Product Details

manufacturer seamless steel carbon cold drawn honed tubes

What we want to say:

Dear Sir/Madam, Welcome~

We are Yantai Xinpeng Steel Pipe Co.,Ltd

♦ Professional tube manufacturer which have over 20years experience

♦High reputation in tube world benefit by competitive price, quality and service.

♦ Supply all kinds of steel pipes such as:

√ hot rolled/cold drawn seamless steel stubes/pipes

√ precision steel tubes/pipes

√ honed and skived tubes/pipes

√ cold drawn welded tubes/pipes(DOM tubes)

♦ Our Website: http://ytxinpeng.en.china.cn

About our productions:

Production Details:
Grade:	20#(CK20,AISI1020),45#(CK45,AISI1045),Q345,ST52(16Mn,Q345D), 42CrMo,25Mn (STKM13C-T),27SiMn.etc cold drawn seamless pipes
ID:	50-250mm
ID tolerance:	H8,H9
Surface roughness:	Ra 0.02—0.4μm
Final supply condition:	cold drawn and stress-relieved(BK+S)
Machining allowance:	0.5-1.5mm
Wall thickness:	10%×ID

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

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

Tolerance on ID:
No.	Inside diameter (mm)	ID machining allowance (mm)
1	300-80	0.5-0.8
2	81-125	0.7-1.1
3	125-200	0.9-1.2
4	200-250	1-1.5
Other dimension can be customize

Prodcut Information

1. Hydraulic Cylinder Tube------Main products of Xinpeng,

( OD polished ra0.8um, ID Honed/SRB ra0.4um)

Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts.

Material is various, mainly STKM-13CT ST52 CK45 and 1020.

We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.

2. Honed tube ----- used in Elevator buffer and Hydraulic Cylinder .

( ID honed, ra0.2-0.8um OD ra3.2um)

This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.

3. Cold finished tube BKS

( OD ID ra1.6-3.2um) (better Mechanical Property)

---- Widely Used. Processing range 30-300mm, biggest length is 11M.

4.Cold Drawn/Rolled Tube +BK (without anneal, roughness ra0.8-ra1.6um )

About our work flow:

About our package:

About our test equipment:

About our company:

Yantai Xinpeng Steel pipe co,.ltd.

Located in Yantai, a beautiful coastal city in Jiaodong Peninsula, our company is in the (APEC) Science & Technology Industrial Park, urban area of Yantai, with convenient transportation.

Established in December 1992, with registered capital of 5 million yuan and plant and office space of 12,000 square meters, covering an area of 20,000 square meters , our company mainly produces various specifications of cold drawn,rolled precision steel tube,hydraulic cylinder tube and SRB Tube, which are widely used in such industries as hydro-cylinder, automobile, engineering machinery, textile machinery, printing machinery, oil drilling, etc. Our company is also the distributor of several domestic well-known steel tube plants in Shandong, and mainly distributes seamless steel tubes of all kinds of materials.

Distribution, production,agency services:

1. Distribution: Various specifications and materials of seamless steel tubes produced by steel tube plants, such as Baosteel, Baogang Group, Hubei Xinyegang Steel, Tianjin Pipe, Hu’nan Hengyang Valin Steel Tube, PanGang Group Chengdu Iron & Steel, Shandong Yantai General Steel Tube Plant, Yantai Lubao, etc.

2. In October 2002, Shandong Penghui Hydro-cylinder Co., Ltd. was established, and 1 set of 250 ton hydraulic precision cold drawn unit was introduced to produce various specifications of cold drawn precision steel tubes, which are widely used in such industries as hydro-cylinder, automobile, engineering machinery, textile machinery, printing machinery, oil drilling, etc.

3. Agent service: Hydro-cylinder used high precision cold drawn welded tube (DOM) produced by Italy Marcegaglia.

Adhere to the business concept of “integrity”, “the Xinpeng Staff” are dedicated to building the brand of Xinpeng Steel Tube with high quality products, and preserving the enterprise image of Xinpeng Steel Tube with perfect service and supreme credibility.

We warmly welcome new and old customers to our company to negotiate business, sincerely cooperate with each other, and realize mutual prosperity and common development.

About our certificate:

About our business partner:

About our deliver conditions:

1. Standard packing with plastic caps and strapped bundles.

2. Commercial length 2000~10500mm,custom lengths upon request

3. Surface protection

About our service:

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

♥ If you are interested in us, please feel free to contact us:

<Thank you so much for all of your concern and precious time! ♥>