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A621 HRFS Type B

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America ASTM A621HRFSTypeB 深冲性冷轧碳素钢薄板和带材规格 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A621HRFSTypeB / A621 HRFS Type B
Category Grade Standard Region/Area Standard Content
Metals A621 HRFS Type B ASTM A621/A621M America 深冲性冷轧碳素钢薄板和带材规格

Chemical composition(mass fraction)(wt.%) of the A621 HRFS Type B

Element Min Max Similar
V - 0.0080 -
Ti - 0.0080 -
S - 0.0300 -
P - 0.0200 -
Ni - 0.2000 -
Nb - 0.0080 -
Mo - 0.0600 -
Mn - 0.5000 -
Cu - 0.2000 -
Cr+Ni+Cu+Mo - 0.5000 -
Cr - 0.1500 -
C 0.0200 0.1000 -

Mechanical Properties of steel grade A621 HRFS Type B

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)
433 (≥) 737 (≥) 21 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade A621 HRFS Type B

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 - -     0.22 -  
958 422 - 42.3 424   -  
541 - 13 22.2   332 223

Heat Treatment of steel grade A621 HRFS Type B

Heat treated : 1928°C - 1699°C

Technological Curves of steel grade A621 HRFS Type B

Cross Reference Table (Equivalent Grade) of A621 HRFS Type B

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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