Quality Assurance


A trusted name by global corporates, Kalyani Carpenter Special Steels is recognized as a leading manufacturer of speciality and high alloy steel.

Committed to high standards of customer satisfaction and an ISO / TS 16949 : 2009 and AS 9100C certified Company, Kalyani Carpenter Special Steels has consistently demonstrated the ability to meet the most stringent quality assurance standards. Our mechanical & chemical testing labs have NABL accreditation.

quality

While we strive for continuous improvement, our advanced manufacturing processes and quality systems ensure sustained and consistent quality in our products and services.

Testing Equipments :

  • Direct reading emission spectrometers (28 channels) 02 nos
  • Mobile Spectrometers 04 nos
  • 7 Magnetic Particle Inspection machines & Eddy current testing machine
  • LECO Carbon & Sulphur Determinator
  • LECO Hydrogen Analyzer & Nitrogen/Oxygen Analyzer
  • Struers Metallographic Polishing machines.
  • Metallurgical microscopes with photography capabilities
  • Carl Zeiss microscope (HD-100) with image projection facilities.
  • Ultrasonic portable flaw detectors
  • Universal Tensile testing machine (UTM – 40 T) with electronic tensometer
  • Impact at subzero temperature
  • Jominy end quench equipment
  • Electric muffle furnaces for heat treatment
  • Wet analysis lab
  • Rockwell, Brinell and Vickers hardness testing machines.
  • At Ranjangaon: Eddy Current Tester, Grade Sorter, Laser Micrometers

LECO Nitrogen & Oxygen Analyser & LECO Carbon & Sulphur Determinator

LECO Nitrogen & Oxygen Analyser & LECO Carbon & Sulphur Determinator

LECO Hydrogen Analyser

LECO Hydrogen Analyser

Mobile Spectrometer

Mobile Spectrometer


Additional Testing Facilities :

  • Nitrogen Channel ARL Spectrometer
  • Struers Semi Automatic sample polishing Machine
  • Online ECT and UST Machine
Metallurgical Microscopes with Photographic Capabilties

Metallurgical Microscopes with Photographic Capabilties

Universal Tensile Testing Machine (UTM-40T)

Universal Tensile Testing Machine (UTM-40T)

Magnetic Particle Inspection

Magnetic Particle Inspection


Metallurgical Committments :

Grade & Composition AS PER SPECIFICATION
Residuals(%) ELEMENT CURRENT (Max.) COMMITMENTS (Max.) LEVEL AT KCSSPL
Ni 0.25 0.10
Cr 0.20 0.10
Mo 0.10 0.05
Cu 0.25 0.10
Sn 0.03 0.015
Al 0.02 / 0.06 0.02 / 0.04
H2
2.5 ppm (Present level 2 ppm)
Gases
O2 on low carbon  20 ppm (15 ppm max. for customer specific) O2 medium carbon 15 ppm (10 ppm max. for bearing grade 15 ppm max. for martensitic valve steel N2 80 ppm (Possible to control in restricted  range), up to 4200 ppm for valve  steel SPECIAL REQUIREMENT CAN BE TAILOR MADE

Special Requirements can be tailor made.

INTERNAL SOUNDNESS
1. MACROETCH (ASTM-E-381)
C2, R2 S2 MAX
2. ULTRASONIC TEST
20% D.E. MAX. NO LOSS IN B.W.E.
CLEANLINESS (INCLUSION) (AS PER ASTM-E-45) TYPE THIN (Max.) THICK
A 1.5* 1.0
B 1.0 1.0
C 1.0 1.0
D 1.0 1.0
(* depends on %S)
AS PER DIN 50602
K4        –       10 MAX.
STEP DOWN AND BLUE FRACTURE TEST CAN ALSO BE ENSURED AS PER CUSTOMER SPECIFICATIONS
GRAIN SIZE
5 – 8 AS PER ASTM E-112 (Grade specific)
HARDENABILITY POINT SPEC.
WITHIN 6 HRC MAX. FOR SINGLE
SURFACE DEFECT DEPTH
0.30 mm  MAXIMUM ( For rolled bars)