News_Hebei Longsheng Pipeline Equipment Co.,Ltd.

Contract signing: According to the bidding documents and technical specifications provided by the owner, the bidding documents are prepared to participate in the bidding, and the technical department improves ...

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Hebei Longsheng Pipeline exhibite at Dusseldorf Fair,Germany

ASTM A105-A105M-2021-Standard pipe fittings manufacturers

Note: In the pipeline system, generally ASTM A105-A105M-2021 can replace 20#, but 20# cannot completely replace A105, because the strength difference is still large. However, the stress corrosion cracking (SCC...

Standard data of ASME16.28 and ASME16.9 elbow

After 20 years of trials and hardships, Longsheng Company has been adhering to the "integrity and pragmatic, quality first" business policy, and has now become a large-scale pipeline equipment manufa...

The advantages and disadvantages of tube fittings _ Professional pipe fittings manufacturing 30 years factory direct sales

Socket welding is a kind of pipe connection in which the pipe is inserted into the wall of the valve, pipe fitting or flange. In contrast to butt welding, socket welding is usually used for small diameter pipe...

Special steel grade nickel-based alloy pipe and pipe fittings _ Professional pipe fittings manufacturing 30 years factory direct sales

Nickel Alloy Steel has a high alloy content such as Cr, NI, Mo, etc., and still has good performance under high temperature and strong corrosion environment, such as: strong acid and alkali corrosion resistanc...

Carbon steel pipe and pipe fittings _ Professional pipe fittings manufacturing 30 years factory direct sales

Carbon Steel is an iron-carbon alloy with a carbon content of 0.0218% to 2.11%. Also known as carbon steel. Generally also contains a small amount of silicon, manganese, sulfur, phosphorus. Generally, the high...

Duplex steel stainless steel pipe and pipe fittings _ Professional pipe fittings manufacturing 30 years factory direct sales

Duplex steel/Super duplex steel Stainless steel pipe is with austenitic + ferritic duplex structure, so its performance characteristics have the characteristics of austenitic stainless steel and ferritic stain...

Alloy steel pipe and pipe fittings _ Professional pipe fittings manufacturing 30 years factory direct sales

Our team at Hebei Longsheng Pipeline Equipment Co., Ltd. is well trained and has extensive experience in maintaining and producing various types of steel. Whether you have a large construction project or need ...

Austenitic stainless steel pipe and pipe fittings _ Professional pipe fittings manufacturing 30 years factory direct sales

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Austenitic Stainless Steel (Austenitic Stainless Steel) has a stable austenitic group at room temperature, the steel contains about 18% Cr, Ni more than 8%, C ab...

The biggest difference between national standard pipe fittings and American standard pipe fittings

The biggest difference between national standard pipe fittings and American standard pipe fittings is: caliber. The American standard is the domestic often said A series and the national standard is the B seri...

Manufacturer direct production of bimetal composite pipe fittings _ Professional pipe fittings manufacturing for 25 years

The bimetal composite pipe fittings produced by our company are carbon steel or alloy steel as the base, and the composite pipe fittings made of stainless steel, titanium alloy, copper, aluminum and other corr...

Manufacturer direct marketing superior bending pipe _ Professional pipe fittings manufacturing for 25 years

The bending pipe produced by our company is bent by using a complete set of bending molds, which are divided into two kinds of processes: cold simmering and hot pushing, and are widely used in oil and gas indu...

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