Product Details

Commodity name:Astm a519 cold finished hydraulic honed precision steel pipe

Company Information

Yan Tai Xinpeng Steel Pipe Co., Ltd. was established in December, 1992, with the registered capital of 5 million Yuan. Xinpeng Company Located in Yantai which is one of the beautiful coast city of China.

Our plant and office cover an area of 12,000sqm, with the total area of 20,000sqm.
Our company mainly produces various specifications of cold-drawn precision seamless steel tubes and hydraulic precision cylinders also honed tube. Sell the seamless tube also the cold drawn welded tube (Dom tube_ from Italy Marcegalia.
Our products are widely used in such industries as:
hydro-cylinders, automobiles, engineering machinery, textile machinery, printing machinery, oil drilling, etc.

1.Grade: 20#(aisi1020,ck20),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn,27SiMn,42CrMO

2.ID:30-250mm

3.ID tolerance:H8,H9

4.Surface roughness:Ra 0.02— 0.4μm

5. Final supply condition:cold drawn and stress-relieved(BK+S

6. Machining allowance:0.5-1.5mm

7.Wall thickness:10%×ID

Variety

Processing

Cylinder Diameter

Straightness

Size Accuracy

W.T/mm

Inner Bore Roughess

Cold drawn/

cold rolled

ID30-250

0.3

H9-H11

±10%

0.4~1.6um

Honed tube

ID50-250

0.3

H7-H9

±10%

<0.4um

Mechanics performance

Material	Tensile strength	Yield strength	Elongation	Hardness
Ck20/20#/AISI1020	>520 N/ mm²	>375 N/mm2	>15%	>85HB
Ck45/45#/AISI1045	>600 N/ mm²	>520 N/ mm²	>15%	>85HB
ST52/16Mn/Q345D	>600 N/ mm²	>520 N/ mm²	>15%	>85HB
25Mn/STKM 13C-T	>600 N/ mm²	>530 N/ mm²	>15%	>85HB

Delivey conditions

Standard packing with plastic caps and strapped bundles.
Commercial length 2000~10500mm,custom lengths upon request
Surface protection

Process

*Size IDOD (mm) length can be fixed biggest 6M**
*4050**	*90110**	*140170**	*190215**
*4055**	*95110**	*145170**	*190220**
*5060**	*95115**	*150170**	*190225**
*5065**	*100110**	*150175**	*200220**
*5570**	*100114**	*150180**	*200225**
*6070**	*100115**	*155180**	*200230**
*6075**	*100120**	*160175**	*200245**
*6078**	*100125**	*160180**	*200250**
*6373**	*105125**	*160185**	*220250**
*6375**	*110125**	*160190**	*220270**
*6376**	*110130**	*160195**	*225250**
*6378**	*115130**	*165190**	*240273**
*6580**	*115135**	*165205**	*250290**
*7080**	*120140**	*170200**	*250300**
*7082**	*125140**	*180200**	*200213**
*7085**	*125145**	*180205**	*200216**
*7090**	*125150**	*180210**	*250266**
*7590**	*130150**	*180215**	*6045**
*8092**	*130155**	*180220**	*7057**
*8095**	*130160**	*185205**	*9080**
*80100**	*135160**	*185215**	*10290**
*85100**	*140160**	*185220**	*5040**
*90105**	*140165**	*190210**	*5540**

Application:

hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestry machinery, etc.

FAQ

1. How many employees in your company? More than50 people..

2 Could you produce the cylinder according to our request?

Yes, we could design the cylinder according to your request or your drawing.

3 What's your main export market?

Middle East, Africa, Southeast Asia, European and South America

4. What’s your common lead time?

About 10days to 25days after payment

5. What is your MOQ? 5tons start on each specification.

6. Can you sent samples?

Yes we can, the freight need to stand by customer.

But if More than 5kg, the clients need to pay the sample expense.