P 355 QH

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Germany DIN P355QH Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P355QH / P 355 QH

Category	Grade	Standard	Region/Area	Standard Content
Metals	P 355 QH	DIN EN 10273	Germany	Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties

Chemical composition(mass fraction)(wt.%) of the P 355 QH

Element	Min	Max	Similar
Zr	-	0.0500	-
V	-	0.0600	-
Ti	-	0.0300	-
Ni	-	0.5000	-
Nb	-	0.0500	-
Cu	-	0.3000	-
Mo	-	0.2500	-
Cr	-	0.3000	-
B	-	0.0050	-
N	-	0.0150	-
S	-	0.0100	-
P	-	0.0250	-
Mn	-	1.5000	-
Si	-	0.4000	-
C	-	0.1600	-
V	-	0.0600	-
Ti	-	0.0300	-
Si	-	0.4000	-
S	-	0.0150	-
P	-	0.0250	-
Ni	-	0.5000	-
Nb	-	0.0500	-
N	-	0.0150	-
Mo	-	0.2500	-
Mn	-	1.5000	-
Cu	-	0.3000	-
Cr	-	0.3000	-
C	-	0.1600	-
B	-	0.0050	-
Zr	-	0.0500	-
V	-	0.0600	-
Ti	-	0.0300	-
Si	-	0.4000	-
S	-	0.0150	-
P	-	0.0250	-
Ni	-	0.5000	-
Nb	-	0.0500	-
N	-	0.0150	-
Mo	-	0.2500	-
Mn	-	1.5000	-
Cu	-	0.3000	-
Cr	-	0.3000	-
C	-	0.1600	-
B	-	0.0050	-
Al	-	-	-

Mechanical Properties of steel grade P 355 QH

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)
453 (≥)	763 (≥)	13	23	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	241

Physical Properties of steel grade P 355 QH

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	-	-			0.34	-
575	384	-	22.3	214		-
665	-	42	44.2			314	114

Heat Treatment of steel grade P 355 QH

Heat treated : 1424°C - 1356°C

Technological Curves of steel grade P 355 QH

No Curve

Cross Reference Table (Equivalent Grade) of P 355 QH

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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