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A266 Grade 4

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America ASTM A266Grade4 压力容器部件用碳素钢锻件规格 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A266Grade4 / A266 Grade 4
Category Grade Standard Region/Area Standard Content
Metals A266 Grade 4 ASTM A266/A266M America 压力容器部件用碳素钢锻件规格

Chemical composition(mass fraction)(wt.%) of the A266 Grade 4

Element Min Max Similar

Mechanical Properties of steel grade A266 Grade 4

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)
531 (≥) 767 (≥) 23 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade A266 Grade 4

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 - -     0.42 -  
267 968 - 32.3 432   -  
843 - 31 41.2   132 424

Heat Treatment of steel grade A266 Grade 4

Heat treated : 1376°C - 1269°C

Technological Curves of steel grade A266 Grade 4

Cross Reference Table (Equivalent Grade) of A266 Grade 4

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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