AISI 4140 is a chromium molybdenum alloy steel specification widely used in the oil and gas industry. Similar to grade AISI 4130 but with a slightly higher carbon content.
ASTM SAE1026 Carbon steels are steels that contain only carbon as their specific alloying element.
Sunny Steel offers an extensive range of EN 10305 seamless precision steel tube.
DIN 2391 standard specifies the Seamless steel tubes used forMechanical and Automobile.
This part of EN1026 specifies the technical delivery conditions in two test categories for seamless tubes for circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
EN 10216-2 is a European standard suitable for seamless steel tubes for pressure purposes.
DIN 17175 alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes.
DIN 1629 is the standard specifies the Seamless Circular Tubes of Non Alloys Steels with Special Quality Requirements.