GB 908-87 Steel Round and Square Bars
This standard outlines the dimensions, shape, weight, and allowable tolerances for round and square steel bars.
Dimensions
The general dimensions of steel round bars with a maximum diameter of 250 mm, and the general dimensions of square bars with a maxim......
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......
Carbon steel electrodes for arc welding
Carbon steel electrodes for arc welding are an important part of the welding industry. These electrodes are commonly used for a variety of structural fabrication, pressure vessel fabrication, and pipe fabrication welding processes.
These electrodes play a ......
General Vibration Standard - Evaluation Standard According to Bearing Vibration Amplitude
Introduction
The vibration of bearings is an important factor when considering the operational status of a mechanical system. In order to properly evaluate the performance of a bearing, the vibration emit......
GB 3190–82 is the standard for chemical compositional requirements for aluminum and aluminum alloy processing products. It sets forth the minimum and maximum allowable nitrogen, carbon, silicon, manganese, magnesium, zinc, aluminum, phosphorus and other key elements, as well as their impacts on p......
Abstract
This article introduces the detection of eddy current of cold-drawn thin-wall tube material made of aluminum and aluminum alloy according to the national standard GB 5126-85. This method of eddy current testing is a reliable, high-efficiency nondestructive testing technology, which is wi......
Regulation on the Safety Management of Hazardous Chemicals
Introduction
The safety management of hazardous chemicals is a matter of great importance to the public’s health and safety. It is essential that hazardous chemicals are properly handled, stored, and disposed of in order to ensure the s......
Introduction
Low-carbon iron, also known as mild steel, is a type of iron alloy that is commonly used in the production of everyday items such as appliances and automobiles. Most people associate low-carbon iron with being lightweight and having good welding properties, but what are the other fea......