1.2678

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#1.2678

Description

1.2678 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.2678

Category	Type	Steel Grade
Steel Grades	Tool Steel	1.2678
		X30WCrV9-3
		1.2581
		1.2603
		45CrVMoW5-8
		1.2606
		X37CrMoW5-1
		1.2622
		X60WCrMoV9-4
		1.2662
		X30WCrCoV9-3

Chemical composition(mass fraction)(wt.%) of the 1.2678

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.40-0.50	0.30-0.50	0.30-0.50	0.25	0.25	4.00-5.00		0.40-0.60	V 1.80-2.10 W 4.00-5.00 Co 4.00-5.00

Mechanical Properties of steel grade 1.2678

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)
641 (≥)	691 (≥)	14	42	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade 1.2678

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
43	-	-			0.13	-
792	164	-	34.3	423		-
339	-	31	44.2			323	213

Heat Treatment of steel grade 1.2678

Heat treated : 1522°C - 1746°C

Technological Curves of steel grade 1.2678

No Curve

Cross Reference Table (Equivalent Grade) of 1.2678

Grade	Standard	Country	Application
1.2678	DIN	Germany	Hot 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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