DIN 1629 Non-alloy steel seamless pipes
DIN 1629 is a German industrial standard for non-alloy steel seamless pipes, mainly suitable for fluid transportation, structural purposes and pipeline engineering.Main steel grades and their propertiesSteel TypeChemical compositi...
2024-10-14
Hot-rolled vs. Cold-rolled Stainless Steel Plates
Stainless steel plates are divided into two types according to the process in the manufacturing process: hot rolling and cold rolling.1. Hot-rolled stainless steel plateHot rolling is carried out under high temperature conditions,...
2024-10-14
Technical standards for oil casing
Common technical standards for oil casing include the following:·API 5CT: American Petroleum Institute standard, widely used in the global oil industry, covering dimensions, materials, mechanical properties and test methods.·ISO 1...
2024-10-12
Notes on the delivery length of seamless pipes
When purchasing and using seamless pipes, the delivery length is an important parameter that requires special attention. The following are several notes on the delivery length of seamless pipes:1. Length type· Fixed length: a spec...
2024-10-12
What is DSAW steel pipe?
DSAW (Double Submerged Arc Welded) pipe is a steel pipe manufactured by double-sided submerged arc welding process. Due to its high strength and superior weld quality, it is widely used in oil, natural gas, water pipelines and oth...
2024-10-11
ASTM A671 EFW Steel Pipe
ASTM A671 is a standard for arc-welded (EFW) steel pipes, suitable for pipeline transportation in atmospheric and cryogenic environments. ASTM A671 EFW steel pipes are commonly used in the oil, gas and petrochemical industries, an...
2024-10-11