Quality Control
At ALOK, we view quality and continuous improvement as the basis of the company’s policy and growth. Our team of highly motivated Quality Control Engineers, Metallurgists and Chemists strive continuously to meet the demands of our global customers. We are one of a handful of companies to be accredited with PED AD 2000 Merkblatt W 0 and ISO/TS 16949:2009 by TUV Nord
Quality is a fundamental part of our business philosophy, which says ‘if minute details are taken care of during the process, the end-product will take care of itself’. This dedication is reflected in the high quality of every product which comes out from the factory. As a result, our customers can rely on a product of undisputable quality, reliability, dependability and durability.
Our Quality and Inspection department is fully equipped with the following testing equipment, which are regularly calibrated.
“Excellence is never an accident,
It is an act of deliberate design .”
- A fully equipped Chemical Laboratory for wet analysis
- Optical Emission Spectrometer
- Radiation Detector Meter
- 60 Ton Universal Testing machine
- Hardness Tester – Rockwell and Brinell
- Impact Testing machine V Notch
- Crack testing
- Billet Samples, Acid Etching
- Handheld spectrometer to identify grade
- Microscope with and image analyser
- Apparatus to check Jominy Values
Standards Maintained
| EN | Our Tolerance | ASTM | Our Tolerance | |
| Hot Rolled Round Bar Tol. | En 10060 | +/- 1.3% of dia | A 29 / 29 M | – |
| Hot Rolled Square Bar Tol. | En 10059 | – | A 29 / 29 M | – |
| Flat Bar Tolerance – Hot Rolled | EN 10058:2003 | – | – | – |
| Bright Bar Tolerance | EN 10278/DIN 668 | – | – | – |
| DIN 671 | ||||
| Round, Hexagon, Square & Flat bars – Drawn | EN 10278 / ISO 286-2 | h9, h11 | – | – |
| Surface Defect | 1% max. on diameter | Class B | – | – |
| Magnetic Particle Inspection for Surface Defects | – | E 709 | – | |
| Straightness Tolerance for Black Bar | 3 to 5 mm/1000 mm | – | – | – |
| Straightness Tolerance for Bright Bar | 0.5 mm/1000 mm | – | – | – |
| Cleanliness | DIN 50602 | K4 < 40 | E 45 | A,B,C & D < 2.5 |
| Macro Billets (CC) | – | E 381 | Better than C2 R2 S2 | |
| Grain Size | – | E 112 | 5 to 8 | |
| Ultra Sonic Test | SEP 1921 | C/c | A 388 | 2-4 mm fbh (-6dB |
| En 10308 | Type 1A, Tab 2, Cl 4 | – | drop technique | |
| En 10228 | Type 1A, Tab 5, Cl 4 | – | – |
Certificates
Environment Friendly
ALOK is committed to being an environmentally friendly company with over 85 % of our raw material comprising of ferrous scrap. We are able to reduce our carbon emissions by expending less energy and reducing air pollution by over 80%. Sourcing scrap metal from reputable suppliers across the globe ensures zero radioactivity in our raw material.
It is not just complying with, but, we cherish & uphold all the great value systems as envisioned by the Government. For example we do NOT employ child labour. We pay all the applicable duties and taxes.