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Seamless Welded Carbon Steel Pipe for Fluid Transport
US$400.00-500.00
1 Ton
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableApplication
Cast Iron, Chemical Processing, Construction, Oil and Gas, Water SupplyPipe Diameter
6 inchesModel NO.
Carbon steel pipePipe Length
10 feetSurface Finish
BlackPrimary Standard
ASTM A53/A53mGrade
Grade aMaterial Specification
Carbon Steel(Mild Steel)Steel Grade
Carbon Steel, Grade aTensile Strength, Min
48,000 Psi (330 MPa)Yield Strength, Min
30,000 Psi (205 MPa)Elongation in 2 Inches, Min
≥29% for 0.375" WallStandard Finish
Black/Bare (Uncoated), Mill VarnishedEnd Finish
PE, BeSurface Condition
May Contain Light Mill ScaleOptional Coatings
Hot-DIP Galvanized (HDG),Black or Red Primer PaintCertification
Mill Test Certificate (Mtc)Third-Party Inspection
Available Upon RequestService Fluids
Water, Oil, Gas, Air, Steam, etc.Primary Applications
Industrial Fluid Transport,General Service Piping,Transport Package
Wooden Case, Packed by Bundles with Plastic BagsSpecification
carbon steelTrademark
EZSOrigin
ChinaHS Code
7304Production Capacity
200000ton/YearKey features
Versatile Construction Options: Available in both seamless and welded (ERW) constructions to suit different system needs.
Wide Size Range: Outer Diameter from 9mm to 3048mm and Wall Thickness from 6.0mm to 25.4mm.
High Strength Performance: Minimum Tensile Strength of 48,000 Psi and Yield Strength of 30,000 Psi.
Flexible Coating Solutions: Optional coatings include Hot-DIP Galvanized, Black/Red Primer, FBE, and 3LPE.
Comprehensive Certification: Includes Mill Test Certificate (MTC) and Third-Party Inspection available upon request.
Multi-Fluid Transport Capability: Engineered for water, oil, gas, air, steam, and non-corrosive chemicals.
Global OEM/ODM Services: Offers full customization, minor customization, and design-based customization options.
Flexible Delivery Terms: Stock delivery in 5-7 days; customized products in around 30 days.
Company profile
Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9Years CertifiedNearest Port: Tianjin Port/Shanghai Port/Qingdao PortAverage Response Time: ≤1.68h
AI-Powered supplier vetting
SummaryEZ Steel Industrial Co., Ltd. is a trading company based in Changsha, China, specializing in steel pipe production with an annual output exceeding US$100 million. The company has a strong customization capability and offers OEM and ODM services. However, it lacks overseas warehouse services and showrooms and has limited overseas service capabilities. The company has clear procedures for corrective actions and customer complaints but lacks written procedures for effective supplier service capability.
Supplier typeThe supplier is a limited company operating as a trading company in the wholesale and retail industry.
After-Sales capabilityThe company has clear procedures and records for handling customer complaints and corrective actions.
Financial creditThe company has financial records for the past three years, indicating stable financial monitoring.
R&D capabilityThere is no new product development in the past year, indicating limited innovation capability.
Production capacityThe company produces 480,000 tons of steel pipes annually and maintains an annual production output above US$100 million.
Customization capabilityThe supplier offers extensive customization services including OEM and ODM, indicating strong customization capability.
Product Q&A
Q:What standards govern seamless and welded carbon steel pipe for fluid transport?
A:
ASTM A106 is the key specification for seamless carbon steel pipe for high-temperature pressure service, while ASTM A53 covers both seamless and ERW pipe for general mechanical and moderate-pressure applications . For pipeline transmission, A PI 5L is widely specified .
Q:How do seamless and welded pipes compare for fluid transport?
A:
Seamless pipe has no weld seam, offering uniform strength and higher pressure resistance, making it preferred for critical high-pressure or high-temperature services. Welded pipe is more cost-effective and available in larger diameters, suitable for utility water, air, and low-pressure fluid systems . The weld seam is the primary weak point in welded pipe .
Q:What mechanical properties does ASTM A106 Grade B guarantee?
A:
Minimum tensile strength of 415 MPa and yield strength of 240 MPa, identical to A53 Grade B. A106 has tighter limits on phosphorus and sulfur, plus a mandatory minimum silicon content for high-temperature oxidation resistance . This makes dual certification common for seamless pipe meeting both standards .
Q:What is the service temperature difference between A106 and A53?
A:
ASTM A106 is designed for continuous service up to approximately 427C (800F), while ASTM A53 is typically limited to around 343C (650F) for ERW and slightly higher for seamless . For applications above 427C, alloy grades such as ASTM A335 are required .
Send Inquiry
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EZ Steel Industrial Co., Ltd.
EZ Steel Industrial Co., Ltd.*Content:
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