Welding technique in architectural steel structures referred to the requirements of JGJ81 - 2002
Architectural steel structures refer to the structures of buildings, bridges, automobiles and ships constructed by metal materials. In terms of steel, it is the skeleton composed of various metal allo......
JGJ81-2002 Building Steel Structure Welding Technology Specification (Twelfth)
Welding technology specification of the building steel structure (JGJ81-2002) is an important specification of the construction industry. It is applicable to the welding of steel structure. Its object is to set the lim......
Welding of steel structures is a major factor in the construction of buildings and most other structures. This article will outline the key points of JGJ81-2002 standard for Architectural Steel Structures Welding Technology.
The JGJ 81-2002 standard is based on the needs of various types of struc......
Welding technology regulations for architectural steel structures (No.11)
Welding technology regulations for architectural steel structures are established in order to ensure the safety and reliability of steel structure products and their welding performance, and to guarantee their long-term saf......
National Technical Specifications for Steel Building Co welding of JGJ81-2002
In 2002, the National Technical Specifications for Steel Building Co welding (JGJ81-2002) was introduced for the construction industry. This document embodies a set of rules and norms that are intended to standardize an......
The GB 905-82 standard which outlines the specifications for cold drawn round steel covers the dimensions, shape, weight, and permissible deviation from the specified dimension and shape of cold drawn round steel products. The applicable materials are carbon steel products, alloy steel products, a......
材料
Abstract
Ultrasonic testing is an important technique for detection of rolling defects in steel bars. Ultrasonic testing is typically used to detect internal flaws, such as cracks and other discontinuities, that cannot be detected by visual inspection. GB/T 4162–91 regulates the ultrasonic ......
提要
1. Introduction
This document outlines the recommended standards for testing pumps. Testing of pumps is needed to ensure that pumps are designed well and free from defects, and that they perform reliably during operation. It also ensures that pumps meet regulatory guidelines and safety requir......
Abstract
This paper introduces GB/T 12969.2-91 Eddy Current Method for inspecting titanium and titanium alloy pipes. Eddy current method is an non destructive testing (NDT) technique for performing the inspection of titanium and titanium alloy pipes. The technique is an electromagnetic test whic......
: Ultrasonic Testing of Titanium and Titanium Alloy Processing ProductsThis standard specifies the method for the ultrasonic testing of titanium and titanium alloy processing products. The standard applies to the inspection of titanium and titanium alloy plates, strips, wires and forgings.1. Method......