OD mm |
Longest Length |
Tolerance |
Straight |
Chrome thickness |
Roundness |
Degree of finish |
6-10 |
2 m |
f7,h8 |
0.2mm/1000mm |
0.01-0.015mm |
0.01mm |
Ra.0.2 |
11-16 |
3m |
f7,h8 |
0.2mm/1000mm |
0.01-0.018mm5 |
0.01mm |
Ra.0.2 |
18-40 |
4m |
k6,f7,h8 |
0.15mm/1000mm |
0.01-0.035mm |
0.01mm |
Ra.0.2 |
41-70 |
4-6m |
k6,f7,h8 |
0.1mm/1000mm |
0.01-0.035mm |
0.01mm |
Ra.0.2 |
70-160 |
4-6m |
k6,f7,h8 |
0.1mm/1000mm |
From0.01mm |
0.01mm |
Ra.0.2-0.4 |
160-200 |
4-6m |
k6,f7,h8 |
0.1mm/1000mm |
From0.01mm |
0.01mm |
Ra.0.1, 0.2-0.4 |
Material: CK45 (SAE1045, S45C), 42CrMo (SAE4140), 20MnV6，stainless steel
Chrome layer surface hardness750-1150HV (Vickers 100g)
Hardness of the CK45 bar after induction hardened is HRC 56-62.
CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-96 hours
Results evaluation according to ISO 4540 RATING 8-9.
MATERIAL: CK45
CHEMICAL COMPOSITION (%
C |
Mn |
Si |
S |
P |
0.42-0.50 |
0.50-0.80 |
0.37 |
0.035 |
0.035 |
MECHANICAL PROPERTIES
UTS Min |
Y.S. Min |
E % Min |
CHARPY impact test |
CONDITION |
630 N/mm2 |
340 N/mm2 |
16 |
|
NORMALISED |
600 N/mm2 |
380 N/mm2 |
17 |
41J |
HARDENED AND TEMPERED |
Related Specifications (Base Metal)
Australia |
AS 1443 - 1994 1045 |
Germany |
W.Nr 1.0503 C45 |
Great Britain |
BS970 - Part 3 - 1991 080A47 |
Japan |
JIS G 4051 S45C |
USA |
AISI C1045 |