1.4988

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#1.4988

Description

1.4988 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 1.4988

Category	Type	Steel Grade
Steel Grades	High Alloy	1.4988
		2.4976
		1.4977
		1.4978
		1.4944
		1.4980
		1.4984
		1.4981
		2.4982
		2.4983
		1.4986

Chemical composition(mass fraction)(wt.%) of the 1.4988

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.04-0.10	0.30-0.60	1.50	0.035	0.015	15.5-17.5	12.5-14.5	1.10-1.50	Nb /Ta ≥10*C+0.4≤1.20 V 0.60-0.85 N=0.10

Mechanical Properties of steel grade 1.4988

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)
588 (≥)	278 (≥)	33	22	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade 1.4988

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
23	-	-			0.41	-
417	582	-	32.3	144		-
897	-	44	32.2			133	214

Heat Treatment of steel grade 1.4988

Heat treated : 1411°C - 1699°C

Technological Curves of steel grade 1.4988

No Curve

Cross Reference Table (Equivalent Grade) of 1.4988

Grade	Standard	Country	Application
1.4988	DIN	Germany	The high-temperature and high-strength 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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