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Quality at Saiji Rolling Mills



 

Saiji Steels is committed to achieve excellence in its entirety. The company has been certified with ISO 9001:2000 for its quality management system at par with global standards. Besides, there is a well audited quality system to ensure the international quality standards on continuing basis.

 

Quality Control

Saiji Steels is firmly determined to offer products, which are in-compliance with international quality standards. To ensure the same, stringent quality control measures are followed at entire business operation. There is an in-house quality testing section equipped with highly advanced quality testing equipment. Experienced professionals from in-house Quality Assurance and Control (QA & C) department conduct testing for each product on different parameters.

 

Quality Testing

Following quality testing steps are applied:

Chemical Analysis
Materials are tested for various constituents using sophisticated equipment like optical emission spectrometers, all with different combination of bases. All the spectrometers are standardized before application. It is ensured to use use right metal is used in process systems.  

Mechanical Testing
A team of highly qualified and skilled personnel in combination with state-of-the-art quality testing equipment undertakes complete testing like:

•  Impact Testing

•  Tensile Testing

•  Hardness Testing

•  Microstructure Testing



Impact Testing
Premium quality impact testing machines are capable to conduct impact test up to minus 196 Degree C.

Tensile Testing
Universal Testing Machine is used to test the metals with strength up to 1000 kN. TMT bars can be tested up to 30 mm capacity as per IS 1786 without machining.  

Hardness Testing
There a host of Hardness testing equipment duly calibrated by internationally known auditors.  

Micro Structure Testing
Micro structure testing is done through Image Analyzer.

Corrosion Testing
IGCT tests are carried out as per ASTM standards. Corrosion test like salt spray is also done.

 

Standards

Saiji Steels follows strict quality measures as per the international quality standards. The brief of the product standards as compared with others are as under :

As per IS:1786-1985 Grade Fe-500

Element

Unit

BIS Standard

SAIJI Standard

0.2 % Proof Stress

N/mm2(min)

500

530

Yield Strength

N/mm2(min)

545

620

Tensile Strength

N/mm2(min)

545

620

Elongation

96 (min)

12

16(min)

Bend test -Mandrel dia as per IS:1786-1985 bend up to 22mm over 22mm

 

3 @

4 @

4 @

5 @

Satisfactory

3 @

4 @

Rebend test

Mandrel dia=5@ upto and including 10mm

Mandrel dia=7@ and over10mm

5 @

7 @

Satisfactory

Satisfactory

% of Carbon

Max

 

0.22

% of Sulpher

Max

 

0.045

% of Phosphorus

Max

 

0.045

% of Sulphur & Phosphorus

Max

 

0.09