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A227 Class 1

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America ASTM A227Class1 机械弹簧用冷拉钢丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A227Class1 / A227 Class 1
Category Grade Standard Region/Area Standard Content
Metals A227 Class 1 ASTM A227/A227M America 机械弹簧用冷拉钢丝

Chemical composition(mass fraction)(wt.%) of the A227 Class 1

Element Min Max Similar

Mechanical Properties of steel grade A227 Class 1

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)
623 (≥) 829 (≥) 44 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade A227 Class 1

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 - -     0.22 -  
796 373 - 14.3 222   -  
321 - 41 33.2   122 224

Heat Treatment of steel grade A227 Class 1

Heat treated : 1271°C - 1362°C

Technological Curves of steel grade A227 Class 1

Cross Reference Table (Equivalent Grade) of A227 Class 1

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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