Bar 1500H Rating 10 NIKROM

Precision chrome-plated steel bar with tight tolerances, higher surface hardness and corrosion resistant for 1500 hours

Steels

For these bars, E470 type steel is mostly used

E470

Tube suitable in saline environments, used in hydraulic and pneumatic pistons, or for precision applications and high environmental resistance

Fundia* 280x (20MnV6 improved) / NIKROM trademark OVAKO

STEEL GRADES	C %	Si %	Mn %	P %	S %	V %	C.E % (*1)
E470*	0,18	0,35	1,55	< 0,020	0,025	0,11	0,55 max.
* C.E.: %C+%Mn/6+(%Cu+%Ni)/15+(%Cr+%Mo+%V)/5

Dimensions Ø mm	Re min. (N/mm2)	Rm (N/mm2)	A min.% A5'%(*2)	Hardeness HB	Resilience ºC Jules
>20 ≤90	520	650 to 800	19	200 to 240	-20ºC / 27 J min.
>90 ≤125	440	550 to 700	19	180 to 230	-20ºC / 27 J min.
>125	350	550 to 700	19	180 to 230	-20ºC / 27 J min.

(*2) A5': Is the distance in mm between two points recorded on the specimen before tensile test.

Thickness, hardness and roughness
Nickel coating	Chrome coating	Rugosity
Thickness ≥ 30 um	Thickness ≥ 20 um	Ra ≤0,2 um
Hardness ca(*3) 300 HV0.1	Hardness ≥ 850 HV0.1	Rt ≤1,6 um

(*3)ca: Close to

Tolerance from Ø	Straightness	Ovality
ISO f7	0,1 mm/m	50% of f7

	ISO-9227 NSS	ISO-9227 AASS
	ASTM B117	ASTM B287
	Neutral salt fog	Acetic acid salt fog
Rating duration according to ISO-10289	> 1500 hours 10 (without corrosion)	> 500 hours 10 (without corrosion)
Rectitude	Out.Diam. 16 mm to 160 mm 0,3 mm /1000 mm

Ø Outside	Kg/m	Ø Outside	Kg/m
20,0	2,47	50,0	15,41
22,0	2,98	55,0	18,61
25,0	3,85	60,0	22,20
28,0	4,83	63,0	24,47
30,0	5,55	70,0	30,21
32,0	6,31	75,0	34,68
35,0	7,55	80,0	39,46
38,0	8,90	90,0	49,94
40,0	9,86	95,0	55,64
42,0	10,88	100,0	61,65
45,0	12,48	110,0	74,60
48,0	14,21	120,0	88,78

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