Industry Information

Update November 01, 2018

Bangdong pipeline provide Q345B seamless steel pipe

Bangdong provides knowledge of Q345B seamless steel pipe -Q345B seamless steel pipe price is a lot of classification methods. According to manufacturing process classification: hot-rolled seamless...

Update October 31, 2018

Bangdong Flange Manufacturing Process

Flanges Manufacturing Process Bangdong pipeline technology manufacturing process is highly sophisticated and is divided into various departments supervised by experienced industry experts. We use...

Update October 31, 2018

Alloy seamless steel pipe performance is much higher

Alloy seamless steel pipe is a seamless steel pipe, its performance is much higher than the average seamless steel pipe, which contains more Cr inside the steel, its high temperature, low...

Update October 31, 2018

The difference between 45# seamless steel pipe and 20# seamless steel pipe

The difference between 45# seamless steel pipe and 20# seamless steel pipe 45# seamless steel pipe and 20# seamless steel pipe have different main carbon contents. 45# carbon steel content is 42-48,...

Update October 30, 2018

ASTM A193 Grades Stub bolts

ASTM A193 Grades There are several grades within the A193 specification. Each grade possesses unique chemical requirements, strength requirements, testing requirements, and applications. This website...

Update October 30, 2018

Definition and Details of Flanges - Types of Flanges

Definition and Details of Flanges - Types of Flanges Flange types As already described before, the most used flange types acc. to ASME B16.5 are: Welding Neck, Slip On, Socket Weld, Lap Joint,...

Update October 30, 2018

Analyze the national standard seamless steel pipe analysis national standard seamless steel pipe specification table

The national standard seamless steel tube is made by punching a steel ingot or a solid tube into a capillary tube, and then made by hot rolling, cold rolling or cold drawing. The national standard...

Update October 29, 2018

Pipe Fiting Normalization

Normalizing heat treatment is a process applied to ferrous materials. The objective of the normalizing heat treatment is to enhance the mechanical properties of the material by refining the...

Update October 29, 2018

What are the basic terms of pipe fittings?

Structural wall tube structuredwallpipe The composite pipe wall structure and the pipe wall composed of a multi-layer material are collectively referred to as an open pipe rib shape, a closed rib...

Update October 29, 2018

What's The Advantage of Using Slip On Flanges

In most cases RFSO flanges are used for ease of fit up and bolt alignment although there are limitations to their use in regard to fatigue strength life, pressure, temperature, service conditions,...