China's most trusted manufacturers of Stainless Steel Pipes & Tubes.

321 Stainless Steel Pipe

Short Description:

Item: Stainless Steel Tube / SS Pipe
Material Grade:
321/321H
Standards: AISI ASTM JIS SUS and GB

ASTM A213,ASTM A268,ASTM A312,ASTM A358,ASTM A632,ASTM A778,ASTM A789
Wall Thickness: Schedule 5S–Schedule XXS (heavier on request)
Certifications: ISO 9001,SGS,BV
Surface: Annealed,Pickling,Polished
Form: Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes


Product Description

Specification

Manufacturing Technique

Product Display & Application

Product Tags

Hunan Great supply a wide range of SS 321 / SS 321H Pipes and Tubes to our clients, which are sturdy in construction and ensure long service life.

Stainless Steel 321 Pipes (UNS S32100) is the basic austenitic 18/8 steel (Stainless Steel 304) stabilised by Titanium (321) or Niobium (347) additions. Stainless Steel 321 Tubes is a stabilized stainless steel which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500 Degree F (427 to 816 Degree C).

The addition of titanium in 321 stainless steel give some desired characteristics:
Prevents harmful carbide precipitation in the heat affected zone (HAZ) of the weld area
Imparts partial immunity to inter granular corrosion
Reduced embrittlement in the HAZ of the weld area

SS 321H Pipes (UNS S32109) is a modification of SS 321 Tubes with a higher carbon content, to provide improved high temperature strength. SS 321H Tubes is the higher carbon (0.04 - 0.10) version of the alloy.

Responds well to hardening by cold working
Good welding characteristics
Excellent corrosion resistance in a wide variety of corrosive media
High creep & stress rupture properties

Tube Range: 6.35 mm OD To 101.6 mm OD Guage: 25 SWG - 10 SWG
Outer Diameter: 3.00 mm - 219.10 mm
Wall Thickness: 0.40 mm - 12.70 mm
Schedules: 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
Length: Upto 30 meters, Custom Cut Length.

Hunan Great is the top leading manufacturer, supplier, stockholder and exporter of the high quality of industrial goods like Stainless Steel 321/321H pipes. The offered ranges of pipes are created as per national and international raw materials quality standards. The industry is offering a comprehensive range of tubes that is varying in standards, dimensions, and specifications. On the request of buyers, the pipes are easily made available at customized specifications. Thus, a buyer can buy the product as per own needs in different sizes, wall thickness, length, diameter etc. The product to all the global and national buyers is supplied at market leading rates.


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  • Grade Specifications

    STANDARD

    WERKSTOFF NR.

    UNS

    JIS

    EN

    SS 321

    1.4541

    S32100

    SUS 321

    X6CrNiTi18-10

    SS 321H

    1.4878

    S32109

    SUS 321H

    X12CrNiTi18-9

    Chemical Composition

    Element

    SS 321

    SS 321H

    C

    0.08 max

    0.04 – 0.10

    Mn

    2.0 max

    2.0 max

    Si

    1.0 max

    1.0 max

    P

    0.045 max

    0.045 max

    S

    0.030 max

    0.030 max

    Cr

    17.00 – 19.00

    17.00 – 19.00

    N

    0.10 max

    0.10 max

    Ni

    9.00 – 12.00

    9.00 – 12.00

    Ti

    5(C+N) – 0.70 max

    4(C+N) – 0.70 max

    Mechanical Properties

    Element

    SS 321/321H

    Density

    8.0 g/cm3

    Melting Point

    1457 °C (2650 °F)

    Tensile Strength

    Psi – 75000 , MPa – 515

    Yield Strength (0.2%Offset)

    Psi – 30000 , MPa – 205

    Elongation

    35 %

     

    Stainless Steel 321 / 321H Pipe & Tubes Other Available Products
    Stainless Steel 321 Pipes Stainless Steel 321H Tubes
    Stainless Steel 321 Seamless Pipes Stainless Steel 321 Seamless Tubes
    Stainless UNS S32100 Welded Tubes Stainless Steel 321H Welded Pipes
    SS 321 Pipes & Tubes Suppliers SS 321H Seamless Pipes
    SS 321 Welded Pipes Dealer SS 321H Pipes Exporter
    SS 321 Tubes Stockholder Steel 321 Pipes & Tubes Distributors
    Stainless UNS S32109 Pipes SS 321 Pipe & Tube Manufacturer
    Stainless Steel DIN 1.4541 Pipes Stainless Steel DIN 1.4878 Pipes & Tubes
    Stainless Steel 321H EFW Pipes Stainless 321 ERW Tubes
    SS 321 EFW Tubes SS 321H ERW Pipes Stockist
    ASTM A213 Stainless Steel 321 Seamless Tubes ASTM A312 Stainless Steel 321H Pipe

     

     

     

    The process of welded steel pipe:

    1

     

    Stainless Steel Alloys 321 and 321H pipe, flanges and fittings are common to the petroleum refining industries.

    ss-321-pipes-display (2)

    Alloy 321 and 321H is often used to make radiant superheaters, boiler tubes, high pressure steam pipes, and general refinery piping. They are also used for heavy-duty exhaust systems and manifolds.

      Food Processing Industry
      Fabrication Industry
      Oil and Gas Industry
      Chemical Industry
      Plumbing
      General Purpose Applications
      Heating
      Water Supply Systems
      Power Plant
      Paper & Pulp Industry

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