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A453 Grade 661

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America ASTM A453Grade661 膨胀系数与奥氏体不锈钢相匹配的高温螺栓材料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A453Grade661 / A453 Grade 661
Category Grade Standard Region/Area Standard Content
Metals A453 Grade 661 ASTM A453/A453M America 膨胀系数与奥氏体不锈钢相匹配的高温螺栓材料

Chemical composition(mass fraction)(wt.%) of the A453 Grade 661

Element Min Max Similar
W 1.0000 1.7500 -
Cu - 0.5000 -
Ti 0.1000 0.3500 -
Nb 0.2500 0.6000 -
Mo 1.0000 1.7500 -
Ni 8.0000 11.0000 -
Cr 18.0000 21.0000 -
P - 0.0400 -
S - 0.0300 -
Mn 0.7500 1.5000 -
Si 0.3000 0.8000 -
C 0.2800 0.3500 -

Mechanical Properties of steel grade A453 Grade 661

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)
642 (≥) 276 (≥) 44 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade A453 Grade 661

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
41 - -     0.14 -  
456 281 - 44.3 433   -  
515 - 11 43.2   133 311

Heat Treatment of steel grade A453 Grade 661

Heat treated : 1718°C - 1579°C

Technological Curves of steel grade A453 Grade 661

Cross Reference Table (Equivalent Grade) of A453 Grade 661

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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