1.2721

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#1.2721

Description

1.2721 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.2721

Category	Type	Steel Grade
Steel Grades	Tool Steel	1.2721
		1.2709
		X3NiCoMoTi18-9-5
		1.2710
		45NiCr6
		54NiCrMoV6
		1.2711
		1.2713
		55NiCrMoV6
		55NiCr10
		1.2718

Chemical composition(mass fraction)(wt.%) of the 1.2721

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.45-0.55	0.15-0.35	0.40-0.60	0.035	0.035	0.90-1.20	3.00-3.50

Mechanical Properties of steel grade 1.2721

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)
122 (≥)	772 (≥)	43	13	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade 1.2721

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
12	-	-			0.21	-
369	384	-	42.3	221		-
864	-	23	12.2			441	211

Heat Treatment of steel grade 1.2721

Heat treated : 1526°C - 1316°C

Technological Curves of steel grade 1.2721

No Curve

Cross Reference Table (Equivalent Grade) of 1.2721

Grade	Standard	Country	Application
1.2721	DIN	Germany	Cold working alloy tool steel

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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