Socket welding(SW) is the welding method of pipeline insertion,which forms a fillet welds.It is generally used for small-diameter welding,the commonly used specification is DN50 or less,of course,the ...

First of all,WP5,WP9,WP11,WP22 are steel grades from standard ASTM A234,《SPECIFICATION FOR PIPING FITTINGS OF WROUGHT CARBON STEEL AND ALLOY STEEL FOR MODERATE AND HIGH-TEMPERATURE SERVICE》,alloy pipe...

Last week,our company office received the documents by Fedex Extremely Urgent express  from 1401#, Constitutation Ave NW,Washington D.C. which is the address of Department of Commerce United States.
A...

The investigation of anti-dumping duty and countervailing duty announcement is a big news to our flanges manufacturer.It is about the stainless steel flanges which HS.CODE is 7301210000 and 7301215000...

According to the ASTM A234 standard,WP22 pipe fittings are butt welding ends,commonly used to be butt welded with the ASTM A335 P22 steel pipes and A182 F22 flanges or forged fittings.
ASTM A234 WP22 ...

ASTM A234 WP22 pipe fitting means the pipe fitting which material is ASTM A234 WP22,they are used for the pressure piping systems of moderate and high temperature services.ASTM A234 is the standard of...

ASTM A403 WP321H is a kind of common stainless steel.It is widely used to produce the pipe fittings and flanges which require a good comprehensive performance(corrosion resistance and formability)....

ASTM A403 WP321H pipe fittings mean the pipe fittings which material is wrought austenitic stainless,grade A403 WP321H,they are used for the pressure piping systems of moderate and high temperature se...

The engineers team from Caltex Australia visited our company last week,their main work here was for supplier auditing to us.
The engineers team from caltex australia visited Haihao Group
Caltex is Aus...

ASTM A403 WP321 is a kind of common stainless steel.It is widely used to make for piping components and  parts which require a good comprehensive performance(corrosion resistance and formability).Ti a...

ASTM A403 WP321 steel pipe fittings mean the pipe fitting which material is Wrought Austenitic Stainless,they are used for the pressure piping systems of moderate and high temperature services.ASTM A4...

The stainless steel material 304 is the most common grade in industry field.In steel piping systems,there are pipes,fittings,flanges and other products are made from 304 stainless steels.
They are fro...

ASTM A403 WP304H is a kind of common stainless steel material.It is widely used to connect the piping systems in equipment and pipelines which require a good comprehensive performance(heat and corrosi...

ASTM A403 WP304H pipe fitting mean the pipe fitting which material is wrought austenitic stainless and grade is ASTM A403 WP304H.This material has a high carbon content in chemical compositions.It is ...

ASTM A403 WP304 is a kind of regular stainless steel.It is widely used to produce the equipments and parts which require a good comprehensive performance(corrosion resistance and formability).In order...

ASTM A403 WP304 pipe fitting mean the pipe fitting which material is Wrought Austenitic Stainless grade A403 WP304,they are used for the pressure piping systems of moderate and high temperature servic...

The 11th International Tube Pipe Trade Fair for Southeast Asia is the region’s leading procurement and networking platform that connects you to key local and global manufacturers,and service pro...

ASTM A403 WP304L material is a common stainless steel material.It is widely used to make for equipment and parts which require a good comprehensive performance(corrosion resistance and formability).In...