Q400m

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China YB Q400m 叉车用热轧门架型钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q400m / Q400m

Category	Grade	Standard	Region/Area	Standard Content
Metals	Q400m	YB/T 4237	China	叉车用热轧门架型钢

Chemical composition(mass fraction)(wt.%) of the Q400m

Element	Min	Max	Similar
Ceq	-	0.5400	-
V	0.0400	0.1200	-
P	-	0.0450	-
S	-	0.0450	-
Si	-	0.8000	-
Mn	1.2000	1.6000	-
C	-	0.2500	-

Mechanical Properties of steel grade Q400m

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)
757 (≥)	315 (≥)	21	12	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	443

Physical Properties of steel grade Q400m

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	-	-			0.21	-
675	596	-	14.3	324		-
822	-	23	44.2			322	213

Heat Treatment of steel grade Q400m

Heat treated : 1297°C - 1193°C

Technological Curves of steel grade Q400m

No Curve

Cross Reference Table (Equivalent Grade) of Q400m

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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Rfq.: sales@longhaisteel.com

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