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Q235 Grade CRB550

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China GB Q235GradeCRB550 冷轧带肋钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q235GradeCRB550 / Q235 Grade CRB550
Category Grade Standard Region/Area Standard Content
Metals Q235 Grade CRB550 GB 13788 China 冷轧带肋钢筋

Chemical composition(mass fraction)(wt.%) of the Q235 Grade CRB550

Element Min Max Similar
C 0.1400 0.2200 -
Si - 0.3000 -
Mn 0.3000 0.6500 -
S - 0.0450 -
P - 0.0450 -
Si - 0.3000 -
S - 0.0500 -
P - 0.0450 -
Mn 0.3000 0.6500 -
C 0.1400 0.2200 -

Mechanical Properties of steel grade Q235 Grade CRB550

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)
842 (≥) 182 (≥) 22 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade Q235 Grade CRB550

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
23 - -     0.41 -  
358 726 - 11.3 332   -  
184 - 34 32.2   441 134

Heat Treatment of steel grade Q235 Grade CRB550

Heat treated : 1427°C - 1369°C

Technological Curves of steel grade Q235 Grade CRB550

Cross Reference Table (Equivalent Grade) of Q235 Grade CRB550

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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