Size range: Outside diameter from 12 to 500 mm Max length 20 meters
CHEMICAL COMPOSITION (%) CK45 Grade
C
Mn
Si
(Max)
S
P
0.40-0.50
0.60-0.90
0.035
0.035
0.035
MECHANICAL PROPERTIES
UTS Min
Y.S. Min
E % Min
CHARPY
CONDITION
600 N/mm2
340 N/mm2
16
NORMALISED
630 N/mm2
400 N/mm2
16
41J
HARDENED AND TEMPERED
Supply condition: Chrome plated
Chrome thickness: 20 TO 50 Micron
Surface roughness: Ra ≤0.4 Micron
Tolerance on diameter: ISO f7
Ovality: Half of the tolerance ISO f7
Straightness: ≤0.2mm/m
Corrosion resistance: Test in natural salt spray according to ASTM B 117-36 hours.
Packing: Anti rust oil to be spread on material and each rod to be packed in paper box or wooden box. For any further more information, welcome contact with catherin@jwgroup.cc We are ready to help you !
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