Shijiazhuang Bang dong Pipeline Technology Co,Ltd.
November 08, 2018
selection of various pipe fittings

Recently, the Ministry of Construction and the Quality Supervision Bureau have issued notices prohibiting the use of cold-galvanized steel pipes and gradually eliminating hot-dip galva

November 08, 2018
Steel Grade 20. GOST

Characteristics for grade     20   ( 20 )

November 08, 2018
Seamless steel pipe knowledge: 45 # seamless steel pipe

Seamless steel pipe knowledge: 45 # seamless steel pipe 45 # seamless steel pipe spot chemical composition: carbon (C) conte

November 07, 2018
12Cr1MoVG seamless steel pipe

12 chrome 1 molybdenum vanadium seamless steel pipe is 12Cr1MoVG seamless steel pipe 12 Chromium 1 Molybdenum Vanadium Seamless Steel Pipe is a seamless steel pipe made of 12Cr1MoVG with a 100

November 07, 2018
Differences between 3PE and FBE Epoxy Coating Pipe

Differences between 3PE and FBE Epoxy Coating Pipe When people purchase steel pipe for pipeline systems, always we see the pipe has been asked for a epoxy coating like 3PE or FB

November 07, 2018
Application of pipe fittings in heating market

In the past decade, pipe fittings have developed rapidly. Pipe fittings and pipes are increasingly favored for their environmental protection and safety in the past

November 06, 2018
Large-caliber thick-walled seamless steel pipes

Large-caliber thick-walled seamless steel pipes are divided into seamless steel pipe hot-rolling and hot-spreading. Hot-rolled seamless steel pipes are divided into general steel pipes, low- and

November 06, 2018
51 steel pipe network provides: the difference between analytical seamless steel pipe and ordinary galvanized pipe

The so-called steel pipe is divided into two categories: seamless steel pipe and welded steel pipe. Galvanized pipes are gal

November 05, 2018
difference between hot-rolled seamless steel pipe and cold-rolled seamless steel pipe

Hot recommend: bangdong  share hot-rolled seamless steel pipe and cold-rolled seamless steel pipe. Cold-rolled seamless steel pipe is often a small diameter, hot-rolled seamless steel pipe

November 02, 2018
galvanized seamless steel pipe

Knowledge of steel pipe introduction: galvanized seamless steel pipe galvanizing is very small, only 10-50g/m2, its own corrosion resistance is much worse than hot galvanized pipe. Regular galvanized

November 02, 2018
Definition and Details of Flanges Blinds & Spades

Definition and Details of Flanges 

November 02, 2018
Hot rolled seamless steel pipe knowledge and cold rolled (dial) seamless steel pipe knowledge

Hot-rolled seamless steel pipe knowledge and cold-rolled (dial) seamless steel pipe knowledge Hot-rolled seamless steel pipe is divid

November 01, 2018
PMI for pipe fitting , flange

What Is PMI? How to Do It?

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 seamle

October 31, 2018
Bangdong Flange Manufacturing Process

Flanges Manufacturing Process

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

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 st

October 30, 2018
Definition and Details of Flanges - Types of Flanges

Definition and Details of Flanges - Types of Flanges

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 col

October 29, 2018
Pipe Fiting Normalization

Normalizing heat treatment is a process applied to ferrous mat

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-l

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, etc

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