18NiCrMo5 Steel

Steel name: 18NiCrMo5
Table No.: 2082
AISI/SAE designation: 4317
EN designation: 17NiCrMo6-4
UNI designation: 18NiCrMo5
AFNOR designation: 18NCD6
BS designation: 815M17
GOST designation: 19HNM
Chemical composition in weight %: 0.15-0.21% C, 0.15-0.40% Si, 0.60-0.90% Mn, max. 0.035% P, max. 0.035% S, 0.70-1.00% Cr, 0.15-0.25% Mo, 1.20-1.50% Ni
Steel group: Case hardening steels
Applications: No data
Comment: Ac1=730 C, Ac3=815 C, Mf=140 C, Ms (core)=360 C, Ms (carburizing surface)=180 C.
Reference: Not shown in this demo version.

Heat Treatment
Core hardening: 840-870 C/oil, polymer
Carburizing: 880-930 C
Tempering: 150-180 C
Hardenability test
Quenching: 850 C/water

Table Tempering Temperature - Hardness - Mechanical Properties

Price: 20.00 US $
Buy Online Tempering Diagram

Other steel data links
Carbides in Steel
CCT & TTT diagrams of Steels
Etchants Database
Hardenability Diagrams of Steels
Macro Defects in Steel
Non-Metallic Inclusions in Steel

Disclaimer: The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

Copyright © 2017 by Steel Data. All Rights Reserved.