Hard chrome plated steel bars with strong corrosion resistance - NIMAX 500 CB Series
Induction hardened and hard chrome plated steel bars with strong corrosion resistance - NIMAX 500 ICB Series

NIMAX 500 CB Series

Diameter (range for metric size): 20-200 mm

Diameter (range for imperial sizes): 3/4"-8"

Steel grades:

1. NIMAX 500 CB: C35 E; Ck45
2. NIMAX 500 CBV: 42CrMo4
3. NIMAX 500 CBM: 20MnV6 (*); 38MnVS6 - * Impact value: on request

Tolerance: ISO f7 (ISO h7 or other ISO level 7 - by request)

Roundness: maximum 1/2 IT measured as radial deviation

Standard length: 6000 ±200 mm

Special lengths: by request

Fixed or cut lengths can be supplied on request.

Surfaces roughness: Ra - max. 0,20 µm (normally in the range 0,10-0,15 μm)

Duble chrome thickness: min. 2x20 µm

Chrome micro hardness: min.900 HV0.1

Straightness: max 0.2 mm/m

NIMAX 500 ICB Series

Diameter (range for metric size): 20-160 mm

Diameter (range for imperial sizes): 3/4"-6"

Steel grades:

1. NIMAX 500 ICB: C35 E; Ck45
2. NIMAX 500 ICBV: 42CrMo4
3. NIMAX 500 ICBM: 20MnV6 (*); 38MnVS6 - * Impact value: on request

Tolerance: ISO f7 (ISO h7 or other ISO level 7 - by request)

Roundness: maximum 1/2 IT

Standard length: 6000 ±200 mm

Special lengths: by request

Fixed or cut lengths can be supplied on request.

Surfaces roughness: Ra - max. 0,20 µm (normally in the range 0,10-0,15 μm)

Hardening depth: 0.5-4.0 depending on diameter

Duble chrome thickness: min. 2x20 µm

Chrome micro hardness: min.900 HV0.1

Straightness: max 0.2 mm/m

From Ø 20 to 200 mm (Imperial range: 3/4"-8") - NIMAX 500 CB series.

From Ø 20 to 160 mm (Imperial range: 3/4"-6") - NIMAX 500 ICB series.

CHEMICAL COMPOSITION, % BY WEIGHT
STEEL GRADE	C	Si	Mn	P (max)	S	Cr	Ni (max)	Mo	V
	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)
C35E	0.32÷0.39	max 0.4	0.50÷0.80	0.035	0.02÷0.04	max 0.4	0.4	max 0.1	-
C45E	0.42÷0.50	max 0.4	0.50÷0.80	0.035	max 0.035	max 0.4	0.4	max 0.1	-
20MnV6	0.15÷0.23	0.10÷0.50	1.30÷1.75	0.035	max 0.035	-	-	-	0.1÷0.2
38MnVS6	0.34÷0.41	0.15÷0.80	1.20÷1.60	0.025	0.02-0.06	max 0.3	-	max 0.08	0.08÷0.2
42CrMo4	0.38÷0.45	max 0.4	0.60÷0.90	0.035	max 0.035	0.9÷1.2	-	0.15÷0.30	-

For Ck45 and C35E: Cr+Mo+N i≤ 0.63%.

MECHANICAL PROPERTIES
STEEL GRADE (STATE)	Range (Ø)	Tensile strenght Rm	Yield point Rp0.2	Elongation A5
	(mm)	- N/mm2 -	- N/mm2 -	- % min -
C35E (natural state)	Ø≤16	Min.550	min 300	18
	16<Ø≤100	Min.520	min 270	19
	100<Ø≤250	Min.500	min 245	19
Ck45 (natural state)	Ø≤16	Min.620	min 340	14
	16<Ø≤100	Min.580	min 305	16
	100<Ø≤250	Min.560	min 275	16
20MnV6 (natural state)	12<Ø≤25	Min.580	min. 450	18
	25<Ø≤80	Min.550	min. 430	18
	80<Ø≤160	Min.530	min. 390	18
38MnVS6	18≤Ø≤115	Min.800	min 520	12
42CrMo4 (in Q+T condition)	Ø≤16	Min.1100	min 900	10
	16<Ø≤40	Min.1000	min 750	11
	40<Ø≤100	Min. 900	min 650	12
	100<Ø≤160	Min. 800	min 550	13
	160<Ø≤250	Min. 750	min 500	14

Specifications for Heat treatment
Ø - mm	Hardening depth - mm
6-10	0.5 - 0.8
12-15	0.8 - 1.4
16 - 18	1.1 - 1.5
20 - 22	1.2 - 1.5
24	1.4 - 1.6
25	1.5 - 1.7
28	1.5 - 1.8
30 - 35	1.5 - 1.9
40 - 45	1.6 - 2.0
50 - 80	2.2 - 2.6
90 - 100	2.2 - 3.2
110 - 140	2.5 - 3.5
140 - 160	2.8 – 4.0

Hardening depth: 0.5-4.0 depending on diameter.

Surface hardness:

• Steel grade C35E: between 52 and 57 HRC
• Steel grade Ck45: between 55 and 60 HRC
• Steel grade 20MnV6: between 42 and 52 HRC
• Steel grade 38MnVS6: between 53 and 57 HRC
• Steel grade 42CrMo4V: between 56 and 61 HRC

Special hardening depth: by request

Steel grade	NIMAX Code (Chromed)	NIMAX Code (Induction hardened and chromed)
C35E, C45E	NIMAX 500 CB	NIMAX 500 ICB
20MnV6	NIMAX 500 CBM	NIMAX 500 ICBM
38MnVS6	NIMAX 500 CBM	NIMAX 500 ICBM
42CrMo4V	NIMAX 500 CBV	NIMAX 500 ICBV

According to ISO 9227:1990 for the AASS and NSS test and ISO 10289:1999 for the evaluation of the results.

Diameter (mm)	Rating 10		Min rating 9 (max 0.1% of surface corroded)
20 to 200	168 hours AASS	500 hours NSS	180 hours AASS	548 hours NSS

ISO 9227	ASTM	DIN 50021	Salt spray type
NSS	B 117	SS	Neutral
AASS	B 287	ESS	Acetic acid
CASS	B 368	CASS	Copper-accelerated acetic acid

EN 10267	Werkstoff No.	DIN	STAS 500	AFNOR A36101 A35501	B.S. 1449 4360	UNI 7070	JIS G3106	GOST 380 19281	AISI SAE ASTM
19MnVS6	1,5217	20MnV6	-	E420	55M	-	-	-	A572
38MnVS6	1.1303	38MnSiVS5	-	30MV6	-	-	-	-	1045V
EN 10083	Werkstoff No.	DIN 17200	STAS 880	AFNOR NFA33101 35551	B.S. 970 1449	UNI 7845 8373	JIS G4051	GOST 1050	AISI SAE ASTM
C45E	1,1191	Ck45	OLC45X	2C45, XC42H1 XC45, XC48H1	080M46 060A47	C43 C46	S45C S48C	45	1045
C35E	1,1181	Ck35	OLC45X	C35, 2C35 XC32, XC38H1	080A35 (080M36)	C35	S35C	35	1035
EN 10083	Werkstoff No.	DIN 17200	STAS 791 11500	AFNOR NFA35552 NFA35551	B.S. 970	UNI 7845 7847 7846	JIS G4051 G4052 G4104	GOST 4543	AISI SAE ASTM
42CrMo4	1,7225	42CrMo4	42MoCr11	42CD4 42CrMo4	708A42 708M40 709M40	42CrMo4	SCM440(H)	-	4140 4142

Packaging

NIMAX 500 bars can be supplied with two packaging options:

• For diameter between 20-200 mm in bundles with individually cardboard tubes with caracteristic red and white spiral stripes for chromed bars respectively cardboard tubes with blue and white stripes for induction hardened and chromed
• For diameter between 20-80 mm bundles with max 1000 kg weight and for diameter ≥ 80 mm bundles with maximum 1500 kg weight

Each bundle with weight ≤ 1200 kg being equipped with two thongs (four for more than 1200 kg).

On wooden euro-palets from smallest cut lenghts.

Marking

For each bar the cardboard tube will be marked with black colour: "NIMAX CODE / Diameter / Tolerance / Steel grade / Heat no. / Date".

On each bundle (or wooden palet) they will be applied minim one label for identification.

Steel grade	NIMAX Code (Chromed)	NIMAX Code (Induction hardened and chromed)
C45E, C45E	NIMAX 500 CB	NIMAX 500 ICB
20MnV6	NIMAX 500 CBM	NIMAX 500 ICBM
38MnVS6	NIMAX 500 CBM	NIMAX 500 ICBM
42CrMo4V	NIMAX 500 CBV	NIMAX 500 ICBV

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