Alloy Steel Welded Pipe by SHIWANG PIPE provides factory-direct solutions for high-strength welded pipeline systems used in demanding industrial environments. Manufactured by Shandong Shiwang Steel Pipe Co., Ltd., our alloy steel welded pipes are produced with strict welding control, ensuring excellent mechanical performance and long-term service stability for global markets. Our Alloy Steel Welded Pipe series includes products such as Hastelloy Welded Pipe, etc.
Alloy steel welded pipe is manufactured by forming alloy steel plates or coils into tubular shapes and joining the seam through advanced welding processes. Compared with seamless pipes, welded alloy steel pipes offer flexible size ranges, especially for large diameters and thick wall requirements.
SHIWANG PIPE supplies alloy steel welded pipes suitable for high-pressure and high-temperature applications.
This alloy steel welded pipe product page covers various structures, including:
Longitudinally Welded Alloy Steel Pipe
Spiral Welded Alloy Steel Pipe
Large Diameter Alloy Steel Welded Pipe
Thick Wall Alloy Steel Welded Pipe
Customized Alloy Steel Welded Pipe
All products can be manufactured according to drawings and project specifications.
SHIWANG PIPE alloy steel welded pipes are available in multiple grades and standards:
ASTM A691 / A672
EN 10217 Alloy Steel Grades
GB/T Alloy Steel Standards
Common grades include P11, P22, P91, 12Cr1MoV, 15CrMo, and other customized alloy steel materials.
Stable welding quality and uniform weld seam
High strength and pressure resistance
Excellent performance under high temperature conditions
Flexible size range for large diameter pipes
Consistent quality for bulk orders
SHIWANG PIPE alloy steel welded pipes are widely used in:
Power plant pipelines and boilers
Oil and gas transmission systems
Chemical and petrochemical plants
High-pressure industrial piping
Structural and equipment manufacturing
If you are looking to buy alloy steel welded pipe from a China manufacturer, SHIWANG PIPE offers reliable quality and factory-direct pricing.
Each alloy steel welded pipe undergoes strict quality inspection, including welding inspection, non-destructive testing, dimensional checks, and mechanical property testing. We support customized production, sample approval, and long-term project supply.






