Haihao Group has successfully delivered a batch of ASTM A335 Grade P91 seamless steel pipes to a customer in Indonesia. This shipment is intended for high-temperature and high-pressure piping systems, where material stability and long-term performance are critical.
The supplied seamless pipes fully comply with ASME B36.10, ensuring reliable dimensional tolerances and consistent wall thickness for demanding industrial applications.
Product Specifications Overview
The order includes the following P91 alloy steel seamless pipes:
Size: 1″
- Wall Thickness: SCH 80
- Material: ASTM A335 GR P91
- Pipe End: Plain End (PE)
- Length: 6 meters
- Standard: ASME B36.10
Size: 2″
- Wall Thickness: SCH 80
- Material: ASTM A335 GR P91
- Pipe End: Plain End (PE)
- Length: 6 meters
- Standard: ASME B36.10
All pipes were supplied with straight cut plain ends, suitable for on-site welding and further fabrication.
ASTM A335 Grade P91 seamless steel pipes SCH 80 supplied by Haihao Group for high temperature pipeline projects in Indonesia
Advantages of ASTM A335 Grade P91 Seamless Pipes
ASTM A335 P91 is a chromium-molybdenum alloy steel specifically developed for elevated temperature service. It is widely used in:
- Power plant steam pipelines
- High-pressure boiler systems
- Petrochemical and refinery piping
- Combined-cycle and supercritical power units
Key advantages include:
- Excellent creep strength at high temperatures
- Superior resistance to oxidation and thermal fatigue
- Stable mechanical properties under long-term operation
These characteristics make P91 seamless pipes SCH 80 an ideal choice for critical pipelines in Indonesia’s energy and industrial sectors.
Manufacturing and Quality Assurance
For this Indonesian project, Haihao Group applied strict quality control procedures, including:
- Raw material verification with full traceability
- Seamless pipe dimensional inspection to ASME B36.10
- Surface and straightness inspection before shipment
- Secure packaging to protect pipes during international transportation
Each ASTM A335 P91 seamless pipe was inspected to ensure it meets project specifications and client requirements.
Reliable Seamless Pipe Supplier for Indonesia
With extensive experience supplying alloy steel seamless pipes to Southeast Asia, Haihao Group continues to support Indonesian customers with:
- Stable production capability
- Consistent quality control
- On-time delivery for critical projects
From P91 seamless pipes SCH 80 to other high-temperature alloy steel products, Haihao Group provides dependable piping solutions for power generation and process industries.
