Stainless, Duplex and Super Duplex steel Flanges
Our stock program comprises
| ANSI – FLANGES |
| • | Welding-neck, Slip-on, Blind, Socket-weld, Screwed, Lap‑joint and Long welding-neck flanges. |
| • | Dimensions and tolerances in accordance with ANSI/ASME B16.47, series A and B, MSS-SP44, API 605, BS 3293,EN 1092-1. |
| • | Pressure classes from 150, up to and including 600 lbs. Sizes from 0,5˝ N.B up to and including 36˝. |
| • | Pressure classes from 900, 1500 and 2500 Sizes from 0,5˝ N.B up to and including 16˝. |
| MATERIAL GRADES |
| Austenitic Stainless Steel | |||
| ASTM / ASME – SA 182 | F304 F304L F304H F316 F316L F316TI F321 F321H F347 F347H F310 F317 F317L F44 |
UNS | S30400 S30403 S30409 S31600 S31603 S32100 |
| Duplex Steel | |||
| F51 F53 F55 |
S31803 S32750 S32760 |
| EN – FLANGES |
| • | Welding-neck, Slip-on, Blind- and Lap-joint flanges. |
| • | Dimensions in accordance with DIN and‑ISO 7005-1. |
| • | Pressure classes from PN 6 up to and -including PN 420. |
| • | Sizes from DN 10 up to and including DN‑1200. |
| MATERIAL GRADES |
| Austenitic Stainless Steel | |||
| DIN 17440 | w.nr. | 1.4301 1.4306 1.4541 1.4550 1.4401 1.4436 1.4404 1.4435 1.4571 1.4841 1.4438 1.4439 1.4539 |
|
| Duplex and Super Duplex Steel | |||
| SEW 400/V.D. TÜV 418 | F51 F53 F55 |
1.4462 |
| EXOTIC AND NICKEL ALLOYS |
| Pro Alloy bv stocks billets and forgings in a wide variety of nickel and titanium alloys. |
| SPECIALS |
| Our own factory and in-house machine shop enable us to produce Flanges, Forgings, Nozzles, Fittings and other products to customer requirements on an emergency basis. |
| QUALITIY ASSURANCE, CONTROL AND TESTING |
| We are familiar with additional testing and -certification in accordance with national and international standards and specific customers’ requirements.
Since 1988, our company is ISO 9001 certified. Our products are manufactured by reputable manufacturers and accepted by all major Chemical, Petrochemical and |