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P250GH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P250GH

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EN P250GH

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This page is mainly introduced the P250GH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P250GH,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
P250GH

Steel Garde:P250GH
Type:Stainless Steels
Country:European
Standard:EN
Standard Number:

ITEM Standard Number Descriptions

1 EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties
Metallographic Structure:Martensite
Application:Non-alloy quality steel

ITEM	Standard Number	Descriptions
1	EN 10273: 2007	Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
1.0460	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.18	0.23
Si		0.4
Mn	0.3	0.9
Ni		0.3
P		0.025
S		0.015
Cr		0.3
Ti		0.03
N	0.03	0.07
Nb		0.010
Al	0.0015	0.05
V		0.02
other		Cr+Cu+Mo+Ni < 0.7

Mechanical Properties

Tensile strength	796～706	σb/MPa
Yield Strength	780	σ 0.2 ≥/MPa
Elongation	73	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	766～127	-
HRC	30	-

Physical Properties

Thermal expansion	23-54	e-6/K
Thermal conductivity	24-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2861-3705	째C
Density	5408-8940	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
P250GH Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk