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ISO 8b

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ISO X3CrTi17 ISO X6CrMoNb17-1
#8b

Description

ISO ISO ISO 8b ISO standard thermal deformation of stainless steel and ISO 8b Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO 8b
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO 8b ISO ISO ISO standard thermal deformation of stainless steel
ISO X6CrNiTi12
ISO X6Cr13
ISO X6CrAl13
ISO X6Cr17
ISO 8
ISO X7CrS17
ISO 8a
ISO X6CrMo17-1
ISO 9c
ISO X3CrTi17

Chemical composition(mass fraction)(wt.%) of the ISO 8b

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ti(%)
Max 0.050 Max 1.00 Max 1.00 Max 0.040 Max 0.030 16.0-19.0 4x(C+N)％+0.20≤0.75

Mechanical Properties of steel grade ISO 8b

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)
964 (≥) 916 (≥) 43 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade ISO 8b

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
42 - -     0.43 -  
932 679 - 22.3 413   -  
669 - 21 11.2   411 114

Heat Treatment of steel grade ISO 8b

Heat treated : 1422°C - 1664°C

Technological Curves of steel grade ISO 8b

Cross Reference Table (Equivalent Grade) of ISO 8b

Grade Standard Country Application
12X8BΦ ГОСТ Russia Martensite Heat-Resistant Steel
ISO 8b ISO ISO ISO standard thermal deformation of stainless steel
OLC38B STAS/SR Romania Alloy structural steel
ML28B GBT China China structural steel and alloy steel
STKM18B CNS China China Taiwan Structural steel
XH28BMAБ ГОСТ Russia Russia COST standard deformation of high temperature alloy
XH38BT ГОСТ Russia Russia COST standard deformation of high temperature alloy
XH58B ГОСТ Russia Russia COST standard deformation of high temperature alloy
K418B GBT China conventional cast superalloy
K18B GBT China conventional cast superalloy
ISO X3CrTi17 ISO X6CrMoNb17-1
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