At Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd, we're proud to offer top-tier Schedule 40 ERW Steel Pipe. With 39 years of expertise, our ISO 9001-certified facility produces 30,000+ tons annually. Our product stands out for its durability, precision, and versatility across various industries.
We offer a comprehensive range of the product sizes:
Our product is available in various grades to suit your project needs:
Each grade offers specific advantages for different applications, ensuring you get the right pipe for your project.
We provide multiple surface treatment options:
These treatments enhance corrosion resistance and extend the lifespan of your piping system.
Dimensional Tolerance Checks(Per ASTM A530/API 5L)
Parameter |
Tolerance |
Instrument Used |
Outer Diameter(OD) |
±1%of nominal OD (or±0.79mm) |
Pi tape/Laser micrometer |
Wall Thickness(WT) |
±12.5%(SCH40 and below) |
Ultrasonic thickness gauge(UTG) |
Length |
±3mm for random,±6mm for cut-length |
Calibrated tape measure |
Straightness |
≤0.2%of total length |
Optical comparator |
Bevel Angle (for welding) |
30°-35°(±5°) |
Bevel protractor |
Visual &Surface Inspection
·Defect Identification:
o Lamination- Check for delamination near pipe ends
o Scratches/Dents -Max 5%of WT depth allowed (per ASME B31.3)
o Rust &Mill Scale-Controlled by SSPC-SP6(Commercial Blast Cleaning)
● Method:
o White light inspection(10,000 lux minimum)
o Dye penetrant test(PT)for surface cracks
Schedule 40 ERW Steel Pipe is widely used in:
Its versatility makes it a go-to choice for both industrial and commercial projects.
We understand the importance of protecting your investment during transit. Our packaging options include:
Our dedicated logistics team ensures timely delivery, whether you need local or international shipping.
Quality is at the heart of everything we do. Our rigorous quality control process includes:
We provide full mill test reports (MTRs) with every order, giving you peace of mind about the quality and traceability of your product.
Our commitment to quality is backed by international certifications:
These certifications demonstrate our adherence to global quality standards and regulatory requirements.
Q: What's the difference between Schedule 40 and Schedule 80 pipe?
A: Schedule 40 has a thinner wall thickness compared to Schedule 80. This makes it lighter and more cost-effective for many applications, while still maintaining excellent strength and durability.
Q: Can the product be used for underground applications?
A: Yes, with proper coating or galvanization, the product is suitable for underground use in water systems, gas lines, and more.
Q: What's the maximum pressure rating for the product?
A: The pressure rating varies based on pipe size and temperature. Generally, it ranges from 150 to 2,000 PSI. We can provide specific ratings for your application.
Q: Do you offer custom cutting services?
A: Absolutely! We can cut pipes to your exact specifications, saving you time and reducing waste on your job site.
Q: What's your minimum order quantity (MOQ)?
A: Our MOQ varies depending on the specific product and your location. Contact us for a personalized quote that meets your project needs.
Ready to elevate your next project with our premium Schedule 40 ERW Steel Pipe? Our team of experts is here to help you find the perfect solution.
Email: admin@chinajsgj.com
Phone: +8618003119682
At Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd, we're not just selling pipes – we're building lasting partnerships. Let's work together to make your next project a resounding success with our top-quality product.
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