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A707 Grade L8 Class 1

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America ASTM A707GradeL8Class1 低温设备用锻制碳素钢和合金钢法兰 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A707GradeL8Class1 / A707 Grade L8 Class 1
Category Grade Standard Region/Area Standard Content
Metals A707 Grade L8 Class 1 ASTM A707/A707M America 低温设备用锻制碳素钢和合金钢法兰

Chemical composition(mass fraction)(wt.%) of the A707 Grade L8 Class 1

Element Min Max Similar
C - 0.2200 -
Mn 0.1500 0.4500 -
P - 0.0250 -
S - 0.0250 -
Si - 0.3700 -
Ni 2.6800 3.9700 -
Cr 1.4400 2.0600 -
Mo 0.3500 0.6500 -
Cu - 0.4300 -
V - 0.0600 -
Cb - 0.0300 -
Other - - -
V - 0.0600 -
Si - 0.3700 -
S - 0.0250 -
P - 0.0250 -
Other - - -
Ni 2.6800 3.9700 -
Mo 0.3500 0.6500 -
Mn 0.1500 0.4500 -
Cu - 0.4300 -
Cr 1.4400 2.0600 -
Cb - 0.0300 -
C - 0.2200 -

Mechanical Properties of steel grade A707 Grade L8 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)
941 (≥) 129 (≥) 33 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade A707 Grade L8 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
43 - -     0.41 -  
781 491 - 23.3 244   -  
311 - 11 24.2   122 324

Heat Treatment of steel grade A707 Grade L8 Class 1

Heat treated : 1681°C - 1958°C

Technological Curves of steel grade A707 Grade L8 Class 1

Cross Reference Table (Equivalent Grade) of A707 Grade L8 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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