ASTM A106 A36 A53 Carbon Steel Tube Spiral Welded Black Mild Round Square Rectangle API 5L CS ERW Welded
ASTM A106 A36 A53 Carbon Steel Tube Spiral Welded Black Mild Round Square Rectangle API 5L CS ERW Welded
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Common
Size
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OD
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16-720mm
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Wall Thickness
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2-100mm,Up to 200mm
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Length
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6m-12m or as request
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Cetegory
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Seamless pipe/Welded pipe/API pipe/Precision tube
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Standard
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API/ASTM/ASME/DIN/GB/JIS/ASNI/BS
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Usage
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Transport routes for gas, oil, chemical materials, water,steam and other gas or liquid
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Ends
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Plained or Beveled or other requirements
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Surface
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Bared, Black Painted, Galvanized, Oiled or to your requirements
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Package
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1.In bundle with steel strips
2.As your requirement |
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Packing
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Bundle, or with all kinds of colors PVC or as your requirements
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Product Details
Chemical Composition
| Standard | Grade | C | Si | Mn | s | p | Cr |
| GB/T 699 GB/T 3639 GB3077 GB/T1591 GB/T 8163-2018 |
10# | 0.07~0.13 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | |
| 20# | 0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ||
| 35# | 0.32~0.39 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ||
| 45# | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | ||
| 40Cr | 0.37~0.44 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | 0.08~1.10 | |
| 25Mn | 0.22~0.29 | 0.17~0.37 | 0.70~1.00 | ≤0.035 | ≤0.035 | ≤0.25 | |
| Q345B | ≤0.20 | ≤o.50 | ≤1.7 | ≤0.035 | ≤0.035 | ≤0.3 | |
| 37Mn5 | 0.30~0.39 | 0.15~0.30 | 1.20~1.50 | ≤0.015 | ≤0.020 |
Process
Packaging & Shipping
Certification
After-sale choose
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.
FAQ
Q: Do you provide samples? How can I get a sample to check your quality? Is it free or extra?
A: Free samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.
Q: How is the quality of your products?
A: Our products are manufactured strictly according to national and international standard, and we take a test before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Q: Are you factory or trader?
A: Our company has been manufacturing and selling steel products for many years since 2009. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.