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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
Alloy 2205 is a widely used duplex stainless steel pipe/tube, characterized by a balanced microstructure of approximately 50% austenite and 50% ferrite. This unique composition grants it a superior blend of strength, corrosion resistance, and versatility, making it a preferred choice in various industrial applications. Available under designations such as UNS S31803, UNS S22053, and EN 1.4462, these pipes are commonly produced in a 5.8m length, offering practicality for installation and fabrication. Alloy 2205 pipes excel in both moderate and aggressive environments, bridging the performance gap between austenitic and ferritic stainless steels.
Chemical Composition (Weight %)
Element
Content Range
Chromium (Cr)
21.0 - 23.0
Nickel (Ni)
4.5 - 6.5
Molybdenum (Mo)
2.5 - 3.5
Nitrogen (N)
0.08 - 0.20
Iron (Fe)
Balance
Carbon (C)
≤ 0.03
Manganese (Mn)
≤ 2.0
Silicon (Si)
≤ 1.0
Phosphorus (P)
≤ 0.035
Sulfur (S)
≤ 0.02
Mechanical Properties
Property
Value
Tensile Strength
≥ 620 MPa
Yield Strength (0.2% offset)
≥ 450 MPa
Elongation
≥ 25%
Hardness (Rockwell C)
≤ 29
Impact Strength (Charpy V-notch, -40°C)
≥ 60 J
Key Features
Superior Corrosion Resistance: Resistant to pitting, crevice corrosion, and stress corrosion cracking in chloride-containing environments, such as seawater and industrial effluents.
High Strength: Offers approximately twice the yield strength of austenitic stainless steels (e.g., 304, 316), enabling thinner wall designs and reducing overall system weight.
Excellent Weldability: Can be welded using standard techniques (TIG, MIG) with minimal risk of embrittlement when proper procedures are followed.
Good Toughness: Maintains ductility and impact resistance across a wide temperature range, including low temperatures.
Cost-Effective: Provides better performance than standard austenitic steels at a competitive price point, making it suitable for large-scale applications.
Standards
Alloy 2205 pipes/tubes are manufactured in accordance with international standards to ensure quality and consistency:
EN 10216-5 (Welded duplex stainless steel tubes for pressure purposes)
DIN 17458 (Duplex stainless steel pipes)
JIS G3463 (Stainless steel pipes for general piping)
Equivalent Grades
UNS S31803 (original grade)
UNS S22053 (updated grade with tighter nitrogen control)
EN 1.4462
DIN X2CrNiMoN22-5-3
JIS SUS 2205
Applications
Alloy 2205 pipes, especially in the 5.8m length, are widely used in industries requiring a balance of strength and corrosion resistance:
Oil and gas: Offshore pipelines, wellhead equipment, and subsea systems.
Chemical processing: Reactors, heat exchangers, and piping for handling acids and chlorides.
Water treatment: Desalination plants, wastewater treatment systems, and reverse osmosis equipment.
Pulp and paper: Bleaching lines and chemical storage tanks.
Marine engineering: Shipbuilding, ballast systems, and coastal infrastructure.
Construction: Structural components in corrosive environments, such as bridges and coastal buildings.
Export Packaging & Transportation
Packaging:
5.8m length pipes are bundled with heavy-duty steel straps to prevent shifting.
Each bundle is wrapped in waterproof plastic or Hessian cloth to protect against moisture, dust, and scratches.
Smaller quantities or custom lengths may be packed in wooden crates with foam padding for added protection.
Every package includes labels with details: material grade, size, length, quantity, heat number, and certification (e.g., Mill Test Report).
Transportation:
Shipped via container ships (20ft or 40ft containers) for international exports, with proper bracing to secure bundles.
Land transport uses flatbed trucks or railcars, with straps and blocking to ensure stability during transit.
Special handling is provided for oversized or heavy pipes to maintain structural integrity.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
