SS2205 Chrome Plated Stainless Steel Rod Piston

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Piston Rod Specification Ceramic, Nickel and Chrome Plated Piston Rods:
Material:	CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo, SS431, SS430, Stainless Steel 304/316/2205, etc.
Diameter:	Φ 6-500mm
Length:	max 13m
Chrome layer:	20 micron (min) to 100 micron
Hardness of the chrome layer:	850 HV (min) - 1150 HV
Roughness:	Ra <= 0.2u
Straightness:	<= 0.2/1000
Diameter tolerance:	ISO f7/h8/g6
Roundness:	Half of the tolerance ISO f7
Delivery condition:	Hard Chrome Piston Rod ( HRC 15-20)
	Quenched & Tempered (Q+T) Rod (HRC 28-32)
	Induction Hardened Rod (HRC 55-62)
	Q+T Induction Hardened Rod (HRC 60-65)
Corrosion resistance:	Test in natural salt spray according to ASTM B 117-96 hours.
Packing:	Anti-rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.

 

ISO f7
OD (mm)		Tolerance (mm)
<	<=	<=	<=
6	10	-0.013	-0.028
10	18	-0.016	-0.034
18	30	-0.020	-0.041
30	50	-0.025	-0.050
50	80	-0.030	-0.060
80	120	-0.036	-0.071

 

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
ST52	<=0.22	<=1.6	<=0.55	0.035	0.035
20MnV6	0.16-0.22	1.30-1.70	0.10-0.50	0.035	0.035	0.10-0.20
42CrMo4	0.38-0.45	0.60-0.90	0.15-0.40	0.03	0.03		0.90-1.20
4140	0.38-0.43	0.75-1.0	0.15-0.35	0.04	0.04		0.80-1.10
40Cr	0.37-0.45	0.50-0.80	0.17-0.37				0.80-1.10

 

MECHANICAL PROPERTIES
Material	T.S. Mpa	Y.S. Mpa	E%	Impact	Condition
	(min)
CK45	610	355	15	>39J	Hot Rolled
CK45	800	630	20	>41J	Q+T
ST52	630	520	14		Cold Drawn
20MnV6	750	590	12	>40J	Hot Rolled
42CrMo4	980	850	14	>47J	Q+T
4140	1080	930	12		Q+T
40Cr	1000	800	10		Q+T

Workshop & Equipment       Main Equipment:  Peeling Machine   ………………………………… 1 Set  Cold Drawing Machine… ………………………… 2 Sets  Straightening Machine     ………………………… 6 Sets  Heat Treatment Furnace     ……………………… 1 Set  Cutting Machine    ………………………………… 3 Sets  Centreless Grinding Machine     ………………… 6 Sets  Polishing Machine ………………………………… 6 Sets  CNC Machine    …………………………………… 5 Sets  Special Chrome Plating Mill Quality Control      Quality Testing Tools:  Micrometer ……………………….. (Check Size and Tolerance)  Roughness Tester  Chrome Layer Tester  Universal Testing Machine ……… (Check Mechanical Properties)  Spectrograph ……………………... (Check Chemical Composition)  Hardness Tester  Salt Spray Test Machine MTC & Certificate     Packaging & Shipping   Advantages Reliable Quality & Competitive Price! Place your trust in us! 1. Extensive production experience: start from 2005 in manufacturing honed tube, chrome plated rod and hydraulic cylinders. In Australia, Thailand, Brazil, India, Iran, Indonesia and South Africa we have long-term buyers. Most workers have 8-10 year experience, the oldest have 25 year experience.   2. Advanced production equipment: cold drawing machine (2 sets), honing machine (10 sets), skiving & roller burnishing machine (2 sets), straightening machine (6 sets) , polishing machine (6 sets) , heat treatment furnace (1 set), centerless grinding machine (6 sets), CNC Machine (5 sets) etc. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.   3. High quality raw material: we mainly choose raw material from big steel factory, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.   4. Quality Standard: Honed Tube, inside surface roughness 02-0.4 um, straightness max 0.5/1000, ID tolerance DIN2391 H8. Skived & Roller Burnished Tube, inside surface roughness under 0.2 um, straightness max 0.2/1000, ID tolerance DIN2391 H8. Chrome Plated Rod, chrome layer min 20 microns, OD tolerance ISO f7.   5. Delivery time fast: If one container 15-20days. We also stock some standard size tubes and rods, if you need 3-5 pcs, we can delivery soon.   6. Strict quality control: we have professional in-house QC person to inspect all products, and will do chemical composition test, mechanical property test, dimension inspect, roughness test, chrome layer test and other tests in need before delivery. QC department will provide test reports and MTC for each order, and all reports will be keep 3-5 years.   7. Safe packing: anti-rust oil be spread on tubes and rods before shipping, plastic caps on tube ends to protect inside surface, each rod be protected with cardboard tube. Finally be packed with seaworthy package or in wooden case.   8. Best after-sale service: each order from production to delivery will be follow up in time and keep customer updated.   9. Competitive price and reliable quality.   10. OEM service and third party certificate can be provided.   Company Information  Direct Line: 0086-510-66881071 Skype: ea.machinery WELCOME YOU VISIT OUR FACTORY! WELCOMR YOUR INQUIRY AND ORDER! THANK YOU FOR DOING BUSINESS WITH EAST AI MACHINERY!