CARBON STEEL LSAW PIPE

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Product Description:

LSAW Steel Pipe
1 Size: 219-3200 mm*5-25.4mm
2 Material Q235/Q345/20#/X42-X65/J55 etc

Standard:
EN-10208-1/2, GB9711.1/2 etc.

Steel Grade:
B, X42 up to X70; L245, L290 up to L48

Usage:
Used for Steel Structure

Size:
LSAW from 219.1mm to 3200mm, thickness from 5mm to 25.4mm
Ends: Beveled ends with protector

Surface:
Bare / Varnish coating / FBE, 3PE coating DIN30670 / or by client option

Packing:
Casing, bundled shipping in containers or by break bulk vessel


Process

Longitudinal Submerged- Arc Welded Steel Pipe (DSAW -Double Submerged arc welded)

Usage

Used for liquid delivery, such as water, gas, and oil; construction and piling

Standard

API 5L(PSL1,PSL2), ASTM A252,EN10217, EN10219,KS F4602, KS D3583, BS, JIS, IS

Certificate

ISO 9001:2008, ISO 14001, ISO 18001, API 5L (PSL1, PSL2),EN10217, EN10219 and so on.

Outside Diameter

323.9 mm-2134 mm (12"-84")

Wall Thickness

6 mm - 80mm

Length

6 – 14 m

Grade

API 5L: GR A, GR B, X42,X46, X56, X60,X65,X70 ASTM A252 GR 1, GR 2, GR 3 EN 10219: S275, S275JR, S355JRH, S355J2H EN 10224, L235,L275,L355

Surface

Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Varnish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement

Test

Chemical Component Analysis, Mechanical Properties (Tensile strength, Yield strength, Elongation), Hydrostatic Test, X-ray Test,Size Inspection.

Mill Test Certificate

Mill Test Certificate:EN 10204/3.1B



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Q:What does seamless steel tube mean? What are the main uses? What are the classifications?
Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
Q:What is the single length of galvanized steel pipe?
Galvanized steel pipe is divided into cold galvanized steel pipe, hot galvanized steel pipe, cold galvanized steel pipe has been banned, and the latter is also advocated by the state for the moment, can be used. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned.
Q:How can two smooth steel pipes be joined? The size of the two pipe is different (except for welding)
Fastener type steel pipe scaffold, fastener is the connection between steel pipe and steel pipe, and its form has three kinds, namely right angle fastener, rotating fastener, butt fastener
Q:How to identify stainless steel pipe and steel pipe?
Stainless steel (Stainless Steel) is referred to as the stainless steel, the resistance of air, steam, water and other weak corrosive medium or with stainless steel known as stainless steel; while the resistance to chemical corrosion (acid, alkali and salt chemical etching) corrosion of steel called acid resistant steel. Because of the difference in the chemical composition of the two, and make their corrosion resistance is different, ordinary stainless steel is generally not resistant to chemical medium corrosion, and acid resistant steel are generally stainless steel.
Q:Stainless steel tube, also known as why tube?
Use can be divided into oil well pipe (casing, tubing and drill pipe etc.), line pipe, boiler tube, mechanical structure, hydraulic prop pipe pipe, cylinder pipe, geological pipe, chemical pipe (high pressure fertilizer pipe, oil cracking tube) and shipbuilding pipe etc.
Q:Is there any difference between thermal expansion seamless steel pipe and seamless steel pipe?
Differ,Thermal expansion seamless steel tube is what we often call "thermal expansion tube", the density is relatively low, but a strong contraction of the steel pipe, (seamless steel pipe) can be referred to as "heat expansion.". A finishing rolling process for pipe rolling by using oblique rolling or drawing method to enlarge pipe diameter. In a relatively short period of time, the outer diameter of the steel pipe becomes larger, and the seamless tube with nonstandard and special type can be produced, and the cost is lower and the production efficiency is high, which is the development trend of the international rolling tube field at present.
Q:Are there specifications for scaffold steel pipe with 48mm * 3.2mm?
Scaffold tubes are our name for materials used to build scaffolding, because most scaffolding uses tubular bamboo or steel tubing. Bamboo and other bamboo is for a long time in the use of the scaffolding tube, but due to lack of safety and durability, now only in rural and urban area construction is lagging behind some of the home building small building has been used. The modernization construction, the most commonly used type of scaffolding pipe is steel pipe, the scaffolding should not only meet the demand of workers, but also to meet the characteristics of scaffolding firm and durable, so tough hard steel is the best choice. The selected steel pipe generally requires smooth surface, no cracks, no bending, no rust, and meet the relevant national standards.
Q:What is the outer diameter of the steel tube?
The diameter of a steel pipe refers to the diameter of the steel pipe. The specifications of the steel tube is normal with diameter (diameter and thickness) said, for example 100MM outer diameter and wall thickness of 5MM tube is marked with 100*5.
Q:Seamless steel pipe 8162 and 8163 what is the difference?
GB 8162 is the structure of the tube, there is no need for flaw detection, the use of mechanical processing, stents;
Q:Who knows what is the difference between double submerged arc welded pipe and longitudinal submerged arc welding?
Double submerged arc welding is also a kind of longitudinal submerged arc welding.

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