Q355NH

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China YB Q355NH 结构用耐候焊接钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q355NH / Q355NH

Category	Grade	Standard	Region/Area	Standard Content
Metals	Q355NH	YB/T 4112	China	结构用耐候焊接钢管

Chemical composition(mass fraction)(wt.%) of the Q355NH

Element	Min	Max	Similar
Zr	-	0.1500	-
Mo	-	0.3000	-
Ni	-	0.6500	-
Cr	0.4000	0.8000	-
Cu	0.2500	0.5500	-
S	-	0.0300	-
P	-	0.0300	-
Mn	0.5000	1.5000	-
Si	-	0.5000	-
C	-	0.1600	-
Ni	-	0.6500	-
Cr	0.4000	0.8000	-
Cu	0.2500	0.5500	-
S	-	0.0300	-
P	-	0.0300	-
Mn	0.5000	1.5000	-
Si	-	0.5000	-
C	-	0.1600	-
Ni	-	0.6500	-
Cr	0.4000	0.8000	-
Cu	0.2500	0.5500	-
S	-	0.0300	-
P	-	0.0300	-
Mn	0.5000	1.5000	-
Si	-	0.5000	-
C	-	0.1600	-
Ni	-	0.6500	-
Cr	0.4000	0.8000	-
Cu	0.2500	0.5500	-
S	-	0.0300	-
P	-	0.0300	-
Mn	0.5000	1.5000	-
Si	-	0.5000	-
C	-	0.1600	-

Mechanical Properties of steel grade Q355NH

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)
738 (≥)	433 (≥)	32	41	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	241

Physical Properties of steel grade Q355NH

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
11	-	-			0.23	-
116	283	-	12.3	343		-
452	-	14	31.2			132	341

Heat Treatment of steel grade Q355NH

Heat treated : 1571°C - 1712°C

Technological Curves of steel grade Q355NH

No Curve

Cross Reference Table (Equivalent Grade) of Q355NH

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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