Haihao Group has successfully completed the shipment of 12-inch SCH 100 seamless steel pipes to a customer in Singapore, supporting a demanding industrial pipeline project.
The pipes are manufactured in accordance with ASME B36.10M and produced from ASTM A106 Grade B carbon steel, ensuring stable mechanical performance and long-term service reliability.
All pipes were supplied with black paint coating, providing effective surface protection during transportation and storage.

12 inch SCH 100 ASTM A106 Grade B seamless steel pipes manufactured to ASME B36.10M with black painted coating for Singapore project
Seamless Steel Pipe Specification
The delivered seamless steel pipes meet the following technical requirements:
- Product: Seamless Steel Pipe
- Outside Diameter: 12 inch (323.80 mm)
- Wall Thickness: 21.44 mm
- Schedule: SCH 100
- Standard: ASME B36.10M
- Material: ASTM A106 Grade B
- Surface Coating: Black painted
Each parameter was strictly controlled to match the customer’s project specifications.
ASTM A106 Grade B Seamless Pipe for Industrial Applications
ASTM A106 Gr. B seamless steel pipe is widely used for high-temperature and high-pressure services, including power generation, oil and gas transmission, and general industrial piping systems.
For this order, the 12 inch SCH 100 ASTM A106 Gr. B seamless pipe was selected to provide enhanced wall thickness, improved pressure resistance, and consistent dimensional accuracy, making it suitable for demanding operating conditions commonly found in Singapore’s industrial and energy sectors.
Manufacturing and Quality Control
Haihao Group applies a comprehensive quality management system to every ASME B36.10M seamless steel pipe shipment, including:
- Chemical composition and mechanical property verification
- Outside diameter and wall thickness inspection
- Visual and dimensional checks before coating
- Final inspection prior to packing and dispatch
Only pipes that fully comply with applicable standards are approved for delivery.
Reliable Seamless Steel Pipe Supplier
With extensive experience supplying ASTM A106 Gr. B seamless steel pipes to Singapore, Haihao Group continues to support regional infrastructure, refinery, and industrial projects.
From standard carbon steel pipes to customized high-specification solutions, Haihao Group remains committed to consistent quality, stable delivery schedules, and professional service.

