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GB 12801-91 General Principles of Safety and Sanitation Requirements for Production Process
12801-91 Production Process Safety and Health Requirements General Provisions
This standard specifies the requirements and regulations of the production process safety and health in order to prevent and reduce occupational accidents, injuries and diseases. The objective of this standard is to ens......
1103 
Oliver
GB 13456-92 Discharge Standard of Water Pollutants for Iron and Steel Industry
GB 13456-92 Steel Industry Water Pollution Emission Standards
In order to protect the environment, the State Council ratified the Steel Industry Water Pollution Emission Standard (GB 13456-92) on April 1, 1993, which became effective on July 1 of that same year. This standard applies to all types......
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......
Chemical Composition of Aluminum and Aluminum Alloy Processed Products GB 3190–82
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......
90Mn4 use
AISI 321 (UNS S32100) Stainless Steel Introduction
AISI 321 stainless steel (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precip......
Alloy structural steel (GB 3077-88) (1)
Alloy structure steels (GB 3077-88)
Overview
Alloy structure steels refer to the type of alloy steel which has been developed for the purpose of the restructure of steel objects in the engineering industry. Specifically, GB 3077-88 refers to the alloy structure steel used in such structures as m......
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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Plastic mold steel module (YB/T129-1997)
Introduction
This article will attempt to provide an overview of YB/T129-1997, a standard, or document, issued by the Chinese State General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) for plastic injection mould steel modules (PIPSMs). Specifically, the article will c......
18CrNiMo7-6 use
关于42CrMo4 和18CrNiMo7-6的用途 Introduction Steel is one of the most integral components for virtually any construction project. In Europe, two steel grades that are commonly used in engineering purposes are 42CrMo4 and 18CrNiMo7-6. Both of these alloys offer benefits to designers and constructors......
00Cr18Ni14Mo2Cu2 use
AISI 316L (00Cr18Ni14Mo2Cu2) Stainless Steel
AISI 316L (00Cr18Ni14Mo2Cu2) stainless steel is a modified version of 304 stainless steel. It is a chromium-nickel-molybdenum austenitic stainless steel with considerable amounts of Carbon. It has a higher corrosion and chloride resistance than convent......
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