Q345C

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China 舞钢Q/WTB Q345C 以Ti代Mn生产工艺方案 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q345C / Q345C

Category	Grade	Standard	Region/Area	Standard Content
Metals	Q345C	WKZ 577	China	以Ti代Mn生产工艺方案

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

Element	Min	Max	Similar
Cr+Cu+Mo+Ni	-	0.7500	-
V	-	0.1500	-
Ti	-	0.2000	-
Ni	-	0.5000	-
Nb	-	0.0750	-
Mo	-	0.1000	-
Cu	-	0.3000	-
Cr	-	0.3000	-
N	-	0.0120	-
Al	-	0.0180	-
S	-	0.0350	-
P	-	0.0350	-
Mn	-	1.7600	-
Si	-	0.5500	-
C	-	0.2200	-
N	-	0.0120	-
Cu	-	0.3000	-
Al	0.0200	-	-
Ti	-	0.2000	-
V	-	0.1500	-
Nb	-	0.0700	-
Ni	-	0.5000	-
Mo	-	0.1000	-
Cr	-	0.3000	-
S	-	0.0300	-
P	-	0.0300	-
Mn	-	1.7000	-
Si	-	0.5000	-
C	-	0.1800	-
Al	0.0200	-	-
Ti	-	0.2000	-
S	-	0.0350	-
P	-	0.0350	-
Mn	-	1.7000	-
Si	-	0.5000	-
C	-	0.2000	-

Mechanical Properties of steel grade Q345C

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
385 (≥)	389 (≥)	32	23	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	243

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
44	-	-			0.23	-
923	924	-	11.3	433		-
666	-	42	23.2			434	213

Heat Treatment of steel grade Q345C

Heat treated : 1561°C - 1683°C

Technological Curves of steel grade Q345C

No Curve

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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