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A stainless steel pipe elbow fitting is an industrial stainless steel elbow designed to change the direction of flow in piping systems. As a corrosion resistant stainless steel elbow manufactured as butt weld stainless steel elbow or seamless stainless steel elbow, it provides smooth flow transition with minimal pressure drop. Available in 90 degree stainless steel elbow, 45 degree stainless steel elbow, and 180 degree stainless steel elbow, these fittings meet international standards including ASTM A403 stainless steel elbow, ASME B16.9 stainless steel elbow, ANSI stainless steel elbow, DIN stainless steel elbow, EN 10253 stainless steel elbow, and JIS stainless steel elbow. Long radius (LR) and short radius (SR) options accommodate various space and flow requirements.

Stainless Steel Elbow Available Products and Standard

1. ASTM A403 / ASME SA403 

(Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings)

Type: 

• Stainless Steel Pipe Elbow Fitting

• Industrial Stainless Steel Elbow

• Corrosion Resistant Stainless Steel Elbow

Size Range:

• NPS: 1/2″ – 48″ (DN15 – DN1200)

• Wall thickness: Schedule 5S, 10S, 20S, 40S, 80S, 160, XXS

• Connection: Butt weld ends (beveled for welding)

Surface: Solution annealed, Pickled, Passivated, Mechanically polished (optional)

Testing: Chemical analysis, tensile test, hardness test, flattening test (for welded elbows), hydrostatic test (optional), NDE (radiography or UT per ASME B16.34), PMI, dimensional inspection (per ASME B16.9)

2. ASME B16.9 / ASME B16.28 

(Standard for Factory‑Made Wrought Butt‑Welding Fittings)

Type: 

• ASTM A403 stainless steel elbow

• ASME B16.9 stainless steel elbow

• ANSI stainless steel elbow

Size Range:

• NPS: 1/2″ – 48″ (DN15 – DN600 for B16.9; additional sizes up to 60″ by negotiation)

• Radius: Long radius (1.5D), Short radius (1.0D)

• Wall thickness matching pipe schedule

Surface: As‑formed, Annealed, Pickled, Coated for protection

Testing: Dimensional inspection (center‑to‑end dimensions, end bore, wall thickness, bevel geometry), hardness test (for duplex), NDE (MT/PT per ASME Boiler Code), marking (material, heat number, size, schedule, standard)

Applications

(1)Pipeline – Stainless steel elbow for pipeline transmission systems (long‑distance oil, gas, water, chemical lines) enables direction changes at 45°, 90°, or 180°, maintaining flow efficiency with smooth internal surfaces that resist scaling and fouling.

(2)Oil and gas – Stainless steel elbow for oil and gas facilities (onshore/offshore platforms, refineries, compressor stations) withstands high pressure, sour service (H₂S/CO₂), and thermal cycling, with butt‑weld ends ensuring leak‑proof joints.

(3)Chemical industry – Stainless steel elbow for chemical industry (reactor piping, acid transfer lines, solvent systems) provides corrosion resistance to aggressive media, with seamless construction eliminating weld seam corrosion risks.

(4)Water treatment – Stainless steel elbow for water treatment (RO skids, desalination plants, filtration systems) resists chlorinated water and brine, available in 90° and 45° configurations for compact piping layouts.

(5)Marine – Stainless steel elbow for marine applications (shipboard piping, seawater cooling lines, ballast systems) offers superior chloride corrosion resistance, with duplex and super duplex grades available for high‑velocity seawater service.

MONO Group is one of Stainless Steel Elbow Manufacturer & Supplier & Wholesaler from China,We can supply ASTM / DIN / ISO / GB stndard high quality alloy plate, sheet, round bar, tube, pipes, fittings, flange, pls contact us freely for your RFQ to info@monokj.com