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JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 8)
Welding technology regulations of building steel structures according to JGJ81-2002(part 8)
Welding of steel structures is an important part of the construction technology of steel structures. In steel structure construction, welding is used to connect steel members, building components and addit......
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JGJ81-2002 Construction steel structure welding technical specification (fourth)
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......
Technical Specification for Waterproofing of Underground Engineering (GB50108-2001)
Underground Engineering Waterproofing Technology Specification (GB50108-2001)
This standard specifies the technical requirements and acceptance criteria of waterproof engineering design and construction, the process of detection, acceptance, maintenance and management of underground engineering w......
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......
Hollow steel for rock drilling rods (GB/T1301—1994)
Hollow steel, also known as hollow steel, is a kind of steel cross section made of uniform thickness rolled and welded steel, which is also called divided steel. It is an iron and steel material with different shapes and wall thicknesses. It is mostly used for steel columns, steel beams, steel sca......
China's current heat treatment standards
Introduction
Heat treatment is a process used in the manufacturing of metal products and components for the purpose of changing their physical and sometimes chemical properties. Heat treatment is used in a wide range of industries, including automotive, aviation, electrical and medical manufactu......
Alloy structural steel (GB 3077-88) (2)
翻译
Alloy Structural Steel (GB3077-88)(Two)
合金结构钢（GB3077-88）（二）
1. Scope
1.范围
This standard specifies the hot rolled and forging alloy structural steel, used for mechanical structures and components.
本标准用于规定热轧和锻造的合金结构钢，用于机械结构和零件。
2. Normative Referenc......
Corrosion-resistant alloy forgings (YB/T5264-1993)
Corrosion Resistant Alloy Forging
Introduction
The presence of corrosive elements in the environment can cause damage to metals and components, deteriorating their performance. Corrosion is a real threat to certain groups of metals, and it is important to understand that certain alloys are bette......
ISO9000 quality management and quality assurance series of international standards
ISO 9000 Quality Management and Quality Assurance Series International Standards
ISO 9000 is a family of quality management and quality assurance standards developed and published by the International Organization for Standardization (ISO). They are used primarily to certify an organization’s ca......
Germany has developed a steel that can be used for supercritical units at 650 degrees Celsius
Germany Developed Steel Suitable for 650°C Ultra-critical Unit
Germany has developed a new type of steel that is capable of withstanding temperatures as high as 650°C in an ultra-critical steam power unit. This steel grade is an austenitic stainless steel that is expected to become widely used ......
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