25CrMo4

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#25CrMo4

Description

France AFNOR NF EN 2205, NF EN 2206, NF EN 2209, NF EN 2542, NF EN 2543, NF EN 10083-1, NF EN 10083-3, NF EN 10132-3, NF EN 10216-2, NF EN 10250-3, NF EN 10263-4, NF EN 10269, NF EN 10297-1, NF EN 10305-1, NF EN 10343, 25CrMo4 Specialsteel Steels for quenching and tempering for construction purposes - Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 25CrMo4

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	25CrMo4	AFNOR	France	Steels for quenching and tempering for construction purposes - Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 25CrMo4

C	Si	Mn	P	S	Cr	Ni	Mo
0.22 -0.29	≤0.40	0.60 -0.90	≤0.035	≤0.035	0.90 -1.20	≤ ≥	0.15 -0.30

Mechanical Properties of steel grade 25CrMo4

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)
159 (≥)	722 (≥)	32	34	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	212

Physical Properties of steel grade 25CrMo4

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	-	-			0.42	-
577	236	-	11.3	414		-
565	-	33	12.2			343	133

Heat Treatment of steel grade 25CrMo4

Heat treated : 1881°C - 1986°C

Technological Curves of steel grade 25CrMo4

No Curve

Cross Reference Table (Equivalent Grade) of 25CrMo4

Grade	Standard	Country	Application
25CrMo4
25CrMo4
G25CrMo4
GS-25CrMo4
25CrMo4
25CrMo4
GS-25CrMo4
GS-25CrMo4

Relevant standard of 25CrMo4

NF EN 2205	Steel FE-PL1502 (25CrMo4) - 900 MPa <= Rm <= 1 100 MPa - Bars - De <= 40 mm	NF-EN-2205.pdf
NF EN 2206	Steel FE-PL1502 (25CrMo4) - 650 MPa <= Rm <= 850 MPa - Bars - De <= 150 mm	NF-EN-2206.pdf
NF EN 2209	Steel FE-PL1502 (25CrMo4) - 900 MPa <= Rm <= 1 100 MPa - Sheets, strips and plates - 0,5 mm <= a <= 20 mm	NF-EN-2209.pdf
NF EN 2542	Steel FE-PL1502 (25CrMo4) - Annealed - Bar and wire - De <= 40 mm - For prevailing torque nuts	NF-EN-2542.pdf
NF EN 2543	Steel FE-PL1502 (25CrMo4) - Annealed - Sheet and strip - 0,3 mm <= a <= 2 mm - For prevailing torque nuts	NF-EN-2543.pdf
NF EN 10083-1	Steels for quenching and tempering - Part 1: General technical delivery conditions	NF-EN-10083-1.pdf
NF EN 10083-3	Steels for quenching and tempering - Part 3: Technical delivery conditions for alloy steels	NF-EN-10083-3.pdf
NF EN 10132-3	Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 3: Steels for quenching and tempering	NF-EN-10132-3.pdf
NF EN 10216-2	Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties	NF-EN-10216-2.pdf
NF EN 10250-3	Open die steel forgings for general engineering purposes - Part 3: Alloy special steels	NF-EN-10250-3.pdf
NF EN 10263-4	Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering	NF-EN-10263-4.pdf
NF EN 10269	Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties	NF-EN-10269.pdf
NF EN 10297-1	Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes	NF-EN-10297-1.pdf
NF EN 10305-1	Steel tubes for precision applications - Technical delivery conditions - Part 1: Seamless cold drawn tubes	NF-EN-10305-1.pdf
NF EN 10343	Steels for quenching and tempering for construction purposes - Technical delivery conditions	NF-EN-10343.pdf

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