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BL2

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China YB BL2 标准件用碳素钢热轧圆钢及盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BL2 / BL2
Category Grade Standard Region/Area Standard Content
Metals BL2 YB/T 4155 China 标准件用碳素钢热轧圆钢及盘条

Chemical composition(mass fraction)(wt.%) of the BL2

Element Min Max Similar
Cu - 0.2000 -
Cr - 0.2000 -
Ni - 0.2000 -
S - 0.0300 -
P - 0.0300 -
Mn 0.2500 0.5000 -
Si - 0.1000 -
C 0.0600 0.1200 -

Mechanical Properties of steel grade BL2

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)
897 (≥) 813 (≥) 21 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade BL2

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
34 - -     0.23 -  
192 382 - 34.3 442   -  
186 - 24 33.2   131 312

Heat Treatment of steel grade BL2

Heat treated : 1964°C - 1131°C

Technological Curves of steel grade BL2

Cross Reference Table (Equivalent Grade) of BL2

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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