Search results for keyword: content
Alloy structural steel (GB 3077-88) (7)
Alloy structural steel (GB 3077-88) (VII)
Alloy structural steel (GB 3077-88) (VII) refers to steel alloys which are widely used in engineering and construction applications such as automobiles, bridges and buildings. These alloys consist of iron, carbon and other alloying elements such as nickel......
1060 
Sophie
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......
Agricultural composite steel (YB/T5003-1993)
Introduction
Farm use composite steel is a type of boneless steel. It is made of composite steel tube, cylindrical steel and flat steel. In 1993, the Ministry of Agriculture issued the national standard YB /T5003-1993 for farm use composite steel, which stipulated the production technology, size,......
Alloy structural steel bars for steam turbine bolts (YB/T158-1999)
Turbine bolt alloy steel bar (YB/T158-1999) Introduction
Turbine bolt alloy steel bar, also known as turbine rotor head bolt steel bar, is an important material widely used in the power industry. It is mainly used as a connecting bolt in turbines, generators and other high-speed and heavy-duty ro......
Metal pipe hydraulic test method GB 241-90
，请尽快
Hydraulic Testing of Metal Tubes
Hydraulic testing of metal tubes is a type of test that is used to test the pressure capability of a tube. It applies hydraulic pressure to different points of the tube, to determine its strength and durability. This type of testing is important for a vari......
Japan Scrap Iron and Steel Classification Standard
Classification Standards for Japans Scrap Iron and Steel
Scrap iron and steel are by-products of a variety of industrial activities. In Japan, scrap iron and steel is classified according to its source. The classification system for scrap iron and steel has been developed by the Ministry of Econ......
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 ......
Evolution of GB/T 1220 Standard for Stainless Steel Bars
GB/T 1220 Standard Evolution of Stainless Steel Bars
The history of the development of a variety of industry standards and regulations, including those related to stainless steel bars (SSBs), began nearly two decades ago, when the standard of GB/T 1220 was initiated and announced in 1998. The sta......
JGJ81-2002 Construction steel structure welding technical specification (twenty-nine)
Steps for Welding Steel Structures According to JGJ 81-2002
Welding of steel structures is an important process in the construction and manufacturing industry. In the past, welding processes were largely undocumented and the industry relied on trial and error methods of welding that were often ti......
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 32)
Welding technique in architectural steel structures referred to the requirements of JGJ81 - 2002
Architectural steel structures refer to the structures of buildings, bridges, automobiles and ships constructed by metal materials. In terms of steel, it is the skeleton composed of various metal allo......
Popular Entries
- Spanish heat-resistant steel steel grade
- Faults caused by incorrect mixing ratio of gasoline and engine oil
- How lifts work
- overseas trade
- London Exchange Alternative Investment Market
- Zibo Fushan Mining Co., Ltd.
- ГOCT 5949-1975 Specifications for corrosion-resistant, heat-resistant and heat-strength steel bars and cold-worked products
- Brinell/Rockwell hardness conversion table
- Zhangjiagang Rural Commercial Bank
- thermodynamics thermodynamics
- re-election workshop design
- employee satisfaction
- Density of diamond
- Rationalized Global Planning Model
- digital wallet
Recent Updates
- continuous casting
- ГOCT 5949-1975 Specifications for corrosion-resistant, heat-resistant and heat-strength steel bars and cold-worked products
- overseas trade
- shipping
- Korea Xinsheng Shipping Co., Ltd. Shanghai Office
- Hamilton's Protectionist Trade Doctrine
- Rationalized Global Planning Model
- Heckscher-Ohlin model
- black market price
- buy each other
- principle of reciprocal treatment
- The unit that accepts entrusted customs declaration
- reciprocal tariff
- sliding tariff
- digital wallet
- horizontal trade
Copyright © 2016 - 2024 by metal-knowledge.com. All rights reserved