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8-219mm Outer Diameter 316L Stainless Steel Tube For Oil Gas Applications

Trading Properties
Price: negotiable
Payment Terms: L/C, T/T, D/P, D/A
Product Summary
316L Stainless Steel Pipe meets GB, AISI, ASTM, DIN, EN, JIS standards with SGS, TUV, BV, ABS, LR inspection. Available in NO.1, 2B, NO.4, BA, HL, Mirror surfaces. Thickness: 0.24-3mm, OD: 8-219mm, Length: 1-6m. Used in Oil&Gas, Petroleum, Vessels, Ship Building, Water Treatment.

Product Details

Highlight:

219mm 316l stainless steel tube

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8mm 316l stainless steel tube

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6m ss316l pipe

Thickness: 0.24-3mm
Outer Diameter: 8-219mm
Length: 1-6m
Surface Treatment: NO.1, 2B, NO.4, BA, HL, Mirror
Available Grades: 200 Series: 201, 202; 300 Series: 304, 304L, 304H, 309, 309S, 310, 310S, 316, 316L, 317, 317L, 321, 321H, 347, 347H; 400 Series: 409, 410S, 416, 420, 430, 439, 440, 444, 446; Duplex And Others: 2205, 2507, S31803, S32205, S32750, S32760, 253MA, 254SMO, 904
Process: Hot Rolled, Cold Rolled
Product Description
316L Stainless Steel Pipe

316L stainless steel pipe offers superior corrosion resistance and excellent mechanical properties, making it ideal for demanding industrial applications where durability and reliability are paramount.

Key Features
  • Enhanced corrosion resistance, particularly against chlorides and acidic environments
  • Low carbon content prevents sensitization and intergranular corrosion
  • Excellent mechanical strength and durability
  • Superior performance in high-temperature applications
  • Excellent weldability and formability
Technical Specifications
Material Grade 316L (UNS S31603)
Carbon Content 0.03% max
Chromium Content 16-18%
Nickel Content 10-14%
Molybdenum Content 2-3%
Applications
  • Chemical processing equipment
  • Marine and coastal applications
  • Pharmaceutical manufacturing
  • Food processing equipment
  • Pulp and paper industry
  • Architectural applications in corrosive environments
Available in various sizes, schedules, and finishes to meet specific project requirements. Contact our technical team for custom specifications and pricing.

I. Classification and Characteristics of Stainless Steel

Classification

Typical Grades

Chemical Composition

Characteristics

Typical Applications

Austenitic Stainless Steel

304, 316

Cr: 16-20%, Ni: 8-12%, C: ≤0.08% (316 includes Mo: 2-3%)

Non-magnetic, excellent corrosion resistance, ductility, moderate high-temp resistance (≤800°C)

Food processing equipment, chemical tanks, architectural cladding

Ferritic Stainless Steel

430

Cr: 10.5-27%, C: ≤0.15%, No Ni

Magnetic, cost-effective, resistant to chloride corrosion, low strength

Appliance housings, automotive exhaust systems, cookware

Martensitic Stainless Steel

410, 420

Cr: 11.5-18%, C: 0.1-1.2%

High hardness/strength, moderate corrosion resistance, excellent wear resistance

Cutting tools, bearings, valve components

Duplex Stainless Steel

2205

Cr: 21-23%, Ni: 4.5-6.5%, Mo: 2.5-3.5%, N: 0.1-0.3%

Dual-phase (austenitic + ferritic), high strength, excellent chloride resistance, weldability

Marine engineering, petrochemicals, desalination plants

 

II. Key Alloying Elements and Their Functions

Element

Primary Role

Chromium (Cr)

Forms Cr₂O₃ passive layer; essential for corrosion resistance (≥10.5% required for stainless steel)

Nickel (Ni)

Stabilizes austenitic structure, enhances toughness and acid resistance

Molybdenum (Mo)

Improves resistance to pitting/crevice corrosion (e.g., in 316 and 2205 grades)

Carbon (C)

Increases hardness but reduces corrosion resistance if excessive (risk of chromium carbide precipitation)

Nitrogen (N)

Enhances strength and corrosion resistance; partially substitutes Ni in duplex steels

 

III. General Properties of Stainless Steel Plates

Property

Description

Corrosion Resistance

Excellent in oxidative environments (e.g., air, freshwater); limited in reducing acids (e.g., HCl)

Formability

Austenitic grades: easy to shape; Martensitic grades: require heat treatment

Heat Resistance

Oxidation resistance up to 800–1000°C (varies with composition)

Surface Treatment

Compatible with polishing, sandblasting, or coatings for aesthetics/performance

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