Materials & Coating
Industrial Engineering Corporation (IEC) has many years experience in the manufacture of
fasteners in a wide range of materials.
Our range of strategic bar stock gives us the aility to offer a rapid delivery response time in
order to meet customer requirements.
Our scope of supply includes, but is not limited to,
the grades listed below.
Grades For Bolts / Studs
| IS/ISO/DIN | Grade 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9 |
| ASTM A 193 | Grade B5, B6, B6X, B7, B7M, B16, B8/B8M/B8T (CI 1 & 2) / B8C |
| ASTM A 307 | Grade A & B |
| ASTM A 320 | Grade L7, L7M, L43/B8, B8C, B8M, B8T-(CL 1 & 2) / B8MA, B8CA-(CL A1) |
| ASTM A 325 / A 490 | Type 1 |
| A 453 | Grade 660 Class A, B, C & D |
| SA 540 | Grade B21, B23, B24 |
| EN 10269 | Grade 21CrMoV5-7, 25 CrMo4, 34CrNiMo6, 30CrNiMo8 |
Grades For Nuts
| IS/ISO/DIN | Grade 4, 5, 6, 8, 10, 12 |
| ASTM A 194 | Grade 2H, 2HM, 3, 6, 7, 7M, 8, 8M, 8T |
| ASTM A 563 | Grade A, B, C, D & DH |
Stainless Steel
| 304 | 304L 347 |
| 310 | 316 |
| 316L | 321 |
| 410 | 420 |
Exotic Alloy, Duplex & Super Duplex
| Monel | 400 / K500 |
| Hastelloy | B3, C22, C276 |
| Inconel | 600, 601, 625, 718, 825, 925 |
| Duplex /Super Duplex | UNS S32760, UNS S32750, UNS S31803 |
Surface Coating
We provide extensive range of plating & coating designed to withstand harsh conditions such as:
Plating
| Zinc - ASTM B633 |
| Cadmium - ASTM B766 |
| Zinc Nickel - ASTM B841 |
| Electroless Nickel - ASTM B733 |
| Phosphate - ASTM F1137 |
Galvanising
| Hot Dip Galv - ASTM A153 |
| BS EN ISO 1461 : 1999 |
Coating
| Xylan 1070, 1014, 1424 |
| Ceramic Coating -Xylar 2 (Two layers of Xylar 2), burnished to achieve a surface resistance of less than 1 Ohm and a dry film thickness (DFT) greater than 50 microns. |
| Aluminizing |