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A229 Class 2

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America ASTM A229Class2 机械弹簧用油回火的钢丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A229Class2 / A229 Class 2
Category Grade Standard Region/Area Standard Content
Metals A229 Class 2 ASTM A229/A229M America 机械弹簧用油回火的钢丝

Chemical composition(mass fraction)(wt.%) of the A229 Class 2

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0500 -
P - 0.0400 -
Mn 0.3000 1.2000 -
C 0.5500 0.8500 -

Mechanical Properties of steel grade A229 Class 2

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)
132 (≥) 832 (≥) 23 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade A229 Class 2

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
22 - -     0.33 -  
358 924 - 21.3 221   -  
993 - 33 14.2   222 122

Heat Treatment of steel grade A229 Class 2

Heat treated : 1832°C - 1214°C

Technological Curves of steel grade A229 Class 2

Cross Reference Table (Equivalent Grade) of A229 Class 2

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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