P250GH 1.0460 - EN 10222-2-2017 - H2ABC

中文版

Grade	P250GH
European Standard Steel Grade	1.0460
Corresponding Standard	EN 10222-2-2017 Steel Forgings for Pressure Purposes. Part 2:Ferritic and Martensitic Steels with Specified Elevated Temperature Properties
Classification	Carbon Steel

P250GH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	More
Minimum Value	0.18	-	0.3	-	-	-	-	-	-	-	-	-	Cr+Cu+Mo+Ni≤0.70；碳当量≤0.43
Maximum Value	0.23	0.4	0.9	0.025	0.015	0.3	0.3	0.3	0.08	0.03	0.02	0.01	Cr+Cu+Mo+Ni≤0.70；碳当量≤0.43

P250GH Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤60	Austenitizing or Solution Annealing, 890~950℃, Air Cooling	410~540	≥250	I：≥25，tr/t：≥20	I：≥44，tr/t：≥31
60＜t≤105	Austenitizing or Solution Annealing, 890~950℃, Air Cooling	410~540	≥240	I：≥25，tr/t：≥20	I：≥44，tr/t：≥31
105＜t≤225	Austenitizing or Solution Annealing, 890~950℃, Air Cooling	410~540	≥230	I：≥25，tr/t：≥19	I：≥44，tr/t：≥31
225＜t≤375	Austenitizing or Solution Annealing, 890~950℃, Air Cooling	400~520	≥210	I：≥25，tr/t：≥19	I：≥40，tr/t：≥27
375＜t≤750	Austenitizing or Solution Annealing, 890~950℃, Air Cooling	400~520	≥200	I：≥25，tr/t：≥19	I：≥40，tr/t：≥27

P250GH Corresponding Standards(Same grade name, different standards)

1	EN 10273-2000
	P250GH 1.0460
2	EN 10222-2-2017
	P250GH 1.0460

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