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Dimensions, shapes, weights and allowable deviations of forged round and square steel (abstract) GB 908-87
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......
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General Vibration Standards - Assessment Standards Based on Bearing Vibration Amplitude
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......
Cast carbon steel for general engineering GB 5676-85
，Carbon steel casting for general engineering structure
Carbon steel casting is the process of forming a steel piece in a two-part mold by melting and pouring molten steel into the mold. The process is used to create casting parts for many different applications, including general engineering stru......
GB 1173-86 Specifications for Casting Aluminum Alloys
，或者英文报告
2500 Words on Casting Aluminum Alloy Technology
The casting of aluminum alloys is an important process for producing components of various shapes and sizes. The technology has been around since ancient times and has been used to create tools, weapons, and sculptures. In this paper, ......
Steel name, usage, characteristics, symbol (3)
Stainless-Steel
Stainless steel is a type of steel alloy with a minimum of 10.5% chromium content by mass. The name of the stainless steel is derived from two words, “Stainless” and “Steel”, which means that it is resistant to rust and stains. It is one of the most popular alloys used in the m......
GB/T 2517-1981 Dimensions, shapes and weights of hot-rolled steel sheets and strips for general structures
GB/T 2517-1981 General Purpose Hot-Rolled Steel Plates and Strips Sizes, Shapes and Weights
GB/T 2517-1981 specifies the general purpose hot-rolled steel plates and steel strips’ size, shape and weights. The scope includes the plates and steel strips with normal rolling technique and blunt edges ......
World semi-finished products, steel rods, wire rods, profiles
Half-finished products, steel bars, wires and profiles are essential for the modern construction industry. They are used for several purposes, such as supports, anchors, frameworks, doors, windows and flooring, and can be adapted to a variety of different applications.
Half-finished products, suc......
Large-section non-quenched and tempered and quenched and tempered pre-hardened plastic mold steel
The Purpose of Using Quenched and Tempered Plastic Mould Steel
Plastic mould steel is a steel material used in the production of plastic components and products. Plastic mould steel is a cold work tool steel which typically has the properties of high hardness, strength, abrasion resistance and to......
Alloy structural steel (GB 3077-88) (3)
1. Introduction
Alloy structural steel ( GB 3077-88) is a kind of alloy structural steel formulated by the State Economic and Trade Commission. The standard includes the following grades of alloy structural steel: 15Cr, 20Cr, 30CrMnSiA, 35CrMnSiA, 20CrMnMo, 20CrMo, 30CrMo, 25CrMoV, 14CrMo, 20CrV,......
Brass welded pipe GB 11092–89
Copper is one of the most versatile metals that have been around for centuries. Copper has a natural ability to transfer heat and electricity, making it the go-to for wiring and other electrical uses. Of all the forms of copper, the type of copper most used in welding applications is GB11092-89.
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