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JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 6)
Welding Technology Specification for Steel Structures in Building Construction of JGJ81-2002 (VI)
Welding is a commonly used technology in steel structure building construction. In order to promote the standardization of welding technology and reduce welding defects, the welding technology specif......
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JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 18)
Welding Technology Regulation (18) on Steel Structures in BuildingsJGJ81-2002
The article originates from the national industrial production standard (JGJ81-2002) for the construction of steel structures. It is about the welding technology regulation of the steel structures.
The article consis......
JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 12)
JGJ81-2002 Building Steel Structure Welding Technology Specification (Twelfth)
Welding technology specification of the building steel structure (JGJ81-2002) is an important specification of the construction industry. It is applicable to the welding of steel structure. Its object is to set the lim......
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......
GB/T 4162-91 Ultrasonic Inspection Method for Forged Steel Bars
材料
Abstract
Ultrasonic testing is an important technique for detection of rolling defects in steel bars. Ultrasonic testing is typically used to detect internal flaws, such as cracks and other discontinuities, that cannot be detected by visual inspection. GB／T 4162–91 regulates the ultrasonic ......
Eddy current test method for titanium and titanium alloy pipes GB/T 12969.2-91
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......
GB 5126-85 Eddy current testing method for aluminum and aluminum alloy cold-drawn thin-walled pipes
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......
Regulations on the Safety Management of Hazardous Chemicals
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......
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 ......
Niobium plate, strip and foil GB 3630-83
Introduction
Molybdenum plate, strip, and foil are pieces of molybdenum produced by rolling, forging, or drawing under high temperatures and pressures. They are used in a variety of applications, from aerospace engineering to industrial machinery and medical equipment. Molybdenum has many unique q......
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