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Low temperature Charpy impact test method for metals GB 4159-84
，要求不少于2500 The Test Method of Low Temperature Charpy Impact Test for Metals
Low-temperature Charpy impact test is a kind of mechanical test which is usually used to measure the impact properties of metals. It is a test method used to measure the energy absorbed by a metal during fracture unde......
1045 
Alexis
Metal Charpy (U-notch) impact test method GB229-84
Metal Charpy (U-notched) Impact Test Method
The Charpy impact test, also known as the Charpy V-notch test, is a type of fracture testing methodology. It is used to determine impact fracture strength of particular metals. The Charpy U-notch test method, as specified in GB229–84, is intended to pr......
GB 12827-91 standard reference acetylene carbon black and identification method
Carbon black refers to black powdery or granular material, which is composed of many tiny particles with the average particle size of between 10 and 2000 nanometers. It is composedot many carbon atoms buthydrophobic in nature. Carbon black can be prepared by pyrolysis of hydrocarbons such as coal ......
Composite steel plate performance test method GB 6396-86
Composite Steel Plate Overview
Composite steel plate is a type of steel product made of two distinct layers. The layers are joined together with a bonding process to create a single piece of steel plate. The plate typically consists of a lower layer of high-strength steel and an upper layer of lo......
General Standard for Alloy Structural Plates, Wires, Tubes, and Forgings
Standard for Alloy Structural Steel Plates, Wires, Tubes and Forging Parts
This Standard defines relevant classification of alloy structural steel plates, wires, tubes and forging parts (hereinafter referred to as “structural steel”). The sizes and shapes of products are subject to the size and......
Surfacing welding rod GB 984-85
Welding is an important process when it comes to manufacturing various objects and structures. Welding is a process by which two or more materials are joined to form a single, solid piece. It is typically performed by applying heat and pressure to the materials, usually in the form of welding rods......
Iron cobalt vanadium permanent magnet alloy (GB/T14989-1994)
Introduction of Permanent Magnet-Iron Cobalt Vanadium Alloy (GB/T14989-1994)
Permanent Magnet-Iron Cobalt Vanadium Alloy (GB/T14989-1994) is a new type of permanent magnetic alloy. This alloy is composed of iron, cobalt and vanadium, which are important elements of modern new materials. Magnetic ......
1Cr18Ni9Ti use
，主题为1Cr18Ni9Ti的用途
1Cr18Ni9Ti, also known as AISI type 321, is a stainless steel alloy containing 18-20% chromium and 9-11% nickel. This alloy is increasingly used in chemical and refining, petrochemical and industrial applications due to its exceptional properties.
When compared to other st......
20CrMn use
20CrMn is a kind of alloy structural steel, and its mechanical properties greatly exceed that of ordinary structural steel. It is used for important parts in various machines, and its performance is very positive for engineering machinery structures.
First of all, the most important use of 20CrMn......
11SMnPb37 uses
EN AW-2011
EN AW 2011 (aluminum-magnesium-silicon alloy) is a well-known aluminum-based alloy that is used in many applications due to its excellent mechanical and thermal properties. The alloy is commonly used in transportation, formwork, and aerospace industries. The excellent mechanical proper......
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