Haihao Group Supplies NACE-Compliant Stainless Steel Weldolets to Singapore

Haihao Group has successfully completed the delivery of stainless steel butt welding branch outlets (Weldolets) to a customer in Singapore, supporting a piping system designed for corrosive and sour service conditions. All products were manufactured from ASTM A182 Grade F316/316L and fully comply with MSS SP-97 as well as NACE MR0175 / ISO 15156 requirements.

Weldolet (Butt Welding Branch Outlet) Specifications

The shipment included two types of high-integrity butt welding branch outlets, engineered for precise fit-up and long-term reliability:

• Butt Welding Branch Outlet (Weldolet)
  • Size: 8″ × 2″
  • Run Pipe: SCH 10S
  • Branch Pipe: SCH 40S
• Butt Welding Branch Outlet (Weldolet)
  • Size: 8″ × 3/4″
  • Run Pipe: SCH 120S
  • Branch Pipe: SCH 80S
• Material: ASTM A182 Grade F316 / F316L
• Standard: MSS SP-97
• Sour Service Compliance: NACE MR0175 / ISO 15156

ASTM A182 F316 F316L stainless steel butt welding branch outlet manufactured to MSS SP-97 with NACE MR0175 compliance

Why ASTM A182 F316/316L Weldolets Are Preferred

ASTM A182 F316/316L stainless steel weldolets offer excellent resistance to corrosion, pitting, and chloride-induced stress corrosion cracking.

The low carbon content of 316L minimizes the risk of intergranular corrosion after welding, making these branch fittings ideal for chemical processing, offshore platforms, and oil & gas piping systems.

Compliance with NACE MR0175 / ISO 15156 ensures strict control of sulfur and phosphorus content, providing reliable performance in H₂S-containing and sour environments.

MSS SP-97: Precision and Structural Integrity

Manufactured in accordance with MSS SP-97, these butt welding branch outlets provide:

• Reinforced branch connections without weakening the run pipe
• Smooth internal flow path with reduced turbulence
• Improved fatigue resistance under cyclic pressure conditions

This makes MSS SP-97 weldolets a preferred choice for high-pressure and critical piping applications.

Trusted Supplier of Stainless Steel Branch Outlets

With extensive experience supplying stainless steel weldolets to Singapore, Haihao Group supports projects requiring strict material traceability, international standards compliance, and consistent quality.

From NACE-compliant branch outlets to custom-engineered fittings, Haihao Group delivers dependable solutions for demanding industrial applications.