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25CrMo4

Favorite Datasheet
27CrMoV5-7 30CrNiMo8
#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 GradesSpecialsteel 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
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
921 (≥) 225 (≥) 23 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

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
22 - -     0.21 -  
533 114 - 34.3 312   -  
745 - 11 13.2   241 411

Heat Treatment of steel grade 25CrMo4

Heat treated : 1744°C - 1514°C

Technological Curves of steel grade 25CrMo4

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
27CrMoV5-7 30CrNiMo8
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