Industry Information

Update August 31, 2018

butt weld pipe fittings with carbon steel and stainless steel

Butt welded pipe fittings are offered in a variety of types, sizes and materials. About types, there are butt weld elbows, tees, reducers, crosses, caps. About sizes, they are available in 1/2'' inch...

Update August 30, 2018

What's the difference between ANSI B16.5 flange & ASME B16.5 flange?

What's the difference between ANSI B16.5 flange & ASME B16.5 flange? The answer is there is no difference. First of all, ANSI B16.5 standard was published in 1973. In 1996 the standard changed to...

Update August 28, 2018

the difference between long radius elbows and short radius elbows

Long radius elbows and short radius elbows will be connected with pipes, which can change the direction. These 2 types of elbows can be done with 30deg, 45deg, 60deg, 90deg, 180deg etc. And materials...

Update August 23, 2018

The introduction about weld neck forged flange

Hengjia Pipeline can manufacture weld neck pipe flanges in many steel material grades, including carbon steel weld neck pipe flanges, alloy steel weld neck pipe flanges and stainless steel weld neck...

Update August 23, 2018

socket weld fittings and threaded fittings

Besides butt weld fittings, socket weld fittings and threaded fittings are also our product range. Both SW & THD fittings are forging. Threaded-Available in class2000, 3000, 6000 Socket...

Update August 22, 2018

Butt weld bend with tangent length

Our factory provide butt weld bends that are fabricated using different grades of steel, including carbon steel, alloy steel and stainless steel. These bends with tangent length or not depend on per...

Update August 22, 2018

ANSI DIN pipe flange

For forged flanges, there are not only many materials and types, but also various manufacture standards, such as ANSI, DIN etc. ANSI flanges are specially designed so that the outer diameter of the...

Update August 17, 2018

The classification and usage of carbon steel elbow

According to the radius of curvature, carbon steel elbows are divided into long radius(LR) elbows and short radius(SR) elbows. The long-radius elbow refers to its radius of curvature equal to 1.5...

Update August 17, 2018

Different forms of flanges and sealings

Pipe flange can be divided into seven basic types, including weld neck flange, slip on flange, threaded flange, socket welding flange, loose flange, plate flange, blind flange etc. About flange...

Update August 15, 2018

flange American standard number

There are many differences in flange size and standards used by American Standard Valves and National Standard Valves. The following describes the standard and structural standards for flange sizes...