Paras Engineering Works makes alloy steel ASTM A234 WP5, WP9, WP11, WP22 and WP91 and duplex / super duplex ASTM A815 S31803, S32205, S32750 and S32760 pipe fittings, plus A182 F5–F91 and F51, F53, F60 forged fittings and flanges.
Alloy steel (chrome-moly) grades
Chrome-moly alloy fittings are used in boiler, power and refinery heater piping. Paras makes:
| Butt weld (ASTM A234) | Forged & flanges (ASTM A182) |
|---|---|
| WP5 | F5 |
| WP9 | F9 |
| WP11 | F11 |
| WP22 | F22 |
| WP91 | F91 |
Duplex and super duplex grades
Duplex stainless steels combine austenite and ferrite for strength and corrosion resistance in oil & gas, petrochemical and shipping service. Paras makes:
| Butt weld (ASTM A815) | Forged & flanges (ASTM A182) |
|---|---|
| WPS31803 / WPS32205 (duplex) | F51 |
| WPS32750 (super duplex) | F53 |
| WPS32760 (super duplex) | F60 |
Where these grades are used
Alloy steel: power plants and boilers (often under IBR, for which Paras is approved), refinery heaters and steam lines. Duplex and super duplex: oil & gas, petrochemical, chemical and shipping. Paras serves all of these industries from its Vasai (E) works.