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Gray iron castings (abstract) GB 9439-88
Abstract
GB 9439-88 is a national standard for gray cast iron parts. Gray cast iron is a type of cast iron which has an even surface and a dense microstructure with excellent mechanical properties and wear resistance. This standard specifies the requirements, test methods, acceptance criteria, ma......
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Stalk chopping and returning machine jb51235-1999
Introduction
The jb51235-1999 is a tractor-mounted stalk cutter that is often used in the tilling of fields. This machine consists of a frame, a rotary cutter, an engine, and a transport wheel. The frame consists of a heavy-duty steel frame and provides a stable platform for the machine when it i......
JGJ81-2002 Welding Technical Regulations for Architectural Steel Structures (Part 2)
Welding process is a method of joining two or more metal parts by using heat and pressure.Heat generated by electric arc, resistance or other process melts the two parts and fuses them together, and then applying pressure joins them together. Compared to other joining processes, welding is general......
Ultrasonic inspection method for titanium and titanium alloy pipes GB/T 12969.1-91
，以GB/T 12969.1-91 Ultrasonic Inspection Method for Titanium and Titanium Alloy Tubes 为主题。
Ultrasonic Inspection Method for Titanium and Titanium Alloy Tubes (GB/T 12969.1-91)
Titanium and titanium alloys are important materials in modern industrial production, primarily used in aircraft engi......
Mechanical Properties of Japanese Standard Spheroidal Graphite Type Austenitic Cast Iron
Mechanical Properties of Pearlitic Cast Iron According to Japan Standard
Introduction
Cast iron is a widely used material in industry due to its high strength and low cost. It is known as a brittle material, and while it has high strength, it is also very fragile and can fracture easily. However......
Range of Mechanical Properties of Japanese Standard Spheroidal Graphite Austenitic Cast Iron
Mechanical Properties of Japanese Standard Spherical Graphite Pearlitic Cast Iron
Introduction
Japanese Standard Spherical Graphite Pearlitic Cast Iron is a unique material that is used in various industrial applications. It consists of a combination of spherical graphite, pearlite and ferrite. ......
Dimensional tolerances of castings with casting hardness test blocks (abstract) GB 6414-861
Introduction
GB 6414-861 is a national standard about castings in China. The main purpose of this standard is to specify the dimensions, tolerances and hardness test requirements for different types of castings.
Definition of GB 6414-861
GB 6414-861 is a standard for Castings. It specifies the ......
Corrosion-resistant alloy hot-rolled plate (GB/T15009-1994)
Corrosion Resistant Alloy Hot Rolled Sheets
Corrosion resistant alloy hot rolled sheets, or CORAHR, are sheets made from special alloys that are designed to have both high strength and corrosion resistance. This type of sheet metal is used for a variety of applications in industries such as aeros......
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......
Gray cast iron (GB/T9439-1988)
Gray casting iron (GB/T9439-1988)
Gray cast iron, commonly known as cast iron, is a metal alloy consisting predominantly of iron with carbon and silicon as the main alloying elements. Gray cast iron has a comparatively high strength and wear resistance, and is used in a wide variety of applicatio......
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