CK45 42CrMo4 Hard Chromed Plated Piston shaft rod For Hydraulic Cylinder

CK45 42CrMo4 Hard Chromed Plated Piston shaft rod For Hydraulic Cylinder Featured Image

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Technical Specification

Diameters	6-300mm
Length	100mm-1200mm
Steel grade	DIN CK45JIS 45C ASTM 1045 SAE 1045 AISI 1045
Tolerance	ISO f7
Chrome thickness	20μm(min)
Hardness of the chrome layer	850HV(min)
Roughness	Ra 0.2μm(max)
Straightness	0.2/1000mm
Mechanical Properties(ck45)	Yield strength≥20Mpa Tensile strengh≥80 MpaElongation≥5%
Supply condition	1.Hard chrome plated
	2.Induction hardened
	3.Quenched & Tempered
	4.Induction hardened with Q&T

Chemical Composition

Material	C%	Mn%	Si%	S%	P%	V%	Cr%
Ck45	0.42-0.50	0.50-0.80	0.17-0.37	≤0.035	≤0.035		≤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
42CrMo4	0.38-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035	0.07-0.12	0.90-1.20
40Cr	0.37-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035		0.80-1.10

Mechancial Properties

Material	T.S N/MM2	Y.S N/MM2	E%(MIN)	CHARPY	CONDITION
CK45	610	355	15	>41J	NORMALIZE
CK45	800	630	20	>41J	Q + T
ST52	500	355	22		NORMALIZE
20MnV6	750	590	12	>40J	NORMALIZE
42CrMo4	980	850	14	>47J	Q + T
40Cr	1000	800	10		Q + T

Packaging

Anti-rust oil to each rod

Anti-rust oil to each rod

Paper sleeve to each rod

Or According To Customer's Requirements.

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Application

Mainly used for hydraulic cylinders, pneumatic cylinders, guide pillars

in the following equipments:

Construction Machinery, Manipulators,Mining Machinery, Texitile Machniery, Printing Machinery.

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