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25 mm galvanized steel pipe metal tube seamless pipe
USD $450 - $600
/ Ton
1 Ton(Min.Order)
- 1000 Ton / Tons per Month
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Product Details
| Place of Origin | China | |||
| Thickness | 2, 15 | Application | Structure Pipe | |
| Technique | Extruded | |||
| Alloy Or Not | Non-alloy | |||
| Outer Diameter | 8 - 100 mm | |||
| Section Shape | Round |
Product Description
Products Description
Details Images
Product | 25 mm galvanized steel pipe metal tube seamless pipe | ||||||
Outside | 8~100mm | ||||||
Thickness | 2mm~15mm | ||||||
Unit length | 3m, 5.8m, 6m, 11.8m, 12m, 13.5m or as per customers' request | ||||||
Material | A53,ST33,A283,A135,ST37,A53,A106,ST35,A179,A214,A192,A226,A315,ST42 A106-B | ||||||
surface | Bare surface,varnish painting,galvanizing,other painting as per customers' request | ||||||
Packing | In bundles with steel strip or in loose, non-woven fabrics packings or as per customers' request | ||||||
Application | Civil engineering, architecture, steel towers, shipyard, scaffoldings, struts, piles for suppression of landslide and other structures | ||||||
Company Profile
Shandong Tianzan Steel Co.,Ltd has been specialized in producing galvanized steel tubes,seamless steel tubes, RHS&SHS steel pipes,welded steel pipes and other steel pipes for 22 years.We have well-equipped testing facilities and strong technical force.With a wide range,good quality,reasonable prices and stylish designs,our products are extensively used in minerals,chemicals,machinery and other industries.Welcome to your inquiry!
Our Advantages
Good Quality Makes Us Different!
* All seamless steel pipe products are produced by ISO9001 certified mill !* All seamless steel pipe products are EN10204:2004 3.1 Certified !
* Non-destructive Testing Report are available if required !
* Heat Treatment Report are available if required !
* Mechanical Testing Report are available if required !
Manufacturing Technique
Process of Seamless Steel Tube
The production process of general seamless steel tubes can be divided into two types: cold drawing and hot rolling.Hot-rolled round pipe billet → heating → perforation → three-roll diagonal rolling, continuous rolling or extrusion → stripping → sizing (or reducing) → cooling → straightening → hydraulic test (or flaw detection) → marking → storage precision The tube is made of steel ingots or solid tube blanks through perforation to make capillary tubes, and then made by hot rolling, cold rolling or cold drawing. The specifications of precision tubes are expressed in millimeters of outer diameter * wall thickness. seamless steel tubes are divided into hot rolled and cold rolled (dial) seamless steel tubes.
Hot-rolled seamless steel tubes are divided into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes. Cold rolled (dial) precision tubes include general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, and other steel pipes, as well as carbon thin-walled steel pipes, alloy thin-walled steel pipes, Rusty thin-walled steel pipes and special-shaped steel pipes. The outer diameter of hot-rolled seamless pipe is generally greater than 32mm, the wall thickness is 2.5-200mm, the diameter of cold-rolled precision pipe can reach 6mm, the wall thickness can reach 0.25mm, the outer diameter of thin-walled pipe can reach 5mm, and the wall thickness is less than 0.25mm. Higher precision than hot rolled dimensions.
Quality Control
How to inspect seamless steel tubes quality?
1. Elemental detection can apply analytical chemistry and chemical composition analysis. Chemical composition analysis samples are divided into molten samples, steel ingots, drill cuttings, and pipe fittings. The molten samples are generally analyzed by instruments and equipment, and the finished product tube samples are analyzed by chemical composition analysis and single-piece analysis.
2. Specification and shape inspection. The inspection content includes the thickness, diameter, length, refractive index, ellipticity, inclination of the hole edge, blunt edge, cross-section profile and so on.
3. Eddy current flaw detection, magnetic particle flaw detection, magnetic flux leakage detection, infiltration flaw detection. Among them, the infiltration detection is limited to the flaw detection of the surface of the seamless steel pipe, and the magnetic particle detection, magnetic leakage detection and eddy current detection are limited to the detection of ferromagnetic raw materials. Eddy current testing is particularly sensitive to point defects, while the other inspection methods are particularly sensitive to cracks.
4. Organic chemical function test Physical property experiment, hydropower experiment and erosion experiment at normal temperature or a certain temperature. The main uses of seamless pipes are widespread. The general main purpose seamless pipe is cold rolled by general carbon steel, low alloy steel or alloy tool steel, with the largest number of productions. The key is used to convey the fluid mechanics pipelines or structural parts.
5. Performance test includes deformation test, ring tension test, bulge test, and bending test.
6. Metallographic analysis includes low output power and high power detection.
packaging and shippment
Packaging Details about seamless steel tubes
1. Small OD: In hexagonal bundle with steel strips
2. Large OD: In bulk
3. Wrapped in waterproof plastic woven bag
4. Filled in wooden cases
5. Customized as clients requirement
FAQ
Q1: Can I have a sample?Is it free?
A: Yes,sample is offered for free, but freight shall be charged by customer.
Q2: What about the lead time?
A: Normally 7-10 working days for normal specification,2-5days if we have in stock.
Q3: Do you have MOQ limit?A:It depends on products, normally we can do as client requires.
Q4: What about your payment term?
A:T/T or L/C,Western Union, it can be negotiated.
Q5: What is your warranty?A:Mill test certificate,SGS certificate, MTC certificate, shipping inspection or any thirs
party as you need.
Contact Us
- Shandong Tianzan Steel Co., Ltd.
Product Categories
| Alloy Pipe | Galvanized Pipe | Plastic Coated Steel Pipe | Precision Steel Pipe |
| Seamless Steel Pipe | SHS&RHS Steel Tube | Stainless Steel Pipe | steel plate |
| Ungrouped | Welded Steel Pipe |
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