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ISO 8a

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ISO X7CrS17 ISO X6CrMo17-1
#8a

Description

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

Datasheet for: Steel Grades:Special Alloy: ISO 8a
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO 8a ISO ISO ISO standard thermal deformation of stainless steel
ISO X2CrNiMoCuN22-6-3
ISO X2CrNi12
ISO X2CrTi12
ISO 1Ti
ISO X6CrNiTi12
ISO X6Cr13
ISO X6CrAl13
ISO X6Cr17
ISO 8
ISO X7CrS17

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
Max 0.090 Max 1.50 Max 1.50 Max 0.040 Min 0.15 16.0-18.0 Max 0.60

Mechanical Properties of steel grade ISO 8a

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)
494 (≥) 451 (≥) 44 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade ISO 8a

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 - -     0.13 -  
798 531 - 13.3 444   -  
862 - 32 42.2   144 211

Heat Treatment of steel grade ISO 8a

Heat treated : 1639°C - 1223°C

Technological Curves of steel grade ISO 8a

Cross Reference Table (Equivalent Grade) of ISO 8a

Grade Standard Country Application
YG8A China Hard alloy tungsten cobalt class
C-8A AISI USA Machining with carbide
у8A-1 ГОСТ Russia Carbide for cutting tools
у8A-1 ГОСТ Russia Carbide for cutting tools
у8A-2 Russia Carbide for cutting tools
у8A-2 Russia Carbide for cutting tools
у8A-3 ГОСТ Russia Carbide for cutting tools
у8A-3 ГОСТ Russia Carbide for cutting tools
Z4CMN18-08Az AFNOR France Stainless Steel Plate & Steel Strip
Z55CMN20-08Az AFNOR France Steel Exhaust Valves
ASTM CF8A AISI USA
ISO 8a ISO ISO ISO standard thermal deformation of stainless steel
65WSil8A STAS/SR Romania Alloy structural steel
ML08Al GBT China China structural steel and alloy steel
SWRCH8A CNS China China Taiwan Structural steel
SWRCH18A CNS China China Taiwan Structural steel
STKM18A CNS China China Taiwan Structural steel
CF8A ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CF8A ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
ISO X7CrS17 ISO X6CrMo17-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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