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B30MnB

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China 宝钢Q/BQB B30MnB 轧制方坯 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B30MnB / B30MnB
Category Grade Standard Region/Area Standard Content
Metals B30MnB Q/BQB 110 China 轧制方坯

Chemical composition(mass fraction)(wt.%) of the B30MnB

Element Min Max Similar
B 0.0010 0.0050 -
Cu - 0.2000 -
S - 0.0250 -
P - 0.0250 -
Mn 0.7000 1.0000 -
Si 0.2000 0.5000 -
C 0.2700 0.3500 -
Cu - 0.2000 -
B 0.0010 0.0050 -
P - 0.0300 -
Mn 0.7000 1.0000 -
Si 0.2000 0.5000 -
C 0.2700 0.3500 -
Cu - 0.2000 -
B 0.0010 0.0050 -
P - 0.0300 -
S - 0.0300 -
Mn 0.7000 1.0000 -
Si 0.2000 0.5000 -
C 0.2700 0.3500 -

Mechanical Properties of steel grade B30MnB

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)
189 (≥) 981 (≥) 24 22 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade B30MnB

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
13 - -     0.44 -  
982 621 - 13.3 342   -  
367 - 21 33.2   343 213

Heat Treatment of steel grade B30MnB

Heat treated : 1349°C - 1915°C

Technological Curves of steel grade B30MnB

Cross Reference Table (Equivalent Grade) of B30MnB

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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