Thermax 657

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#Thermax #657

Description

Thermax 657 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Thermax 657

Category	Type	Steel Grade
Steel Grades	High Alloy	Thermax 657
		Thermax 104
		Thermax 115
		Thermax 500
		Thermax 519
		Thermax 530
		Thermax 531
		Thermax 532
		Thermax 533
		Thermax 638
		Thermax 639

Chemical composition(mass fraction)(wt.%) of the Thermax 657

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.1	0.3				48-52	...
Mo	Al	Cu	Nb	Ti	V	Fe
						≤1
N	Co	Pb	B	Other
0.16				Nb/Ta 1.4-1.7 (C+N) ≤0.2

Mechanical Properties of steel grade Thermax 657

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)
791 (≥)	653 (≥)	24	44	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	412

Physical Properties of steel grade Thermax 657

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
32	-	-			0.21	-
382	517	-	43.3	431		-
781	-	34	32.2			413	121

Heat Treatment of steel grade Thermax 657

Heat treated : 1192°C - 1697°C

Technological Curves of steel grade Thermax 657

No Curve

Cross Reference Table (Equivalent Grade) of Thermax 657

Grade	Standard	Country	Application
1.6570	DIN	Germany

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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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy