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A649 Class 1B Grade 1

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America ASTM A649Class1BGrade1 波纹纸机械用锻制钢辊规格 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A649Class1BGrade1 / A649 Class 1B Grade 1
Category Grade Standard Region/Area Standard Content
Metals A649 Class 1B Grade 1 ASTM A649/A649M America 波纹纸机械用锻制钢辊规格

Chemical composition(mass fraction)(wt.%) of the A649 Class 1B Grade 1

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0250 -
P - 0.0250 -
Ni 1.5500 2.0000 -
Mo 0.2000 0.4500 -
Mn 0.6000 0.9500 -
Cr 0.6500 0.9500 -
C 0.4000 0.6000 -

Mechanical Properties of steel grade A649 Class 1B Grade 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)
174 (≥) 859 (≥) 41 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade A649 Class 1B Grade 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
32 - -     0.12 -  
828 377 - 21.3 412   -  
138 - 44 31.2   444 214

Heat Treatment of steel grade A649 Class 1B Grade 1

Heat treated : 1688°C - 1726°C

Technological Curves of steel grade A649 Class 1B Grade 1

Cross Reference Table (Equivalent Grade) of A649 Class 1B Grade 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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