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Unit consumption standard for ball bearing processing trade (HDB/JB002-2000)
Roller bearinng processing and trading standard IHB/JB002-2000
Roller bearinng processing and trading requires certain standards and regulations to ensure that the products are of high quality, safe and efficient. In order to ensure that roller bearings are produced and sold according to the agre......
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Brief introduction to the representation method of metal material grades of the International Organization for Standardization (ISO)
International Organization for Standardization (ISO) Metal Material Numbering System Introduction
The International Organization for Standardization (ISO) is a global platform that develops and publishes International Standards. ISO sets out international, non-proprietary numerical codes on a var......
International bearing steel grade
Introduction
Bearings are metal parts used to join two objects or components together allowing them to move with minimal friction and rotational forces. Steel is the metal that is mainly used in the manufacture of bearings because of its excellent resistance to wear and wear-perfectly balanced st......
Comparison table of commonly used steel grades at home and abroad (2)
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Steel Numbering System
When working with steel, its important to understand the different components and types of steel that are commonly used around the world. One key way of quickly identifying different types of steel, particularly across international borders, is to know the various steel num......
Comparison of world steel grades (high-quality carbon structural steel)
World Steel Number Reference for High-Quality Carbon Structural Steels
The World Steel Number (WSN) is an internationally accepted standard for grading steel. It is used to identify steel by its specific chemical composition, properties, and make up. The World Steel Number System is divided into ......
Grades of Alloy Structural Steel
Alloy structural steel grades include: Q345, Q390, 45Mn2, 15Cr, 20Cr, 25Cr, 30Cr, 35Cr, 40Cr, 20CrMnTi, 20CrNiMo, 30CrMnSiA, 38CrMoA1, 42CrMoA、20CrNiMo2, 25Cr2Mo1VA and so on.
Q345:
It is widely used in construction, bridge and other fields because of its excellent performance. The equivalent of......
Designation, chemical composition, heat treatment system and mechanical properties of alloy structural steel
Introduction
Alloy structural steels are referred to as medium-carbon steels that are alloyed with elements such as manganese, silicon and molybdenum to strengthen them. Their use for buildings, railway bridges and shipbuilding is an example. Alloy structural steels are generally divided into thr......
Technical delivery conditions for heat-resistant steel castings (DIN 17465-1993)
DIN 17465-1993
Heat Resistant Steel Castings Delivery Conditions
1. Introduction
This document (DIN 17465-1993) presents technical delivery conditions for heat resistant steel castings. It is applicable to castings in the categories of unalloyed and alloyed heat resistant precipitation hardenin......
Representation method of my country's steel grades
China Iron and Steel Association (CISA) is the leading organization for iron and steel industry in China, representing most of the iron and steel companies and related industries. The association is an important link between the government and the iron and steel industry and plays a key role in th......
Steam turbine steel casting technical requirements ZB K54 038-90 instead of JB 3285-83
来说明
Technical Conditions for Cast Steel Parts of Steam Turbines ZB K54038-90 Replacing JB3285-83
Steam turbines are widely used in various industries for converting thermal energy into mechanical energy to power pumps, compressors, and generators. Compared with other types of turbines, steam tu......
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