Stainless Steel

Doc # KSSC/MFG/17

Stainless Steel Normally Being Used Is As Under:

  • Forceps and its related instruments manufactured by Stainless Steel of grade AISI 410
  • Scissors and its related instruments manufactured by Stainless Steel of grade AISI 410/420
  • Tweezers and its related instruments manufactured by Stainless Steel of grade AISI 410
  • Scalars and its related instruments manufactured by Stainless Steel of grade AISI 410/420
  • Pliers and its related instruments manufactured by Stainless Steel of grade AISI 410
  • Root Elevators and its related instruments & Handle manufactured by Stainless Steel of grade AISI 304
  • Rod & point manufactured by stainless steel of AISI410
  • Surgical Hollow Wares & other items made out of sheet like speculum retractors manufactured by stainless steel of grade AISI 304

Properties of the stainless steels are:

AISI 410 Grade:

  • Carbon: 0.09 to 0.15 %
  • Manganese 1.0% maximum
  • Phosphorus: 0.040% maximum
  • Sulphur: 0.030% maximum
  • Silicon: 1.0% maximum
  • Chromium: 11.5% to 13.5%
  • Nickel 1.0% maximum

AISI 420 Grade:

  • Carbon: 0.16 to 0.25 %
  • Manganese 1.0% maximum
  • Phosphorus: 0.040%
  • maximum
  • Sulphur: 0.030% maximum
  • Silicon: 1.0% maximum
  • Chromium: 12% to 14%
  • Nickel 1.0% maximum

AISI 304 Grade:

  • Carbon: 0.07 % maximum
  • Manganese 2.0% maximum
  • Phosphorus: 0.045% maximum
  • Sulphur: 0.030% maximum
  • Silicon: 1.0% maximum
  • Chromium: 17% to 19%
  • Nickel 8.0% to 11.00%

Use of  Abbreviations in daily basis:

Str. –  Straight
Cur. – Curved
M –     Magnet
NM –   Non-Magnet
S/B –  Sharp/Blunt
B/B –  Blunt/Blunt

S/S –  Sharp/sharp
S.S. – Stainless Steel
C.P. – Chrome-Plated
P/P – Point/point
S/J –   Screw Joint
B/J –   Box Joint