EN 10297-1 E355+N seamless steel pipe
E355+N under EN 10297-1 standard is a cold-processed seamless steel pipe with the following characteristics:
Optimized chemical composition: moderate carbon content, adding micro-alloy elements to improve strength
Excellent mechanical properties: minimum yield strength 355MPa, good ductility and impact toughness
Normalizing treatment (N): improve organizational structure and improve comprehensive performance
Application scenarios:
High-stress components in the machinery manufacturing industry
Hydraulic system pipelines
Transmission shafts and chassis components in the automotive industry
High-strength structural parts of engineering machinery
EN 10210-1 S355J2H seamless steel pipe
EN S355J2H of 10210-1 standard is a hot-formed seamless structural pipe with the following features:
Stable high temperature performance: suitable for hot processing and forming
Excellent weldability: J2 grade guarantees the performance of welded joints
High impact toughness: -20℃ impact energy meets the standard
Typical applications:
Building steel structure (gymnasium, airport terminal)
Bridge engineering main structure
Offshore platform jacket
Heavy equipment support structure
EN 10216-3 P355NH TC1 seamless steel pipe
EN 10216-3 P355NH TC1 is a seamless steel pipe for pressure equipment, with:
High temperature performance: suitable for boiler pressure vessels
Fine grain control (TC1): Improve creep resistance
Strict non-destructive testing: Ensure pressure safety
Main uses:
Power station boiler superheater, reheater
Petrochemical high temperature and high pressure pipeline
Nuclear power plant auxiliary system pipeline
Process industry reactor pressure shell
These three types of steel pipes are designed for different industrial needs, from general machinery manufacturing to key pressure equipment, reflecting the European standard system's precise control of material properties and professional division of labor. When purchasing, the appropriate grade should be selected according to the specific working conditions, medium characteristics and design life requirements.
Post time: May-20-2025
