G21Mn5

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#G21Mn5

Description

G21Mn5 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: G21Mn5

Category	Type	Steel Grade
Steel Grades	Mould Steel	G21Mn5
		GS-CK45
		1.1191
		G24Mn4
		1.1136
		GS-24Mn4
		1.1136
		G23Mn6
		1.1119
		GS-23Mn6
		1.1119

Chemical composition(mass fraction)(wt.%) of the G21Mn5

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.23	0.60	1.10-1.30	0.020	0.015	≤0.30
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade G21Mn5

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)
225 (≥)	662 (≥)	44	22	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	323

Physical Properties of steel grade G21Mn5

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
41	-	-			0.11	-
374	452	-	12.3	333		-
281	-	24	42.2			242	443

Heat Treatment of steel grade G21Mn5

Heat treated : 1534°C - 1514°C

Technological Curves of steel grade G21Mn5

No Curve

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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