1.2004

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#1.2004

Description

1.2004 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.2004

Category	Type	Steel Grade
Steel Grades	Tool Steel	1.2004
		C55W
		1.1820
		C85W
		1.1830
		C85U
		125Cr2
		125Cr1
		1.2002
		1.2003
		75Cr1

Chemical composition(mass fraction)(wt.%) of the 1.2004

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.80-0.90	0.30-0.50	0.50-0.70	0.035	0.035	0.30-0.45

Mechanical Properties of steel grade 1.2004

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)
939 (≥)	666 (≥)	43	13	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade 1.2004

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
44	-	-			0.14	-
659	831	-	22.3	314		-
152	-	33	12.2			423	122

Heat Treatment of steel grade 1.2004

Heat treated : 1968°C - 1892°C

Technological Curves of steel grade 1.2004

No Curve

Cross Reference Table (Equivalent Grade) of 1.2004

Grade	Standard	Country	Application
1.2004	DIN	Germany	Cold working alloy tool steel

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Rfq.: sales@longhaisteel.com

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