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40Cr Hard Chrome Rod Hydraulic Cylinder Honed Tube CK45 ST52 For Machine Cylinder

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40Cr Hard Chrome Rod Hydraulic Cylinder Honed Tube CK45 ST52 For Machine Cylinder

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Brand Name :	Torich
Model Number :	CK45 ST52 20MNV6 42CRMO4 40CR
Certification :	ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 ABS DNV
Price :	USD2000-2100 per ton
Payment Terms :	L/C, T/T, D/P, T/T, Western Union, MoneyGram
Supply Ability :	35 tons
Delivery Time :	30-45 days

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40Cr Hard Chrome Rod Hydraulic Cylinder Honed Tube CK45 ST52 For Machine Cylinder

40Cr Hard Chrome Rod CK45 Hydraulic Cylinders for ST52 Honing Machine Cylinder

1. Quick details:

SUPPLY CONDITION	Ground and chrome plated
CHROME THICKNESS	20 to 30 micron
SURFACE ROUGHNESS	Ra≤0.2 micron and Rt≤2 micro
TOLERANCE ON DIA	ISO f7 on the diameter
OVALITY	Half of the tolerance ISO f7
STRAGHNESS	≤0.2MM/M
SURFACE HARDNEDD	850-1150 HV(vickers 100g)
COHESION	No craks,breaking or detaching after thermic shock(warming up at 3200 celsius degrees and cooling in water)
POROSITY	Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
CORROSION RESISTANCE	Test in natural salt spray according to ASTM B117-120hours
Results evaluation	accordin to ISO4540 RATING7-10
WELDABILITY	Good
PACKING	Anti rust oil to be applied on material and each rod to be packed in paper sleeve
CERTIFICATE	All certificate related with material heat treatment and plating is required

2.Product Details:

(1)Material: CK45;ST52;20MnV6;42CrMo4;40Cr
(2)Production:Seamless

(3)Chemical components:

CHEMICAL COMPOSITION(%)

Steel Grade	C%	Mn%	Si%	S%	P%	V%	Ni%	Cr%	Mo%	Cu%
CK45	0.42-0.50	0.50-0.80	0.17-0.37	≤0.035	≤0.035	/	≤0.25	≤0.25	/	≤0.25
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04	0.02-0.15	/	/	/	/
20MnV6	0.17-0.24	1.30-1.70	0.10-0.50	≤0.035	≤0.035	0.10-0.20	≤0.30	≤0.30	/	≤0.30
42CrMo4	0.38-0.45	0.5-0.8	0.17-0.37	≤0.035	≤0.035	0.07-0.12	≤0.03	0.90-1.20	0.15-0.25	≤0.03
40Cr	0.37-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035	/	≤0.30	0.80-1.1	/	≤0.03

MECHANICAL PROPERTIES

Material	Tensile Strength Rm (Mpa)	Yield Strength Rel (Mpa)	Elogation A%	CHARPY	CONDITION
CK45	610	355	15	>41J	Normalized
CK45	800	540	20	>41J	Q+T
ST52	500	355	22		Normalized
20MnV6	750	590	12	>41J	Normalized
42CrMo4	980	850	14	>47J	Q+T
40Cr	1000	800	10		Q+T

3.Product show:
40Cr Hard Chrome Rod Hydraulic Cylinder Honed Tube CK45 ST52 For Machine Cylinder

4.QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking

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