Discount wholesale Alloy Steel Pipe - Boiler steel pipe hot rolled seamless high pressure boiler tube – Lu

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Discount wholesale Alloy Steel Pipe - Boiler steel pipe hot rolled seamless high pressure boiler tube – Lu Detail:

Introduction

Boiler steel pipe refers to the steel with open ends and hollow section, and its length is larger than that of the surrounding. According to the production method, it can be divided into seamless steel pipe and welded steel pipe. The boiler steel pipe specifications use the external dimensions (such as outer diameter or side length) And the wall thickness indicates that its size range is very wide, from a small diameter capillary tube to a large-diameter tube with a diameter of several meters. Boiler steel pipe is a kind of seamless pipe. The manufacturing method is the same as that of seamless pipes, but there are strict requirements on the steel grades used in the manufacture of steel pipes. According to the operating temperature, it can be divided into two types: general boiler tubes and high-pressure boiler tubes. ①Generally, the temperature of boiler tubes is below 450℃. Domestic tubes are mainly made of No. 10 and No. 20 carbon steel hot-rolled tubes or cold-drawn tubes.
② High-pressure boiler steel pipes are often in high temperature and high pressure conditions when used, and the pipes will be oxidized and corroded under the action of high-temperature flue gas and water vapor. The steel pipe is required to have high durable strength, high oxidation and corrosion resistance, and good organizational stability.

Parameter

Item	Boiler steel pipe
Standard	ASTM, DIN, ISO, EN, JIS, GB, etc.
Material	ASTM A106B, ASTM A53B, API 5L Gr.B, ST52, ST37, ST44SAE1010, 1020, 1045, S45C, CK45, SCM435, AISI4130, 4140, etc.
Size	Outer diameter: 48mm—711mm or as requiredWall thickness: 2.5mm-50mm or as requiredLength: 1m-12m or as required
Surface	Lightly oiled, hot dip galvanized, electro-galvanized, black, bare, varnish coating/anti-rust oil, protective coating, etc.
Application	Widely used in pipeline transportation, boiler tubes, hydraulic/automotive pipelines, oil/gas drilling, food/beverage/dairy products, machinery industry, chemical industry, mining, construction and decoration, special purposes.High-pressure boiler tubes are mainly used to manufacture superheater tubes, reheater tubes, air guide tubes, main steam tubes, etc. for high-pressure and ultra-high-pressure boilers.Generally, boiler tubes are mainly used to make water wall tubes, boiling water tubes, superheated steam tubes, superheated steam tubes for locomotive boilers, large and small smoke tubes, and arch brick tubes. Special Purpose.
Export to	America, Australia, Brazil, Canada, Peru, Iran, Italy, India, United Kingdom, Arab, etc.
Package	Standard export package, or as required.
Price term	EXW, FOB, CIF, CFR, CNF, etc.
Payment	T/T, L/C, Western Union, etc.
Certificates	ISO, SGS, BV.

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