High-performance fittings and flanges for Singapore client: Haihao Group’s Commitment to Quality Assurance
Haihao Group recently completed a comprehensive quality inspection for a batch of high-grade pipeline components ordered by a client in Singapore. These products, designed for high-pressure and low-temperature industrial applications, showcase Haihao Group’s technical expertise and strict adherence to international standards.
ASTM A694 GR F65 ASME B16.9 Weldolets
Products Inspected for Quality:
1. 3″ x 1 1/2″ XXS Concentric Reducer BWE SMLS
Standard: ASTM A860 GR. WPHY65, MSS SP-75
Testing Requirement: Charpy V-Notch impact test at -46°C (minimum 34 Joules)
Application: High-strength reducer for severe service conditions
2. 1″ x 3″ XXS Weldolet
Standard: ASTM A694 GR. F65, ASME B16.9, MSS-SP-97
Use: Branch connection with full-size flow, ideal for high-pressure pipelines
3. 3/4″ x 3″ 6000# Sockolet
Standard: ASTM A350 GR. LF2 CL1, ASME B16.11, MSS SP-97
Compliance: NACE MR0175 – suitable for sour service (hydrogen sulfide environments)
Class: 6000# forged fitting for high-pressure systems
4. 3″ XXS Weld Neck Flange RTJ 2500#
Standard: ASTM A694 GR. F65, ASME B16.5
Type: Ring-Type Joint (RTJ) flange for leak-proof connections under high pressure
ASTM A860 GR WPHY65 MSS SP-75 Reducer
Quality Testing at Haihao Group Includes:
Dimensional & Visual Inspection: Ensuring all products conform to size, surface, and marking specifications.
Material Chemical Analysis: Verifying compliance with chemical composition per ASTM and ASME standards.
Charpy Impact Testing: Essential for low-temperature applications, especially with WPHY65 materials.
Hardness & Mechanical Property Testing: Ensuring toughness, strength, and long-term performance under critical conditions.
Why Choose Haihao Group?
With over 40 years of experience in the pipeline systems industry, Haihao Group is a trusted supplier of forged fittings, flanges, and branch connections for clients worldwide. Our technical team offers full support for custom production, strict quality control, and fast, reliable delivery.
Whether you require high-pressure, low-temperature, or corrosion-resistant fittings, Haihao Group ensures top-tier performance for the most demanding environments. Email:sales@haihaogroup.com