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ASTM A638 Grade 660B 660D Alloy A286

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GH1040 GH1015
#660B #660D

Description

USA ASTM ASTM A638 Grade 660B 660D Alloy A286 A precipitation hardening stainless type steel suitable for applications at high temperature. and ASTM A638 Grade 660B 660D Alloy A286 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ASTM A638 Grade 660B 660D Alloy A286
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ASTM A638 Grade 660B 660D Alloy A286 ASTM USA A precipitation hardening stainless type steel suitable for applications at high temperature.
20VNiWMoCr120
40SiNiCr250
1.0605
Alloy 52
Alloy 713C
Alloy 713LC
GH1015
GH1016
GH1035
GH1040

Chemical composition(mass fraction)(wt.%) of the ASTM A638 Grade 660B 660D Alloy A286

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%) B(%) Al(%) Ti(%)
0.08 1.0 2.00 0.040 0.030 13.00-16.00 24.00-27.00 1.00-1.50 0.10-0.50 0.30 0.01 0.35 1.90-2.35

Mechanical Properties of steel grade ASTM A638 Grade 660B 660D Alloy A286

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)
282 (≥) 121 (≥) 31 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade ASTM A638 Grade 660B 660D Alloy A286

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
12 - -     0.21 -  
825 437 - 24.3 211   -  
574 - 33 24.2   244 212

Heat Treatment of steel grade ASTM A638 Grade 660B 660D Alloy A286

Heat treated : 1178°C - 1545°C

Technological Curves of steel grade ASTM A638 Grade 660B 660D Alloy A286

Cross Reference Table (Equivalent Grade) of ASTM A638 Grade 660B 660D Alloy A286

Grade Standard Country Application
ASTM A638 Grade 660B 660D Alloy A286 ASTM USA A precipitation hardening stainless type steel suitable for applications at high temperature.
GH1040 GH1015
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