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SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100

SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100

SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100
SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100
Categories Stainless Steel Pipe
Brand Name: DELTA
Model Number: 304L
Certification: ISO
Place of Origin: China
MOQ: 500 kgs
Price: 2.5-4 USD/Kg
Payment Terms: L/C,T/T,Western Union
Supply Ability: 3 Ton per week
Delivery Time: 5 - 12 days based on the quantity
Packaging Details: standard packing for export
Products: Stainless Steel Seamless Pipe
Grade: 304L
Diameter: DN10 - DN400
Length: 6m or custom cutting any length as request
Standard: ASTM EN
Service: Cutting
Loading Port: Shanghai Port
Thickness: 4.0 - 50.0mm
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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
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SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100

SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100


Products Specification


Products Name304L Stainless Steel Seamless Pipe

Grade:		304 304L 309S 310S 314 316L 316Ti 321 329 347H 410 2205 2507 S32760 904L 254SMO and equal grade in GB JIS EN DIN Standard
Standards:ASTM A213M-94b ASTM A249M-94a ASTM A269-94a
ASTM A312M-94b,ect.
DIN 17456-85 DIN 17458-85 DIN 17459-92.ect
JIS G3446-1994 JIS G3448-1997 JIS G3459-1997 JIS G3463-1994,ect.
GB13296-1991 GB14975-2002 GB14976-2002,ect.
Size:ND5 - DN400
Length:6m length or cutting any length as request
Applications:fluid and gas transport, structure , boiler, heat exchanger, super heater

304L stainless steel pipe is a low-carbon variant of 304 stainless steel, prized for its excellent corrosion resistance, especially in welded areas, due to its reduced carbon content. This makes it a go-to choice in industries where weldability and resistance to intergranular corrosion are critical.

Key Parameters of 304L Stainless Steel Pipe

The performance of 304L stainless steel pipe is defined by its precise chemical composition and mechanical properties, which determine its suitability for various applications:
Parameter TypeDetails
Chemical Composition- Chromium (Cr): 18.00-20.00%
- Nickel (Ni): 8.00-12.00%
- Carbon (C): ≤0.03% (key difference from 304, which has ≤0.08%)
- Manganese (Mn): ≤2.00%
- Silicon (Si): ≤1.00%
- Phosphorus (P): ≤0.045%
- Sulfur (S): ≤0.030%
Mechanical Properties- Tensile Strength: ≥485 MPa
- Yield Strength: ≥170 MPa
- Elongation: ≥40%
- Hardness: ≤92 HRB, ≤200 HV
Typical SizesOuter Diameter: 6mm - 630mm
Wall Thickness: 0.8mm - 12mm
Length: 6m, 12m, or custom lengths

Standards for 304L Stainless Steel Pipe

304L stainless steel pipe manufacturing and testing adhere to international standards to ensure quality and compatibility:
  • ASTM A312: Specifies seamless, welded, and heavily cold-worked austenitic stainless steel pipes for high-temperature and general corrosive service.
  • ASTM A269: Covers seamless and welded austenitic stainless steel tubing for general service, including food processing and pharmaceutical applications.
  • EN 10216-5: European standard for seamless stainless steel pipes for pressure purposes.
  • JIS G3459: Japanese industrial standard for stainless steel pipes.

Similar Grades to 304L

While 304L is popular, other grades offer comparable or slightly different properties for specific needs:
GradeKey Difference from 304LCommon Applications
304Higher carbon content (≤0.08%), slightly lower weldabilityGeneral-purpose, non-welded structures
316LContains molybdenum (2-3%), better corrosion resistance (especially to chloride)Marine environments, chemical processing
321Titanium-stabilized, resistant to sensitization at high temperaturesHigh-temperature applications (e.g., furnaces)
347Niobium-stabilized, similar to 321 but with better weldabilityHigh-temperature pressure vessels

Packaging of 304L Stainless Steel Pipe

Proper packaging ensures protection during transportation and storage:
  • Surface Protection: Pipes are often wrapped in plastic film or coated with anti-rust oil to prevent scratches and corrosion.
  • Bundling: Small-diameter pipes are bundled with steel straps, while larger ones may be individually packaged.
  • Wooden Crates: For export or delicate applications, pipes are placed in wooden crates to avoid damage.
  • Labels: Each package includes labels with grade, size, standard, heat number, and manufacturer information.

Applications of 304L Stainless Steel Pipe

304L’s combination of corrosion resistance and weldability makes it ideal for:
  • Food and Beverage Industry: Piping for milk, beer, and food processing (resistant to cleaning agents).
  • Chemical Processing: Transporting mild acids, alkalis, and organic solvents.
  • Water Treatment: Potable water systems and wastewater treatment plants.
  • Architectural Uses: Handrails, decorative structures, and building facades.
  • Medical Equipment: Piping in hospitals and pharmaceutical manufacturing (easy to sterilize).

Summary

304L stainless steel pipe stands out for its low carbon content, excellent weldability, and strong corrosion resistance, making it a versatile choice across industries. Compliant with global standards, it is often preferred over 304 in welded applications and competes with grades like 316L in less aggressive environments. Proper packaging ensures its integrity, and its wide range of sizes suits diverse project needs, solidifying its role as a reliable material in modern engineering.

Product Tags:

SA312 TP304L stainless steel pipe

  

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Quality SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100 for sale

SA312 TP304L Stainless Steel Seamless Pipe Tube DN10 DN15 DN20 DN30 DN40 DN50 DN60 DN80 DN100

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