P250GH Forging Flanges European Standard EN1092-1.

 

The material of P250GH is a ferritic steel& martinsitic iron steel with specified high temperature properties.

P250GH forging shall be accordance with EN10222-2 standard.

1. Chemical Composition For P250GH Forging.

Element	Standard
C	0.18-0.23
Si	≤0.40
Mn	0.30-0.90
P	≤0.025
S	≤0.015
Cr	≤0.30
Cu	≤0.30
Mo	≤0.08
Nb	≤0.01
Ni	≤0.30
Ti	≤0.03
V	≤0.02
Others	Cr+Cu+Mo+Ni ≤ 0,70
Carbon equivalent value	≤0.43

 

2. P250GH Foring Mechanical Properties.

Thickness of the ruling section mm	Yield strength MPa min.	Tensile strength MPa	Elongation after fracture A%c min.		Impact energy KV2 J min.
			l	tr/t	l	tr/t
tR ≤ 60	250	410 to 540	25	20	44	31d
60 < tR ≤ 105	240
105 < tR ≤ 225	230			19
225 < tR ≤ 375	210	400 to 520			40	27d
375 < tR ≤ 750	200

 

3. P250GH Forging Flanges Application.

Pipline connect, valves connect for oil and gas, Chemical industry, Pharmacentical factory, Sewage treatment etc.

More information, please contact with me. 

Email: yilia@flange-valve-fittings.com

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