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Q345C

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China 舞钢Q/WTB Q345C 供太钢4#高炉大修工程热风炉炉壳用Q345C(Z15)钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q345C / Q345C
Category Grade Standard Region/Area Standard Content
Metals Q345C WJX 041 China 供太钢4#高炉大修工程热风炉炉壳用Q345C(Z15)钢板技术条件

Chemical composition(mass fraction)(wt.%) of the Q345C

Element Min Max Similar
Al 0.0150 - -
Mo - 0.1000 -
N - 0.0120 -
Cu - 0.3000 -
V - 0.1500 -
Ni - 0.5000 -
Cr - 0.3000 -
Ti - 0.2000 -
Nb - 0.0700 -
S - 0.0300 -
P - 0.0300 -
Mn - 1.7000 -
Si - 0.5000 -
V - 0.2000 -

Mechanical Properties of steel grade Q345C

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)
195 (≥) 974 (≥) 11 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade Q345C

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
21 - -     0.23 -  
374 832 - 33.3 234   -  
679 - 24 41.2   114 331

Heat Treatment of steel grade Q345C

Heat treated : 1174°C - 1968°C

Technological Curves of steel grade Q345C

Cross Reference Table (Equivalent Grade) of Q345C

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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Jiangyou Longhai Special Steel Co.,Ltd.

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