1.5714, 16NiCr4, 637M17 - Introduction and Application
1.5714, 16NiCr4, 637M17 EN 10084: 2008 Case hardening carburizing steel application on parts requiring high core strength, structures subject to abrasion and variable loads, typically used for small parts such as heavy-duty sprockets, screws, pins, shafts, spigots, machine parts, cars and motors.
Melted process
EF+LF+VD
1.5714, 16NiCr4, 637M17 - Chemical composition WT %
Grade
Chemical composition WT %
C
Mn
Si
P
S
Cr
Mo
Ni
Cu
1.5714, 16NiCr4
0.13 - 0.19
0.70 - 1.00
max 0.40
max 0.025
max 0.035
0.60 - 1.00
0.80 - 1.10
1.5715, 16NiCrS4
0.13 - 0.19
0.7 - 1.0
max 0.4
max 0.025
0.02 - 0.04
0.6 - 1.0
0.8 - 1.1
637H17, 637M17
0.14 - 0.20
0.60 - 0.90
0.10 - 0.35
max 0.035
max 0.04
0.60 - 1.00
0.85 - 1.25
18ChGN1, 18KhGN1, 18ХГН1
0.16 - 0.21
0.60 - 0.90
max 0.40
max 0.025
max 0.035
0.90 - 1.20
1.20 - 1.50
19ChGN, 19KhGN, 19ХГН
0.16 - 0.21
0.70 - 1.00
0.17 - 0.37
max 0.035
max 0.035
0.80 - 1.10
max 0.1
0.80 - 1.10
max 0.3
Mechanical Property of 1.5714, 16NiCr4, 637M17
Mechanical properties for conditions
+A: max 217 HBW
+TH: 166 - 217 HBW
+FP: 156 - 207 HBW
+S: max 255 HBW
+A Soft annealed
+TH Treated to hardness range
+FP Treated to ferrite-pearlite structure and hardness range