Important
Notice: Industrial Engineering Corporation (IEC) operates only from its registered factory
address and has no sister concerns or affiliates.
If you receive any
suspicious or fraudulent documents (MTCs
etc.), please verify via iec@iecbombay.com .
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 |