Welcome to Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd, your trusted industrial seamless carbon steel pipe manufacturer and supplier. With 39 years of expertise, we deliver top-quality pipes that meet the demanding needs of various industries. Our advanced 35,000 m² facility houses cutting-edge production lines, ensuring consistent quality and timely delivery for your projects.
We offer a wide range of the products to suit your specific needs:
Our pipes are manufactured using high-quality carbon steel, including:
We offer various surface treatments to enhance performance and longevity:
1 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 |
2 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
Our industrial seamless carbon steel pipes are ideal for:
We ensure safe transportation of your products:
At Hebei Jinsheng, we maintain strict quality standards:
Our products meet international standards and certifications:
Q: What is the minimum order quantity for the products?
A: Our minimum order quantity is typically 1 metric ton, but we can discuss smaller orders for specialized needs.
Q: Can you provide custom dimensions or grades?
A: Yes, we offer customization services to meet your specific requirements. Please contact our sales team for details.
Q: What is the typical lead time for orders?
A: Lead times vary based on order size and specifications. Generally, we aim for 2-4 weeks for standard products and 4-6 weeks for custom orders.
Q: Do you offer mill test certificates (MTCs)?
A: Yes, we provide MTCs for all our products upon request.
Q: Can you assist with material selection for my project?
A: Absolutely. Our technical team is available to help you choose the right pipe grade and specifications for your application.
Ready to discuss your industrial seamless carbon steel pipe needs? Our team is here to help!
Email: admin@chinajsgj.com
Phone: +8618003119682
Trust Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd for all your product requirements. With our commitment to quality, extensive product range, and customer-focused approach, we're your ideal partner for critical industrial applications. Contact us today to experience the difference of working with a leading manufacturer in the field.
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