CrNi18 9
ISO H10
ISO X7CrNiTi18 10
ISO H11
ISO X7CrNiNb18 10

Chemical composition(mass fraction)(wt.%) of the ISO H12

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Nb(%)
Max 0.10 Max 1.0 Max 1.00 Max 0.045 Max 0.030 17.0-19.0 9.0-12.0 10x％C≤1.2

Mechanical Properties of steel grade ISO H12

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)
851 (≥) 786 (≥) 22 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade ISO H12

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
13 - -     0.22 -  
112 131 - 22.3 441   -  
573 - 41 12.2   433 244

Heat Treatment of steel grade ISO H12

Heat treated : 1122°C - 1382°C

Technological Curves of steel grade ISO H12

Cross Reference Table (Equivalent Grade) of ISO H12

Grade Standard Country Application
H12 ASTM USA Alloy tool steel
BH12 UK Carbide for cutting tools
BH12 UK Carbide for cutting tools
15X18H12C4TЮ Austenitic - Martensitic steel
03X18H12 ГОСТ Russia Austenitic
03X18H12T ГОСТ Russia Austenitic
12X18H12T ГОСТ Russia Austenitic
08X18H12Б ГОСТ Russia Austenitic
ISO H12 ISO ISO ISO standard Austenite size heat resistant steel
SWRCH12R CNS China China Taiwan Structural steel
SWRCH12A CNS China China Taiwan Structural steel
SWRCH12K CNS China China Taiwan Structural steel
EN FeH12FU EN Euronorm Euronorm Structural steel
GH128 GBT China wrought Fe/Ni-base superalloy
HGH128 GBT China Super alloy welding wire
ISO X7CrNiNb18 10 ISO X15CrNiSi20 12
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Jiangyou Longhai Special Steel Co.,Ltd.

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