| After-sales Service: | Online 24/7 Installation Guide |
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| Warranty: | 30 Years |
| Type: | Welded |
| Technique: | ERW |
| Material: | Carbon Steel |
| Surface Treatment: | Antiseptical |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Spiral Welded Carbon Steel Pipe API 5L Uses Spiral Welded SSAW for Construction hot sale
According To The Amount Of The Carbon Content, Carbon Steels Can Be Divided Into Low-Carbon Steel, Medium-Carbon Steel And High--Carbon Steel.
Structural Steels Can Be Subdivided Into Constructional Steel And Machinery Steel. Low-Carbon Steel Is Often Used As Constructional Steel, And Low-Carbon And Edium-Carbon Steels Are Often Used As Machinery Steel.
Medium-Carbon And High-Carbon Steels Are Often Used As Tool Steel. Tool Steels Include Carbon Tool Steel, Alloy Tool Steel And High-Speed Tool Steel. 
| Name | Spiral Welded Carbon Steel Pipe API 5L Uses Spiral Welded SSAW for Construction hot sale | ||
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Technique
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SSAW (spiral submerged arc welded)
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Material
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St37 St52
Grade B X46 X46 X52
Q235 Q355
S235 S355
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Surface treatment
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External: 3PE, bitumen, epoxy powder Internal: Epoxy, bitumen, cement
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DNT testing
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Hydrostatic test
UT test
RT test
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End treatment
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Bevel
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| Certificate | API 5L | ||
Sufficient stock, packaging can be customizedSufficient stock, packaging can be customized.
There are long-term cooperative freight forwarders, various transportation methods.
Runhai Steel Co., Ltd.
Runhai Steel Co., Ltd. is located in Jinan, Shandong Province. The company's products include stainless steel, seamless pipe, color coated plate, galvanized sheet, aluminized sheet, aluminum sheet, copper sheet and other profiles, building materials, pipe series. Products are widely used in chemical, pharmaceutical, electric power, railway, automotive, paper and construction engineering. The company has long-term close trade relations with Shandong Iron and Steel, Tangshan Iron and Steel, Handan Iron and Steel, Jinxi Iron and Steel and other well-known domestic steel companies.
The company has advanced wms, crm management system to ensure that our customers in the product consulting, procurement, ordering, use in the whole process without worry! Over the years, our company has won the trust of our customers with high-quality products, first-class service and ultra-low price. With the favor, our products are spread all over the country! Thanks to the support of new and old customers, Runhai people will work harder and enterprising, and return more customers with better and more efficient services!
1. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
2.what can you buy from us?
we can provide customized service of carbon steel plate ,coil ,pipe and bar.
3. what services can we provide?
Pre-sale Service
1. Sample can be offered with sample charge and courier fee by buyer's side.
2. We have full stock,and can deliver within short time.Many styles for your choices.
3. Good Quality + Factory Price + Quick Response + Reliable Service, is
what we are trying best to offer you
4. All of our products are produce by our professional workman and we
have our high-work-effect foreign trade team, you cantotally believe our service.
After you choose
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you.
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.
Suppliers with verified business licenses
Audited Supplier 
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