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Supply Steel Butt Longitudinally-welded Pipes

Posted at: Offers to Sell and Export | Posted on: Wed 27 May, 2009 2:13 am |
steel butt longitudinally welded pipes
Products Photos CatalogSteel Butt Photos Catalog

We supply every type of steel butt weld pipes and hot galvanized steel pipe such as longitudinal seam

submerge welded structural pipes with large diameter, and pipes inner diameter is Φ406mm or above.

It can used in fields such as power transmission steel tower, papermaking, energy, transportation, light industry, machinery, every type of construction frameworks, and also in auto fabrication, supermarket racks, container fabrication and industrial plant structure, etc., Original: Qingdao, Shandong, China

Material: All steel plate are purchased from noted Chinese steel plant or based on customer's specific requirements. Before we began to use steel plate, these products have been checked by steel plant and our quality checker so as to assure the quality of the raw materials.

Production Standard: Our steel butt longitudinally-welded Pipes are produced with a range of tempers and guaranteed mechanical properties to comply with all major world standard such as china national standard (GB) or other country standards such as ASME/ANSI, API, MSS, DIN, JIS, SH, SY, HG, and DL. We also can produce all goods according to the customers other requirements.


Production scope:

a) All Round pipes: Φ406mm or above (Inner Diameter)

b) Thickness 5 - 80mm

In addition to the above products specifications, we can make special pipes based on customersí requirements.

we can produce every type of pipes based on customerís specification and other requirements.


1 Diameter

1.1 The OD, wall thickness and length shall comply with Code API SPEC 5L. In case of pipe of other dimensions are required, the buyer and the seller shall make mutual agreement accordingly.

1.2 Except that tolerance for OD and wall thickness shall comply with API SPEC 5L, GB709-88 Dimensions, shape, and weight for hot-rolled plates and strips shall also be binding. In case of pipe of higher precision is required, buyer and seller shall make mutual agreement accordingly.

2 Lengths

2.1 usual length used ranges6-12.2m.No more than 5 %( in weight) of short size pipe is allowed, and the short size shall be no less 1m.

2.2 Cut-length and double length

They are specified in the usual range, and for each cut length, there shall be 5mm extra. And total tolerance is L0+15mm.

3 Shapes

3.1 tolerance for straightness and tortuosity factor shall not exceed 0.15% of the pipe length.

3.2 ovality shall not exceed 5mm.And the difference of the average diameter between pipe ends shall not be more than 2mm.

3.3 cutting section of two ends shall be perpendicular with the axis of the pipe, and free from blurs.

4 The transaction value is based on theoretical weight or actual weight. And the density for the steel is 7.85 ton/m3.

Visual quality: Defects like fissure, scar, overlap, layer, porosity, Flash are not allowed. Oxidization skin and traces of grinding are allowed.

Packing: Export standard bare bundles or as per customer's requests

Color: Silver white or Based on customersí requirements.

Fabrication: Based on customer's requirements, local conditions, and other technical data agreed by both parties.

Terms of Payment: L/C, T/T

Minimum Order Quantity: 10tons

Port of Loading: Qingdao Port

Delivery time: one month or based on customerís requirements

Welded requirements:

1. We used CO2 welding and submerged arc auto welding or other methods.

2. Welded seam shall be full penetration and grinded.

3. welded product has no fissure, scar, overlap, layer or other defects.


All components are dip-hot galvanized with uniform.


We also supply Factory accept test, Warranty certification, Certificate of product quality

Certification of Quality Management System

Our all products are in conformity with GB/T19001-2000idt ISO 9001:2000.

Company Contact:

towerproduct photo
Contact Name: Mr. Emerson
Company Name: Qingdao Wuxiao Group Co., Ltd
Email: Email
Tel: 0086-532- 81120580
Fax: 0086-532-82275396
Street Address: East LAN Zhou Road 553,
Jiao Zhou County, Qingdao City, Shandong
Province and P.R.China
Website: http://www.wuxiao.cn
Member name: towerproduct
Country: China-CN China
Member Since: 26 May 2009
Total Leads: 12 towerproduct Import Export Business Leads
Business focus: Power Transmission Line Steel Tower, Wind Turbine Tower, Telecom Tower, Monopole Tower, Substation, Vrb Battery, Solar Panel
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