20crmovtib4-10 _ 1
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20CrMoVTiB4-10 _ 1TRANSCRIPT
5/20/2015 20CrMoVTiB410 / 1.7729 Alloy special steel equivalent, chemical composition, properties
http://www.steelnumber.com/en/steel_composition_eu.php?name_id=675 1/2
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20CrMoVTiB410 ( 1.7729 )
Grade : 20CrMoVTiB410
Number: 1.7729
Classification: Alloy special steel
Standard: EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperatureproperties
Equivalent grades: No information
Chemical composition % of grade 20CrMoVTiB410 (1.7729): EN 102691999C Si Mn Ni P S Cr Mo V Ti Al Cu As B Sn
0.17 0.23
max 0.4
0.35 0.75
max 0.2
max 0.02
max 0.02
0.9 1.2
0.9 1.1
0.6 0.8
0.07 0.15
0.015 0.08
max 0.2
max 0.02
0.001 0.01
max 0.02
Mechanical properties of grade 20CrMoVTiB410 (1.7729)
Rm Tensile strength (MPa) (+QT) 8201000
Rp0.2 0.2% proof strength (MPa) (+QT) 660
KV Impact energy (J) (+QT) +20°2740
5/20/2015 20CrMoVTiB410 / 1.7729 Alloy special steel equivalent, chemical composition, properties
http://www.steelnumber.com/en/steel_composition_eu.php?name_id=675 2/2
A Min. elongation at fracture (%) (+QT) 15
Z Reduction in cross section on fracture (%) (+QT) 50
Mechanical propertieseH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale
m Tensile strength / Zugfestigkeit / Resistance a la traction
Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimalJ Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc
Heat treatment conditions
+A Soft annealed+AC Annealed to achieve spheroidization of the carbides+AR As rolled+AT Solution annealed+C Cold drawn / hard+CR Cold rolled+FP Treated to ferritepearlite structure and hardness range+I Isothermal annealing+LC Cold drawn / soft+M Thermo mechanical rolling+N Normalized+NT Normalized and tempered
+P Precipitation hardened+PE Peeled+QA Air quenched and tempered
+QL Liquid quenched andtempered
+QT Quenched and tempered+S Treated to improve shearability+SH As rolled and turned+SR Cold drawn and stress relieved+T Tempered+TH Treated to hardness range+WWWarm worked+U Untreated
Alloy special steel 20CrMoVTiB410 (1.7729)Chemical composition , Equivalent grades , Standards, Properties , Hardness , Strength , Elongation
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