1.7220

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#1.7220

Description

1.7220 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.7220

Category	Type	Steel Grade
Steel Grades	Mould Steel	1.7220
		1.7140
		G20MnNi5
		1.7150
		GS-20MnNi5
		1.7150
		G25CrMo4
		1.7218
		GS-25CrMo4
		1.7218
		GS-34CrMo4

Chemical composition(mass fraction)(wt.%) of the 1.7220

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.30-0.37	0.60	0.50-0.80	0.035	0.015	0.80-1.20
Mo	Al	Cu	Nb	Ti	V	Ce
0.20-0.30
N	Co	Pb	B	Other

Mechanical Properties of steel grade 1.7220

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)
866 (≥)	143 (≥)	43	41	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade 1.7220

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
31	-	-			0.12	-
635	342	-	12.3	414		-
781	-	21	31.2			112	221

Heat Treatment of steel grade 1.7220

Heat treated : 1793°C - 1879°C

Technological Curves of steel grade 1.7220

No Curve

Cross Reference Table (Equivalent Grade) of 1.7220

Grade	Standard	Country	Application
1.7220	DIN	Germany

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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