• www.ssm-pff.com ,an export and manufacturer for special materials pipes, tubes, fittings, materials including nickel-based alloy, austenitic, ferritic, duplex stainless steel
  • stainless steel seamless pipe,duplex stainless steel seamless tubes, nickel alloy, nickel base alloy seamless tube and pipe,butt-welding fitting, elbow, tee, cross, flange,valve.
  • Shangdun special materials co.,ltd is glable special alloy and stainless steel products company, which is international piping system material manufacturer and upplier, office located in Shanghai. In glable business, we have sucess to entrying North America, Europea, East Asia, Austrialia,Africa market.Our focus on natural gas transportation,offshore unit,chemical refining,nuclear power,shipbuilding,steel structure,machining and so on piping system engineering. 

We have strong resources integration, production and processing base are located in Shanghai and Jiangshu province, The factories in Shanghai and Jiangsu,which have vacuum smelting, non-vacuum smelting, horizontal continuous casting, forging, heat treatment and production lines advanced in the industry, and has international advanced technology and complete inspection means. Produces focus on : nickel base alloy,cobalt base alloy,iron base alloy,austenitic stainless steel,super austenitic stainless steel,duplex and super duplex stainless steel,high alloy material products; type are bars,pipes,tubes,fittings,flanges,which are widely used in metallurgy,cars,thermal power, nuclear power, petro-chemical, aviation and aerospace, rail transportation , paper industry,water industry and so on.

Material and size as follows: Nickel based Alloy : ASTM SB163, SB165, SB444, SB622, SB407, SB535, SB677, SB668, SB729,Inconel 600,601,625,670,690,718,X-750;Inconel 800,800H/HT,825,840,901,926,330,20;Hastelloy C-276
Super stainless steel: 904L,254MO
Duplex/Super Duplex UNS S31803,S32205,S32750,S32760, ASTM A/SA312, A/SA213, A/SA269, EN10216-5
Austenitic Pipe & Tube Standard:GOST9941-81, GOST5632-72 .ASTM/ASME A312/SA312, A269/SA269, ASTM A511, EN10216-5,DIN17458-85,DIN17456-85,JIS G3459,JISG3463,JISG3448,JISG3446,304,304L,316,316L,316Ti,310S,309S,321,321Ti,347

Oil and Gas
Cement and Minerals
Fertilizers and Petrochemicals
Metallurgy and cars industry
Mechanical industry
Wastewater Treatment and other water industry
paper industry,
aviation and aerospace
Transmission and rail transportation
thermal power and other power Generation 
nuclear power
Environmental and Safety


our strong supporting layer and our sales’ professional skills will help customers to supply efficient and timely packaged supporting serivces. We have some stock bars ,pipes, fittings .Our quality is always satisfied by our clients, we are strictly controling the whole production and testing. We will always adhere to the policy of
  • Austenitic Stainless Steel TP321 TP321H

    Chemical Composition:

    Grade

    C

    Si

    Mn

    P

    S

    N

    Cr

    Mo

    Ni

    Ti

    max

    max

    max

     Standard

    EN 10216-5/ASTM A312

    1.4541/TP321

    0.08

    ≤1.00

    ≤2.00

    0.04

    0.015

    ≤0.10

    17.00-19.00


    9.00-12.00

    5*(C+N) to 0.70

    1.4541/TP321/TP321H

    0.04-0.08

    ≤1.00

    ≤2.00

    0.04

    0.015

    ≤0.10

    17.00 -19.00


    9.00-12.00

    5*(C+N) to 0.60

     Standard

    EN 10216-5

    1.4541

    0.08

    ≤1.00

    ≤2.00

    0.04

    0.015


    17.00-19.00


    9.00-12.00

    5*C-0.70

    Standard

    ASTM A312

    TP321

    0.08

    ≤1.00

    ≤2.00

    0.045

    0.03

    0.10

    17.00-19.00


    9.00-12.00

    5(C+N) ~
      0.70

    TP321H

    0.04-0.10

    ≤1.00

    ≤2.00

    0.045

    0.03

    0.10

    17.00-19.00


    9.00-12.00

    4(C+N) ~
      0.60

    Standard

    ASTM A213

    TP321

    0.08

    ≤1.00

    ≤2.00

    0.045

    0.03


    17.00-19.00


    9.00-12.00

    5*(C+N)-0.70

    TP321H

    0.04-0.10

    ≤1.00

    ≤2.00

    0.045

    0.03


    17.00-19.00


    9.00-12.00

    4*(C+N)-0.70

    Standard

    EN 10216-5/SEW 470/ASTM A213

    TP321/TP321H

    0.04-0.08

    ≤1.00

    ≤2.00

    0.045

    0.03


    17.00-19.00


    9.00-12.00

    5*(C+N)-0.70

    1.4541/1.4878

    0.08

    ≤1.00

    ≤2.00

    0.04

    0.015


    17.00-19.00


    9.00-12.00

    5*C-0.70

    1.4541/1.4878/TP321/TP321H

    0.04-0.08

    ≤1.00

    ≤2.00

    0.04

    0.015


    17.00-19.00


    9.00-12.00

    5*(C+N)-0.70

    1.4878

    0.12

    ≤1.00

    ≤2.00

    0.045

    0.03


    17.00-19.00


    9.00-12.00

    4*C-0.80













     

    Mechanical Properties:

    Grade

    Rp0.2

    Rp1.0

    Rm

    El%



    EN 10216-5/ ASTM A312


    TP316/TP316L

    205

    -

    515

    35


    1.4404/1.4401

    205

    240

    510-690

    40


    1.4404/TP316L

    190

    225

    490-690

    40


    1.4404/1.4401/TP316L/TP316

    205

    240

    515-690

    40


    1.4571/TP316Ti

    210

    245

    515-730

    35








    1.4541/TP321

    205

    235

    515-730

    35

    OD≤9.5

    200

    235

    500-730

    35

    OD≥9.5

    1.4541/TP321/TP321H

    205

    235

    515-730

    35

    OD≤9.5

    200

    235

    500-730

    35

    OD≥9.5

    TP304/TP304L

    205

    -

    515

    35


    1.4301/TP304

    205

    230

    515-700

    40


    1.4301/1.4307

    195

    230

    500-680

    40


    1.4301/TP304/TP304L

    205

    230

    515-700

    40


    1.4301/1.4306/TP304/TP304L

    205

    230

    515-680

    40








    EN 10216-5


    1.4541

    200

    235

    500-730

    35


    ASTM A312


    TP321

    205

    -

    515

    35

    OD≤9.5

    170

    -

    485

    35

    OD≥9.5

    TP321H

    205

    -

    515

    35

    OD≤9.5

    170

    -

    480

    35

    OD≥9.5

    ASTM A213

    Hardness

    TP321

    205

    -

    515

    35

    ≤90

    TP321H

    205

    -

    515

    35

    ≤90

    EN 10216-5/SEW 470/ASTM A213

    Hardness

    TP321/TP321H

    205

    -

    515

    35

    ≤90

    1.4541/1.4878

    210

    235

    500-730

    40

    -

    1.4541/1.4878/TP321/TP321H

    210

    235

    515-730

    40

    ≤90

    1.4878

    210

    -

    500-750

    40

    -

     


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