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Architectural and Decorative Stainless Steel Pipes

Product generic:
Architectural and Decorative Stainless Steel Pipes, Structural Stainless Steel Pipes, Decorative Stainless Steel Pipes
Application:
Building steel structure supports, Frames, Building railings, Handrails, Curtain walls, Interior decoration
Specification:
OD: 10~760 mm
WT: 0.5~88 mm
LENGTH: Fixed Length (5.8/6/11.8/12mtr),Specifed by purchaser
Standard & Grade:
ASTM A554, ASTM A312 ;
EN 10217-7;
GB/T 18705.
304/304L,316/316L,430 etc.
1.4301/1.4306,1.4401/1.4404,1.4016 etc.
Ends:
Plain Ends,Threaded Ends
Surface:
2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc
Packing:
Bundled/in Bulk, Plastic Caps Plugged

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  • Introduction

Architectural and decorative stainless – steel pipes are pipe products mainly used for decoration and beautification. They are usually made of stainless – steel materials and processed by welding or other processes. These pipes are widely used in indoor and outdoor architectural decoration, interior design, commercial spaces, outdoor landscapes and other projects, which can create a variety of beautiful, modern and stylish looks.

  • Main Functions

Aesthetic Property: Through polishing, surface treatment and other processes, the pipe has a smooth and shiny appearance, which can add modernity and elegance to the environment, and is widely used in the manufacture of handrails, railings, stairs, door and window frames, etc.

Corrosion Resistance: Stainless – steel materials can maintain their appearance and performance for a long time in wet, rainy and other harsh environments, with a long service life and low maintenance cost.

Plasticity:  is easy to be formed and cut, and can meet the needs of different architectural styles, helping designers create a variety of complex shapes and structures.

  • Tubing Standards

ASTM A554, ASTM A312 ;

EN 10217-7;

GB/T 18705.

  • Material & Performance

304/304L,316/316L,430 etc.

1.4301/1.4306,1.4401/1.4404, 1.4016 etc.

The commonly used materials are 304, 304L, 316,430 stainless steel, etc. 304 stainless – steel has good comprehensive performance, with excellent corrosion resistance and formability, and can resist the corrosion of most organic acids and inorganic acids. 316 stainless – steel has better corrosion resistance than 304, especially in chloride – containing environments, and is often used in occasions with higher corrosion – resistance requirements. These stainless – steel materials have high strength, good toughness, and can maintain stable performance in a certain temperature range.430 stainless steel is a type of ferritic stainless steel. It has good corrosion resistance and oxidation resistance, and its price is relatively low. It is often used in architectural decoration parts that do not require high strength, such as decorative panels.

  • ​Manufacturing Process

Raw material preparation:Cut stainless steel coils or sheets into strips according to specifications.

Forming:Roll the strips into tubes using a roll bender to form preliminary round or special-shaped tubes.

Welding:Adopt TIG (Tungsten Inert Gas welding), MIG (Metal Inert Gas welding), or High-Frequency Induction Welding (HFIW) for seam welding, with HFIW being the most efficient.

Weld seam treatment:Remove slag and grind the weld seam, anneal (eliminate stress), or solution treat (austenitic stainless steel).

Dimension finishing:Adjust tube diameter and straightness through sizing and straightening machines to ensure dimensional accuracy.

Surface treatment:Carry out pickling, passivation, polishing, or coating as needed to enhance corrosion resistance and appearance.

Quality inspection:Include hydrostatic testing, non-destructive testing (UT/RT), intergranular corrosion testing, etc., to ensure no leakage and compliance with performance standards.

  • Specifications

                          
Trade Services
  1. Customized Solutions
    Based on industry experience and customer needs analysis, provide matching solution suggestions such as material selection (carbon steel/alloy steel/stainless steel), specification matching (wall thickness/pressure rating), and application scenario optimization (petroleum/chemical/nuclear power).
  2. Global Logistics
    Integrate the international logistics network (sea freight/air freight/land transportation), and provide a real-time cargo tracking system (GPS positioning + customs clearance progress).
  3. Inventory Optimization
    Based on industry data analysis, dynamically adjust inventory classification (material type/dimension/regional warehouse), implement Just-in-Time (JIT) supply chain management, and reduce the risk of slow sales.
  4. Compliance Certification
    Assist in providing international certification documents such as ISO, ASTM, API, etc., to ensure that products meet the access requirements of the target market.
  5. End-to-End Tracking
    Provide full life cycle services from order confirmation to after-sales support, and offer technical consultation for installation guidance throughout the whole process.
 
Processing Services
  1. Custom Cutting
    Support cutting by laser, plasma, sawing machine, and self-propelled cutting machine to meet different dimensional requirements (such as fixed length, multiple length), and provide bevel processing services.
  2. Forming
    Provide elbow bending, flaring, and necking processing.
  3. Surface Treatment
    Provide surface treatment methods such as pickling, phosphating, polishing, sandblasting, painting, coating, galvanizing, and buffing.
  4. Machining
    Provide threading, chamfering, and drilling processing.
 
Quality Inspection
      Provide third-party inspection reports (such as chemical composition analysis, mechanical properties, UT flaw detection) to ensure that products meet the standards.
Common Standards for Stainless Steel PipesCommon GradesApplications
ASTM A213TP304H, TP316H, TP321H, TP347HSeamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes .(High-pressure boiler tubes,​Superheater tubes,​Heat-exchanger tubes,Nuclear power plant piping)
ASTM A312TP304/304L, TP316/316L, TP321Seamless and Welded Austenitic Stainless Steel Pipes.(Chemical piping, food industry, cryogenic equipment, etc. )
ASTM A269TP304/304L, TP316/316L, TP317L, TP904LSeamless and Welded Austenitic Stainless Steel Tubing for General Service.(Fluid handling systems,Medical devices,Pharmaceutical industry)
ASTM A268TP409,TP430, TP446, TP410,TP420Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service.(Automotive Exhaust,Household Appliances,Industrial Equipment)
ASTM A270TP304/304L, TP316/316LSeamless and Welded Austenitic Stainless Steel Sanitary Tubing.(Food & Dairy Processing,Pharmaceutical & Biotech,Beverage Handling)
ASTM A249TP304/304H、TP316/316L、TP321,TP347Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes.(Boilers,Superheaters,Heat exchangers,Condensers)
ASTM A376TP304H、TP316H、TP321HSeamless Austenitic Stainless Steel Pipes for High-Temperature Service.(High-temperature steam lines,Nuclear primary steam systems,Petroleum cracking units)
ASTM A632TP304, TP316L, TP321,TP317LSeamless and Welded Austenitic Stainless Steel Tubing .(Small-Diameter) for General Service(outside diameter ≤2 inches,non-pressure applications)
ASTM A789TP2205、TP2507Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service.( Subsea pipelines,Desalination,Desalination,etc.)
ASTM A1016/A1016M General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
DIN EN 10216-51.4301(304), 1.4307(304L),1.4401(316), 1.4404(316L),1.4541(321),1.4462(2205)Seamless Steel Tubes for Pressure Purposes.(Power plant boilers,Bioreactors,Dairy processing,Desalination plants)
DIN EN 10217-71.4301(304),1.4307(304L), 1.4404(316L),1.4571 (316Ti)Welded Steel Tubes for Pressure Purposes.(Pickling line pipes,Heat exchanger bundles, etc. )
DIN EN 10297-21.4301(304), 1.4401(316), 1.4021(420),1.4539(904L)Seamless Steel Tubes for Mechanical and General Engineering Purposes.(Drive shafts,Hydraulic cylinders,Medical  instruments)
DIN EN 10305-11.4306(304L), 1.4406(316L)Steel Tubes for Precision Application.(Primarily for mechanical engineering applications)
GB/T 1497606Cr19Ni10(304), 022Cr19Ni10(304L),06Cr17Ni12Mo2(316),022Cr17Ni12Mo2(316L),06Cr18Ni11Ti(321)Seamless Stainless Steel Pipes for Fluid Transport.(Corrosive fluid lines,Purified water systems)
GB/T 1329607Cr19Ni10(304H), 07Cr17Ni12Mo2(316H),06Cr18Ni11Ti(321),022Cr25Ni7Mo4N (2507)Seamless Stainless Steel Tubes for Boilers/Heat Exchangers.(Supercritical boiler superheater tubes,Steam generator tubes,Molten salt pipes for CSP plants)
GB/T 1277106Cr19Ni10(304), 022Cr19Ni10(304L),06Cr17Ni12Mo2(316),022Cr17Ni12Mo2(316L),06Cr18Ni11Ti(321)Welded Stainless Steel Pipes for Fluid Transport.(Water Treatment,Food,Chemical)
GB/T 21833022Cr23Ni5Mo3N(2205), 022Cr25Ni7Mo4N(2507)Duplex Stainless Steel Seamless Pipes.(Marine engineering, seawater desalination, petroleum, chemical industry, nuclear power)
GB/T 2459307Cr19Ni10 (304H),022Cr17Ni12Mo2 (316L)Welded Stainless Steel Tubes for Boilers and Heat Exchangers.(Supercritical boiler,Nuclear power,High-temperature heat exchanger)
GB/T 30066022Cr11Ti(409),10Cr17(430),10Cr25(446)Ferritic stainless steel welded tubes for heat exchangers and condensers.(Automotive industry, home appliances and architectural decoration, industrial equipment)
GB 4806.906Cr19Ni10(304), 022Cr19Ni10(304L),06Cr17Ni12Mo2(316),022Cr17Ni12Mo2(316L)Metal Materials and Articles for Food Contact.(Food and beverage processing pipelines,etc. )
GB/T 2903806Cr19Ni10(304), 022Cr19Ni10(304L),06Cr17Ni12Mo2(316),022Cr17Ni12Mo2(316L)Technical specification for thin-wall stainless steel pipes.(Building water supply,Purified water systems,etc.)
YB/T 536312Cr17Mn6Ni5N(201/201Cu),06Cr19Ni10(304)Decorative welded stainless steel pipes. (Architecture,Household,Transport)
GB/T 1497512Cr13(410),20Cr13(420),68Cr17(440)Stainless steel seamless tubes/pipes for structural purposes.(tools, machinery and bearings)

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