• Welding challenges of medium carbon steel2025-03-18
• Troubleshooting Common Control Valve Issues2025-03-17
• ASME B16.11 ASTM A105 3000# 2″ Couplings: Your ideal piping solution2025-03-14
• Unveiling ASTM A350 GR. LF2 CL1: The backbone of high-pressure pipe fittings2025-03-13
• What is super duplex stainless steel?2025-03-10
• The impact of different quenching media on pipe fittings2025-03-04
• Applications of Threaded Pipe Caps2025-03-03
• The working principle of penetrant testing2025-02-26
• What is an ASME B16.9 Y-shape tee?2025-02-24
• Russian clients secure ASME B36.10M ASTM A333 Gr. 6 nipples from Haihao Group2025-02-21
• Enhancing your pipeline efficiency with premium ASME B16.9 A420 GR WPL6 pipe fittings from Haihao Group2025-02-20
• How many types are there of quenching?2025-02-19
• Difference between butt welded, socket welded, and threaded pipe caps2025-02-17
• Haihao Group successfully delivers seamless pipe fittings to Iranian client2025-02-14
• Which stainless steel grades perform best in chloride-containing solutions？2025-02-13
• Introduction to A182 F53: A high-performance stainless steel for marine applications2025-02-12
• Classification of Low-Temperature Steels2025-02-10
• ASTM A420 WPL6 Low-Temperature Carbon Steel for Piping Applications2025-02-08
• Haihao Group Delivers Reducing Tee for Iranian Client: ASME B31.4, IPS-D-PI-149, A860-WPHY602025-02-07
• Measures to Prevent Stress Corrosion Cracking (SCC)2025-02-06