M261

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#M261

Description

M261 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: M261

Category	Type	Steel Grade
Steel Grades	Mould Steel	M261
		ASTM O2
		ASTM P20
		DC53
		4ХВ2С
		5ХВ2С
		6ХВ2С
		6ХВГ
		11Р3АМ3Ф2
		Р2АМ9К5
		SS14:2312

Chemical composition(mass fraction)(wt.%) of the M261

Physical Properties	Metric	English	Comments
Density	7.82g/cc	0.283 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	30.0	30.0	Solution Annealed
	38.0 - 42.0	38.0 - 42.0	Stock Standard
	<= 44.0	<= 44.0	After Aging
Modulus of Elasticity	210GPa	30500 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	11.3 µm/m-°C @Temperature 100 °C	6.28 µin/in-°F @Temperature 212 °F
	12.2 µm/m-°C @Temperature 200 °C	6.78 µin/in-°F @Temperature 392 °F
	12.8 µm/m-°C @Temperature 300 °C	7.11 µin/in-°F @Temperature 572 °F
	13.2 µm/m-°C @Temperature 400 °C	7.33 µin/in-°F @Temperature 752 °F
	13.5 µm/m-°C @Temperature 500 °C	7.50 µin/in-°F @Temperature 932 °F
Thermal Conductivity	25.0 W/m-K @Temperature 20.0 °C	174 BTU-in/hr-ft²-°F @Temperature 68.0 °F
	26.4 W/m-K @Temperature 100 °C	183 BTU-in/hr-ft²-°F @Temperature 212 °F
	29.5 W/m-K @Temperature 200 °C	205 BTU-in/hr-ft²-°F @Temperature 392 °F
	31.5 W/m-K @Temperature 300 °C	219 BTU-in/hr-ft²-°F @Temperature 572 °F
	32.3 W/m-K @Temperature 400 °C	224 BTU-in/hr-ft²-°F @Temperature 752 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	1.20 %	1.20 %
Carbon, C	0.130 %	0.130 %
Chromium, Cr	0.350 %	0.350 %
Copper, Cu	1.20 %	1.20 %
Iron, Fe	91.32 %	91.32 %	As Balance
Manganese, Mn	2.00 %	2.00 %
Nickel, Ni	3.50 %	3.50 %
Silicon, Si	0.300 %	0.300 %

Mechanical Properties of steel grade M261

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)
758 (≥)	159 (≥)	13	21	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade M261

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
21	-	-			0.34	-
849	665	-	42.3	333		-
829	-	42	11.2			242	421

Heat Treatment of steel grade M261

Heat treated : 1618°C - 1357°C

Technological Curves of steel grade M261

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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