Specifications

1.Technical Specification: suitable for SK+RB/Honed or Skived and hydraulic cylinder tube
2.Grade:20#

Dimensions:

Material	OD	ID	Tolerance
			OD	ID	Wall thickness deviation	0vality	Curvature
20#	40-74	30-65	±.01	-0.3,-0.5	≤0.5	≤0.1	0.3
	74-98	65-85	±.01	-0.4,-0.6	≤0.5	≤0.15	0.3
	100-116	85-100	±.02	-0.4,-0.6	≤0.6	≤0.15	0.3
	124-134	110-115	±.02	-0.6,-0.8	≤0.6	≤0.20	0.3
	140-158	120-135	±.02	-0.7,-0.9	≤0.8	≤0.20	0.3
	165-176	140-150	±.02	-0.7,-0.9	≤0.8	≤0.20	0.3
	188-203	160-180	±.02	-0.7,-0.9 Honed	≤0.8	≤0.20	0.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Tensile strength:≥520N/mm2
2. Yield strength:≥375 N/mm2
3. Elongation:>15
4. Hardness:HRB>85
5. Technique:Cold drawn +SR

Features:

Length:	2m -12m or as your request
Special Dimensions/specifications:	Dimensions on request, and based on customer drawings
End Shape:	Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements
Surface quality:	Good quality after coating
Usage:	Hydraulic cylinder tube
Third party inspection:	Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.

 

Company profile:

 

1.A very specialized seamless steel pipe factory in China with more than 20 years history!

 

2.An annual output over 1,800,000 tons!

 

3.Our products are widely used in big projects at home and abroad!  

 

About our service:

 

Quality is life , Service decides development and reputation is guarantee.

 

1.cargo track service during transporting and feedback service after cargo is loaded on board

 

2.flexible terms of payment by T/T and L/C

 

3.big discount for repeat customers

 

4.smooth delivering procedure

 

Welcome to inquiry with your detailed information, We promise to offer you first class price, quality

 

and services.

 

RFQ:

 

Q1.What do you want to purchase ?

 

What we can offer are seamless steel tubes, hydraulic cylinder tubes, cold drawn welded tubes

 

 

Q2.Do you have the target price ?

 

Generally ,we have the target price when we buy something ,which is good for both supplier and

 

customer ,at the same time ,the target price should be objective ,reflecting the market.

 

 

Q3.what factors have an effect on the price ?

 

1 the market. our price rise and fall accompany with the market

 

2 the material and the grade .Different materials sometimes mean hundreds dollars.

 

3 the sizes. generally ,the thinner is more expensive because of the manufacture difficulty

 

Main market:

 

1.Yantai XinPeng Steel tubes Co.,Ltd serve the world!

 

2.Our customers spread all over the world in South and North Americas, Europe, Africa and Asia,

 

such as USA, Canada, Brazil, Argentina, Germany, Britain, Italy, Ukraine, Russia and ASEAN

 

countries, etc.

 

3.The future will have a more expansive developing space and bright prospects. We warmly welcome

 

international friends to china for business negotiation.

 

4.Let’s hand in hand, create brilliant! 

 

 

Pretreatment——Acid picking/lubrication

 

 

Cold drawn/cold rolled

 

Annealing furnace——stress relieved annealed

 

Straightener

 

Straightness inspecting

 

Dimension inspecting

 

Sawing

 

Lathe

 

Polishing

 

 

Products inspecting

 

Finished Products

 

 

Application:excavator hydraulic cylinder tubes