Cryogenic & Chemical Flow Solutions: Haihao Group Dispatches Stainless Steel Elbows to Russia

Haihao Group has completed production, pickling passivation, and export dispatch for a specialized batch of thin-wall stainless steel pipe fittings destined for an industrial chemical process facility in Russia. Engineered to deliver smooth directional flow under low-temperature operating conditions, this delivery includes 2” and 6” Schedule 10S 90-degree long radius (LR) butt-weld elbows manufactured from austenitic stainless steel ASTM A403 Grade WP304L per ASME B16.9 standards.

Shipment Technical Breakdown

Partnering with an experienced ASTM A403 WP304L elbow manufacturer guarantees precise outer diameter tolerances, uniform light-wall thickness control, and clean bevel ends for effortless field alignment. Below are the verified parameters for the Russian shipment:

2-Inch 90° LR Elbow: Size 2 Inch (NPS 2 / DN50) | Outer Diameter: 60.3 mm | Wall Thickness: 2.77 mm (SCH 10S) | Center-to-Face Radius: Long Radius (R = 1.5D) | End Prep: Butt-Weld (BW).

6-Inch 90° LR Elbow: Size 6 Inch (NPS 6 / DN150) | Outer Diameter: 168.3 mm | Wall Thickness: 3.4 mm(SCH 10S) | Center-to-Face Radius: Long Radius (R = 1.5D) | End Prep: Butt-Weld (BW).

Material Specification: ASTM A403 Grade WP304L (Low-Carbon Austenitic Stainless Steel).

Applicable Standards: ASME B16.9 (Factory-Made Wrought Buttwelding Fittings) and MSS SP-43.

ASTM A403 WP304L stainless steel 90 degree 2 inch and 6 inch SCH 10S long radius elbows exported to Russia by Haihao Group

Engineering Advantage: Low-Carbon WP304L Metallurgy & Long Radius Geometry

Russian industrial processing environments frequently expose piping systems to sub-zero ambient temperatures and corrosive fluid transport. Thin-wall Schedule 10S fittings require exact dimensional stability during butt-welding to avoid burn-through while maintaining maximum system flow efficiency.

As a certified ASTM A403 WP304L elbow manufacturer, Haihao Group leverages premium wrought stainless steel to ensure lifetime structural integrity:

Intergranular Corrosion Defense: Featuring a maximum carbon content of 0.030%, Grade WP304L prevents chromium carbide precipitation in the heat-affected zone (HAZ) during field welding, eliminating intergranular attack in aggressive liquid media.

Low-Temperature Impact Ductility: The austenitic crystal structure maintains superior notch toughness and impact resistance across cold Russian winter environments without undergoing ductile-to-brittle transition.

Minimized Pressure Drop: The 1.5D long radius curvature provides smooth directional changes, reducing internal turbulence, friction head loss, and erosion along the outer arc wall.

Surface Passivation, Dimensional QC & Export Certification

To maintain our standing as a top-tier ASTM A403 WP304L elbow manufacturer, every fitting underwent rigorous quality verification prior to seaworthy packaging:

Wall Thickness & OD Inspection: Precision ultrasonic meters verified consistent wall thickness (2.77 mm for 2” and 3.4 mm for 6”) along the extrados and intrados bends to guarantee compliance with ASME B16.9 tolerances.

Surface Pickling & Passivation: All inner and outer surfaces were acid-pickled and passivated to restore the protective chromium oxide film following hot forming and solution annealing.

Bevel End Protection: Machined butt-weld ends were fitted with heavy-duty protective caps to safeguard bevel edges during transit to Russia.

Comprehensive Documentation: Supplied with EN 10204 3.1 Mill Test Certificates detailing chemical composition heat analysis, mechanical tensile/yield results, and PMI verification logs.

Choosing an established ASTM A403 WP304L elbow manufacturer ensures fast on-site fit-up, zero welding delays, and long-term operating safety in severe process environments.

Partner with Haihao Group for Russian Industrial Projects

In need of high-quality stainless steel butt-weld fittings, Schedule 10S light-wall elbows, or ASME B16.9 piping components for your oil, gas, or chemical assets in Russia and Eurasian markets? Rely on a trusted ASTM A403 WP304L elbow manufacturer. Contact the Haihao Group commercial sales engineering team today for quick competitive quotes and technical support.