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High Carbon steel

High Carbon steel

Spring Steel

Band saw

Bearing etc

Types of Grades
  • C75
  • C80
  • Value added H&T
Grade %C %Mn %Si %S %P YST Max Elongation% Spheroidisation
SAE1035 0.32 – 0.39 0.50 – 0.80 0.15 – 0.35 0.03 0.03 510 28 90
SAE1040 0.35 – 0.45 0.50 – 0.80 0.15 – 0.35 0.03 0.03 510 28 90
SAE1045 0.42 – 0.50 0.50 – 0.80 0.15 – 0.35 0.03 0.03 550 28 90
SAE1050 0.47 – 0.55 0.60 – 0.90 0.15 – 0.35 0.03 0.03 550 24 90
SAE1055 0.50 – 0.60 0.60 – 0.90 0.15 – 0.35 0.03 0.03 550 24 90
SAE1060 0.57 – 0.65 0.60 – 0.90 0.15 – 0.35 0.03 0.03 570 21 90
SAE1080 0.75 – 0.85 0.60 – 0.90 0.15 – 0.35 0.03 0.03 620 28 90
Grade Standards Description %C (Max) %Mn (Max) %S (Max) %P (Max) %SI (Max) %AI (Max) Others UTS (N/mm²) YST (N/mm²) %ELG (N/mm)
ST42 IS 5986 General structural steel 0.2 1.3 0.045 0.045 410-520 255 17
ST52 IS 5986 General structural steel 0.2 1.5 0.045 0.045 510-620 355 16
SAPH 38P JIS G 3113 Structural steels for automobiles 0.04 0.04 370 min 230 32
SAPH 41P JIS G 3113 Structural steels for automobiles 0.04 0.04 400 min 255 30
SAPH 45P JIS G 3113 Structural steels for automobiles 0.04 0.04 440 min 300 28

Applications

Ratchet handbrake

Electric Connector

Lock segment

Bearing case

Clutch

Seat regulator

Seat belt tongue

Lock latch

Spring locks

Lining fixing fastener

Transmission Chain