Hard Chrome Plated Pipe Bar

Hard Chrome Plated Pipe Bar Introduction

Chrome plated Honed Tubes are presicion tubes with smooth inside and with chrome plated , they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose. IF you are looking for chrome plated tubes for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.

Hard Chrome Plated Pipe Bar technical parameters and Details

Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.

Chrome thickness: usually 15 to 20 microns.

Original: Jiangsu, China

Certification: ISO9001.

Material: SAE1020, 20#, ST45, CK45, ST52, E355

Payment term: TT, LC

Delivery date: usually 20 to 40 days.

Packing: packed in bundle, oiled inside, with caps on both ends.

Market: Middle East/ Africa/Asia/South America/Europe/North America

MOQ: Depends on exact size and material.

CK45 quenched and tempered hard chrome plated steel bar

For bar / rods:

1. CHEMICAL COMPOSITION

Material	C%	Mn%	Si%	S%	P%	V%	Cr%
CK45	0.42-0.50	0.50-0.80	≤0.04	≤0.035	0.035		≤ 0.25
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04
20MnV6	0.16-0.22	1.30-1.70	0.10-0.50	≤0.035	≤0.035	0.10-0.20	≤0.30
42CrMo4	0.38-0.45	0.60-0.90	0.15-0.40	≤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

2. 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