Quality Control
Quality Control
At Special Inox Materials Inc, 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 .
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.
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 | – | – |