Chrome plate rod bar

Material: CK45

Size range:

Outside diameter from 12 to 500 mm

Max length 16 meters

Chemical composition(%)

C	Mn	Si (Max)	S (Max.)	P (Max)
0.40-0.50	0.60-0.90	0.035	0.035	0.035

Mechanical properties:

UTS Min	Y.S. Min	E% Min	Charpy	Condtion
630 N/mm2	340 N/mm2	16		Normalised
600 N/mm2	400 N/mm2	16	41 J	Hardened and tempered

Supply condition:Chrome plated
Chrome thickness:20 TO 50 Micron
Surface roughness:Ra ≤0.4 Micron
Outer diameter tolerance: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 rod surface and each rod to be packed in paper roll and then in wooden box.

Standard

OD(mm)		TOLERANCE(mm)
<	<=	<=	<=
6	10	-0.013	-0.028
10	18	-0.016	-0.034
18	30	-0.020	-0.041
30	50	-0.025	-0.050
50	80	-0.030	-0.060
80	120	-0.036	-0.071

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