ASTM A105N Carbon Steel Flanges Supplied to Iraq Piping Project
Haihao Group has successfully completed the supply of carbon steel flanges and line blanks for an Iraq piping shortages project, supporting high-pressure pipeline systems in demanding oil and gas environments. The delivered products were manufactured in full compliance with ASME standards and NACE MR0175 requirements, ensuring safety, durability, and long-term performance.
ASTM A105N weld neck flange Class 600 RF
Flange Products and Specifications
The supplied materials include weld neck flanges, blind flanges, and spectacle blinds, designed for high-pressure and sour service applications:
Weld Neck Flanges (WN RF)
20″ Class 600 Weld Neck Flange
- Facing: Raised Face (RF)
- Material: ASTM A105N carbon steel
- Hub Thickness: 25.4 mm (1″)
- Standard: ASME B16.5
- Service: NACE MR0175 compliant
10″ Class 600 Weld Neck Flange
- Facing: RF
- Material: ASTM A105N
- Hub Schedule: SCH 80
- Standard: ASME B16.5
- Service: NACE MR0175 compliant
26″ Class 300 Weld Neck Flange
- Facing: RF
- Material: ASTM A105N
- Hub Thickness: 19.05 mm (0.75″)
- Standard: ASME B16.47 Series A
- Service: NACE MR0175 compliant
Blind and Spectacle Blinds
20″ Class 600 Blind Flange
- Facing: RF
- Material: ASTM A105N
- Standard: ASME B16.5
- Service: NACE MR0175 compliant
10″ Class 600 Spectacle Blind (Figure-8)
- Facing: RF
- Material: ASTM A516 Grade 70
- Thickness: 28.4 mm
- Standard: ASME B16.48
- Service: NACE MR0175 compliant
All products were supplied with precise machining, clean sealing surfaces, and full dimensional accuracy to meet project installation requirements.
Spectacle blind ASME B16.48 for oil and gas pipelines
Benefits of ASTM A105N and A516 Gr.70 Flanges
The materials selected for this project are widely used in critical pipeline systems:
- ASTM A105N offers excellent strength, toughness, and weldability for pressure piping
- ASTM A516 Gr.70 provides reliable performance for line blanks and isolation points
- Suitable for high-pressure oil, gas, and refinery services
- Fully compatible with sour service environments when specified to NACE MR0175
These features make the supplied flanges ideal for Iraq oil and gas pipeline applications.
Quality Control and Compliance
Haihao Group applies strict quality assurance throughout production and delivery, including:
- Raw material verification and traceability
- Dimensional and facing inspection
- Visual and surface quality checks
- Compliance with ASME B16.5, B16.47, and B16.48 standards
Each flange is delivered with reliable quality and consistency for on-site installation.
Trusted Flange Supplier for Iraq and the Middle East
With extensive experience in exporting carbon steel flanges to Iraq, Haihao Group continues to support EPC contractors and end users with customized flange solutions, fast delivery, and stable quality.