Alloy Steel Buttweld Elbows, Tees, Reducers, Caps, Stub Ends, and Pipe Bends are available in seamless, welded, fabricated, and ERW construction for industrial and high-pressure piping systems.
ARK Stainless Inc is a manufacturer, supplier, and exporter of Alloy Steel Buttweld Fittings manufactured according to ASME B16.9, ASME B16.28, and MSS SP-43 standards in multiple schedules, wall thicknesses, and custom project dimensions.
These Alloy Steel Pipe Fittings are widely used in refinery piping, boiler systems, power plants, petrochemical industries, offshore piping, pressure vessels, and thermal processing units operating under elevated temperature and high-pressure service conditions.
The fittings are supplied for applications requiring higher tensile strength, wear resistance, oxidation resistance, and long service life in industrial process piping systems.
Black painting, anti-rust oil coating, sand blasting, and custom surface finishes are available as per industrial operating conditions and project specifications.
| GRADE | SCHEDULE | NOM. PIPE SIZE |
|---|---|---|
| ASTM/ASME A234 WPB / A234 – MSS-SP-75 A/SA234 WP1, WP5, WP9, WP11, WP22, WP91 | SCH 10S | 1/2" – 24" |
| SCH 40S | 1/2" – 12" |
| GRADE | SCHEDULE | NOM. PIPE SIZE |
|---|---|---|
| ASTM/ASME A234 WPB / A234 – MSS-SP-75 A/SA234 WP1, WP5, WP9, WP11, WP22, WP91 | SCH 10S | 1/2" – 12" |
| SCH 40S | 1/2" – 12" | |
| SCH 80S | 1/2" – 12" |
ARK Stainless Inc is a manufacturer, supplier, and exporter of Alloy Steel Buttweld Fittings widely used for boiler systems, heat exchangers, condensers, offshore oil drilling applications, petrochemical plants, power generation units, chemical processing industries, pharmaceutical equipment, gas processing plants, and industrial process piping systems operating under high pressure and elevated temperature conditions.
The product range includes Alloy Steel Buttweld Elbows, Tees, Reducers, Caps, Stub Ends, and Pipe Bends manufactured for steam lines, fluid transfer systems, structural piping, and heavy engineering applications requiring higher tensile strength and long service life.
These Alloy Steel Pipe Fittings perform well in chloride environments and industrial service conditions involving oxidation, stress corrosion cracking, pitting corrosion, crevice corrosion, and general corrosion exposure.
Applications also include seawater equipment, pumps, shafts, food processing plants, pulp and paper industries, rail components, road transportation components, military applications, and industrial transportation systems.
All fittings undergo hardness testing, hydrostatic testing, ultrasonic testing, radiography testing, flattening tests, flaring tests, macro tests, micro tests, and mechanical testing before dispatch. Material test certificates and third-party inspection support are supplied as per project requirements.