R 39

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#R #39

Description

R 39 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: R 39

Category	Type	Steel Grade
Steel Grades	High Alloy	R 39
		Pyromet CTX-1
		Pyromet CTX-3
		Pyromet CTX-909
		Pyromet X-15
		Pyromet X-23
		Pyrotool V
		Pyrowear 53
		Pyrowear 675
		R-20
		R 35

Chemical composition(mass fraction)(wt.%) of the R 39

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.04	0.6	0.8			20	25
Mo	Al	Cu	Nb	Ti	V	Ce
		0.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade R 39

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)
564 (≥)	634 (≥)	34	21	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade R 39

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
33	-	-			0.23	-
572	342	-	14.3	242		-
192	-	33	41.2			414	413

Heat Treatment of steel grade R 39

Heat treated : 1158°C - 1554°C

Technological Curves of steel grade R 39

No Curve

Cross Reference Table (Equivalent Grade) of R 39

Grade	Country	Application
4CrW2Si	China	Alloy tool steel - Impact resistance tool steel
9SiCr	China	Alloy tool steel - Measuring tool steel cutting tools
Cr06	China	Alloy tool steel - Measuring tool steel cutting tools
Cr2	China	Alloy tool steel - Measuring tool steel cutting tools
9Cr2	China	Alloy tool steel - Measuring tool steel cutting tools
5CrW2Si	China	Alloy tool steel - Impact resistance tool steel
6CrW2Si	China	Alloy tool steel - Impact resistance tool steel
6CrMnSi2Mo1V	China	Alloy tool steel - Impact resistance tool steel
5Cr3Mn1SiMo1V	China	Alloy tool steel - Impact resistance tool steel
Cr12	China	Alloy tool steel - cold work steels
Cr12Mo1V1	China	Alloy tool steel - cold work steels
Cr12MoV	China	Alloy tool steel - cold work steels
Cr5Mo1V	China	Alloy tool steel - cold work steels
CrWMn	China	Alloy tool steel - cold work steels
Cr4W2MoV	China	Alloy tool steel - cold work steels
7CrSiMnMoV	China	Alloy tool steel - cold work steels
6Cr4W3Mo2VNb	China	Alloy tool steel - cold work steels
6W6Mo5Cr4V	China	Alloy tool steel - Impact resistance tool steel
5CrMnMo	China	Alloy tool steel - hot-work die steel
5CrNiMo	China	Alloy tool steel - hot-work die 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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