Thermax 70

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#Thermax #70

Description

Thermax 70 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Thermax 70

Category	Type	Steel Grade
Steel Grades	High Alloy	Thermax 70
		Ta Z 8A
		Ta Z 8B
		Tenelon
		Thermax 12
		Thermax 17C
		Thermax 25
		Thermax 30
		Thermax 37
		Thermax 45
		Thermax 60

Chemical composition(mass fraction)(wt.%) of the Thermax 70

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.4-0.5	1.2	1.5			26-29	45-50
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade Thermax 70

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)
557 (≥)	287 (≥)	22	32	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	124

Physical Properties of steel grade Thermax 70

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
34	-	-			0.33	-
117	153	-	12.3	411		-
342	-	23	14.2			222	311

Heat Treatment of steel grade Thermax 70

Heat treated : 1193°C - 1317°C

Technological Curves of steel grade Thermax 70

No Curve

Cross Reference Table (Equivalent Grade) of Thermax 70

Grade	Standard	Country	Application
UNS G10170	UNS	USA	General use carbon steel bar
HAP 70	AISI	USA	Powder metallurgy high-speed tool steel
C70W1		Germany	Carbon tool steel
C70W2	DIN	Germany	Carbon tool steel
1.2703	DIN	Germany	Cold working alloy tool steel
1.2709	DIN	Germany	Cold working alloy tool steel
70Si7	DIN	Germany	Cold working alloy tool steel
SK70	JIS	Japan	Carbon tool steel
TC70	JIS	Japan	Carbon tool steel
SS14:1770	SS	Sweden	Carbide for cutting tools
SS14:1770	SS	Sweden	Carbide for cutting tools
SS14:—	SS	Sweden	Carbide for cutting tools
SS14:—	SS	Sweden	Carbide for cutting tools
SS14:2700	SS	Sweden	Carbide for cutting tools
SS14:2700	SS	Sweden	Carbide for cutting tools
S14:2705	SS	Sweden	Carbide for cutting tools
C70U			Carbide for cutting tools
C70U			Carbide for cutting tools
UNS S15700	UNS	USA	precipitation hardening
UNS S15700	UNS	USA	precipitation hardening

Available Suppliers

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Rfq.: sales@longhaisteel.com

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