Back

Micro alloy – High strength steel

Micro alloy – High strength steel

Stamping

Fine blanked parts for Auto

Bearing etc

Electrical stampings

Types of Grades
  • ST42
  • ST59
  • SAPH440
  • SAPH590
Grade Standards Description %C (Max) %Mn (Max) %S (Max) %P (Max) %Si (Max) Others UTS (N/mm²) YST (N/mm²) %ELG (N/mm)
HR43F35 BS1449 SEC1.4 High strength formable grades 0.12 1.2 0.03 0.03 Steel Nb + Ti Treated 430 min 350 23
HR43F40 BS1449 SEC1.4 High strength formable grades 0.12 1.2 0.03 0.03 460 min 400 20
ZSTE340TM EN10149 High strength formable grades 0.12 1.5 0.025 0.015 0.5 Nb-0.09 max, V-0.20 max, Ti-0.15 max 430-550 340 19
QSTE500TM EN10149 High strength formable grades 0.12 1.5 0.025 0.015 550-700 500 16

Applications

Automatic gear housing

Buckle lifter rear seatbelt

Friction disc

Retractor base seatbelt