Summer in the City
Summertime in the city can be a magical experience. You don’t have to go very far to find something interesting to do – theres always something to explore. Summer in the city is a season of exploration and discovery.
No matter what type of activities interest you, there’s s......
解析
GB 6653-94 Welding Cylinder Steel Plate
This standard GB 6653-94 provides requirements, test methods, inspection rules and packaging, marking, quality of welding steel plates for manufacturing various types of gas cylinders.
1. Scope
This standard applies to welded steel plates are used to......
Technical Requirements of General Gas Detection Alarms in GB12358-90 Workplace Environment
The main purpose of this technical requirement is to standardize the requirements of general gas detection alarms used in the workplace environment, to ensure the safety of staff and the safety of workplace......
Chemical Etching
Chemical etching is a versatile fabrication process that involves very low waste material. It is also a fast, accurate and economical way of producing components. The process of chemical etching entails the removal of material from a metal, such as stainless steel, in order to cre......
SYNOPSIS
This GB 6654–1996 specifies the dimensions, shapes, masses, and permissible deviations of steel plates used for pressure vessels. The plates that are covered by this document are those with a nominal thickness of 4.75 mm or more, and a nominal width of 600 mm or more. The characteristic......
GB/T 706-1988 Hot Rolled Steel Angles Dimensions,Shape,Weight and Tolerances
This GB/T 706-1988 standard specifies the size, shape, weight, and tolerance for hot rolled steel angles. Hot rolled steel angles are widely used for many applications, such as various structures and engineering projects......
GB 6479-2000
Seamless Steel Pipes for High Pressure Fertilizer Equipment Manufacture and Delivery State
This standard deals with the seamless steel pipes that are used in high pressure fertilizer equipment, specifying the requirements and delivery states of the pipes.
1. Scope
This standard spe......
GB/T 6725-1992 Cold-bent steel technical conditions
This general technical conditions for cold-bent steel GB/T 6725-1992 stipulates the order and technical requirements for the cold-bent of steel plates and narrow strips.
This code is applicable to cold-bent steel plates with thickness of ≤1.5......
GB/T912-1989 Hot-rolled carbon structure and low alloy steel plate and strip
GB/T912-1989 is a technical specification issued by Chinas National Standardization Management Committee specifically for hot-rolled carbon structure and low alloy steel plate and strip. It regulates the requirements, te......
Abstract
This specification covers general requirements for wrought stainless steels and heat resisting steels in the form of bars, billets, blooms, and forgings for general requirements. The steel shall conform to chemical composition requirements, in which cost-effectiveness shall be considered......