Product Description
L'acier alli WNr 1.7016 (communment dsign sous la norme europenne 17Cr3) est un acier de cmentation faible teneur en carbone contenant du chrome comme principal lment d'alliage. Les barres rondes (Round Bars) et tiges (Rods) issues de cette nuance sont optimises pour les composants mcaniques devant subir un durcissement superficiel par traitement thermique tout en conservant une excellente ductilit au cur.
quivalences Standard de la Nuance 1.7016
-
Numro de matriau (WNr) : 1.7016
-
Dsignation EN / DIN : 17Cr3 ou 17CrS3 (avec contrle du soufre pour l'usinabilit)
-
tats-Unis (SAE / AISI) : AISI 5117 / AISI 4615 (proprits trs proches)
Composition Chimique Principale (Poids %)
-
Carbone (C) : 0,14 0,20 % (Assure une bonne soudabilit et une rsilience leve au cur)
-
Chrome (Cr) : 0,70 1,00 % (Amliore la trempabilit et la rsistance l'abrasion)
-
Manganse (Mn) : 0,60 0,90 %
-
Silicium (Si) : Max 0,40 %
Caractristiques Techniques & Applications
-
Traitement de Surface (Cmentation) : Aprs cmentation et trempe, la duret de surface peut atteindre 60 64 HRC, ce qui rend le matriau hautement rsistant l'usure.
-
Proprits Mcaniques : Sa rsistance la traction l'tat brut ou recuit oscille entre 450 et 1390 MPa selon l'intensit des traitements thermiques appliqus.
-
Applications types : Principalement utilis pour la fabrication de pices mcaniques soumises de faibles ou moyennes contraintes de torsion mais ncessitant une haute rsistance la friction, telles que les arbres de transmission, broches, pistons, engrenages lgers et biellettes.
Options d'Approvisionnement Commerciales
Si vous cherchez commander des barres rondes de grade 1.7016 ou des nuances industrielles de substitution, voici les formats de fabrication standard :
-
Barres Rondes de Prcision : Idales pour l'usinage direct sur machines CNC en raison de leur tat de surface calibr, comme la Barre ronde en acier alli WNr 1.7016 - Finition brillante (Bright Finish) disponible en longueurs standard de 6 mtres.
-
Barres Lourdes Recuites (Hot Rolled) : Recommandes pour les processus de forgeage ou de dcoupe lourde industrielle, l'image de la Barre ronde lamine chaud de 20 mm d'paisseur.
-
Barres de Construction Standards (6 Mtres) : Pour les structures et composants gnraux d'atelier mtallurgique, la Barre d'acier alli 1.7016 de longueur 3 6 mtres offre une polyvalence dimensionnelle courante allant de 30mm 400mm de diamtre.
Superior Case Hardening CapabilitiesThe 1.7016 Alloy Steel Bar is expertly designed for case hardening, allowing for surface hardness with a strong, tough core. With a customizable case depth of 0.5mm to 2.5mm, these bars and rods are ideal for components that require resistance to surface wear-such as automotive gears, shafts, and machine parts-contributing to longer service life and increased reliability.
Versatile Processing & CustomizationAvailable in a range of processing options including forged, rolled, and annealed states, 1.7016 bars can be supplied to exacting diameter, length, finish, and tolerance requirements (h9, h11, or as specified). We cater to dealers, fabricators, manufacturers, and more throughout the production and supply chain across India, ensuring flexibility for numerous engineering needs.
FAQ's of WNr 1.7016 Alloy Steel Bar 1.7016 Round Bars 1.7016 Rods:
Q: How can WNr 1.7016 Alloy Steel Bars be heat treated for optimal performance?
A: These alloy steel bars can undergo carburizing, hardening, and tempering processes to achieve desired hardness and mechanical properties. Following heat treatment, typical tensile strength ranges from 850 to 1100 MPa.
Q: What applications are most suitable for 1.7016 round bars and rods?
A: 1.7016 rods are highly recommended for general engineering, machine parts, automotive component manufacturing, and especially for wear-resistant items like gears and shafts that require robust case-hardening.
Q: When should I choose annealed versus hardened and tempered delivery conditions?
A: Opt for the annealed condition if you require good machinability for further processing. Select hardened and tempered states when higher strength or wear resistance is needed for immediate use or final assembly.
Q: Where are these alloy bars supplied and in what forms?
A: We supply across India to dealers, exporters, producers, fabricators, and other trade channels in shapes such as round bars and rods, with diameters from 10mm to 200mm, and custom-cut lengths on demand.
Q: What is the typical process for customizing 1.7016 steel rods?
A: Customization involves selecting the required diameter, length, finish (black, peeled, or bright), and processing method (rolled, forged, or annealed), as well as specifying the necessary tolerance according to application needs.
Q: What benefits does WNr 1.7016 offer for wear-resistant components?
A: Thanks to effective case hardening, this alloy steel provides a durable, hard exterior for superior wear resistance while maintaining a tough, shock-absorbing core, significantly prolonging the life of critical machine parts.