RSS

Petroleum and Chemical

 

 

NSSMC can provide several kinds of Fe based and Ni based alloys.

Especially, NSSMC's original grades and Highly corrosion resistant alloy series  are available for various requirements.

Selection Tool

Specialty Tubes for Petroleum and Chemical Industries

Standard Grades

Classification Grade Basic chemical composition Standard Features
  • Applications
      UNS No. ASTM EN JIS  
Austenitic 303 18Cr-8Ni-S S30300 A213, A269, A312, A376 1.4305 SUS303

Free-cutting steel

Austenitic 304 18Cr-8Ni S30400 A213, A269, A312, A376 1.4301 SUS304

Basic steel type

Austenitic 304H 18Cr-8Ni-High C S30409 A213, A269, A312, A376 1.4948 SUS304H

Basic steel type

Austenitic 304L 18Cr-8Ni-Low C S30403 A213, A269, A312, A376 1.4307 SUS304L

Basic steel type

Austenitic 304LN 18Cr-8Ni-Low C-N S30453 A213, A269, A312, A376 1.4311 (SUS304LN) 板規格

Intergranular corrosion resistance 

Austenitic 309 22Cr-12Ni S30909 A213, A269, A312, A376 1.4829 SUS309

Oxidation resistance

Austenitic 309S 22Cr-12Ni S30908 A213, A269, A312, A376 SUS309S

Oxidation resistance

Austenitic 310 25Cr-20Ni S31009 A213, A269, A312, A376 1.4842 SUS310

Oxidation resistance

● Refuse incinerator plant

Austenitic 310S 25Cr-20Ni S31008 A213, A269, A312, A376 SUS310S

Oxidation resistance

● Refuse incinerator plant

Austenitic 312L 20Cr-18Ni-6Mo-0.2N S31254 A213, A269, A312, A376 1.4547 SUS312L

Seawater resistance

● Seawater desalination plant

Austenitic 316 18Cr-12Ni-2Mo S31600 A213, A269, A312, A376 1.4401 SUS316

Corrosion resistance

● LNG plant

Austenitic 316H 18Cr-12Ni-2Mo-High C S31609 A213, A269, A312, A376 1.4918 SUS316H

Corrosion resistance

● LNG plant

Austenitic 316L 18Cr-12Ni-2Mo-Low C S31603 A213, A269, A312, A376 1.4404 SUS316L

Corrosion resistance

● LNG plant

Austenitic 316Ti 18Cr-12Ni-Mo-Ti S31635 A213 TP316Ti 1.4571, 1.4573 SUS316Ti (JIS G3463)

Intergranular corrosion resistance

Austenitic 317 18Cr-12Ni-3Mo S31700 A213, A269, A312, A376 SUS317

Pitting resistance

● Chemical tanker

Austenitic 317L 18Cr-12Ni-3Mo-Low C S31703 A213, A269, A312, A376 1.4438 SUS317L

Pitting resistance

● Chemical tanker

Austenitic 321 18Cr-9Ni-Ti S32100 A213, A269, A312, A376 1.4541 SUS321

High strength

● Chemical plant

Austenitic 321H 18Cr-9Ni-Ti-High C S32109 A213, A269, A312, A376 1.4940 SUS321H

High elevated temperature strength

Austenitic 347 18Cr-9Ni-Nb S34700 A213, A269, A312, A376 1.4550 SUS347

High strength

● Chemical plant

Austenitic 347H 18Cr-9Ni-Nb-High C S34709 A213, A269, A312, A376 1.4942 SUS347H

High elevated temperature strength

● Chemical plant

Duplex 329J3L 22Cr-5Ni-3Mo-0.15N S31803 1.4462 SUS329L3L (JIS G3463)

High corrosion resistance

Duplex 329J4L 25Cr-7Ni-3Mo-0.2N S31260 A789 SUS329J4L (JIS G3463)

High corrosion resistance

Duplex S31500 18.5Cr-5Ni-2.7Mo S31500 A789

High corrosion resistance

Duplex S32205 22.5Cr-6Ni-3Mo-0.2N S32205 A789 1.4462

High corrosion resistance

Duplex S32750 25Cr-7Ni-4Mo-0.3N S32750 A789 1.4410

High corrosion resistance

● Seawater desalination plant

Martensitic 405 13Cr-Al S40500 A268 TP405 1.4002 SUS405 (JIS G3463)

Low thermal expansion

● Automotive exhaust system

Martensitic 410 13Cr S41000 A213 TP444 1.4006 SUS410 (JIS G3463)

Low thermal expansion

● Automotive exhaust system

Ferritic 430 18Cr S43000 (ASTM A268 TP430) 1.4002 SUS405 (JIS G3463)

Chlorine corrosion resistance

● Water heater

Ferritic 444 19Cr-2Mo-Ti/Nb S44400 A213 TP444 1.4521 SUS444 (JIS G3463)

Chlorine corrosion resistance

● Water heater

Ferritic 446 25Cr-N S44600 A268 TP446-1

Stress corrosion resistance

High Nickel 800 20Cr-30Ni N08800 B163 1.4558 NCF800 (JIS G4904)

High corrosion resistance

High Nickel 800H 20Cr-30Ni-High C N08810 B163 1.4876 NCF800H (JIS G4904)

High strength & corrosion resistance

● Chemical plant

High Nickel 25-22-2 (TP310MoLN) 25Cr-22Ni-2Mo S31050 A213 TP310MoLN 1.4466

Intergranular corrosion resistance

● Urea reactor

High Nickel 904L 20Cr-25Ni-4.5Mo-Cu N08904 1.4539 SUS890L (JIS G3463)

High corrosion resistance

High Nickel 28 27Cr-31Ni-3.5Mo-Cu N08028 B668 1.4563

High corrosion resistance

High Nickel 254SMO 20Cr-18Ni-6Mo-Cu-N S31254 A312 1.4547

High pitting resistance

● Seawater

High Nickel 20 20Cr-35Ni-2Mo-3Cu-Nb N08020 B729 2.4660

High corrosion resistance

High Nickel 825 20Cr-42Ni-3Mo-2Cu-Ti N08825 B163 2.4858 NCF825 (JIS G4904)

High corrosion resistance

● Petroleum refinery

Ni base 600 15Cr-8Fe-Ni N06600 B163 2.4816 NCF600 (JIS G4904)

Oxidation resistance

● pyrometer tube

Ni base 601 23Cr-1.4Al-Ni N06601 B163 2.4851

Oxidation resistance

Ni base 625 22Cr-9Mo-Ni N06625 B163 2.4856 NCF625 (JIS G4904)

High pitting resistance

● Seawater

Ni base 690 29Cr-9Fe-Ni N06690 B163 2.4642 NCF690 (JIS G4904)

High pitting resistance

Ni base 22 21Cr-13Mo-3W-Ni N06022 B622 2.4602 NW6022 (JIS H4552)

High acid resistance

● Chemical plant

Ni base 276 15.5Cr-16Mo-5Fe-Ni N10276 B622 2.4819 NW0276 (JIS H4552)

High acid resistance

● Chemical plant

Ni base 200 Pure Ni N02200 B163 2.4066 NW2200 (JIS H4552)

High acid resistance

● Caustic soda or hydrogen chloride

Ni base 201 Pure Ni-Low C N02201 B163 2.4068 NW2201 (JIS H4552)

High corrosion resistance

● Caustic soda or hydrogen chloride

Original Grades

Classification Grade Basic chemical composition Standard Features
  • Applications
      UNS No. ASTM ASME Others  
Austenitic Austenitic stainless (high Ni) alloy tubes for ethylene plants 25Cr-38Ni-Mo-Si

carburization resistance

● Ethylene plant

Austenitic 347AP 18Cr-11Ni-0.3Nb S34751 A213/A213M, A312/A312M, A182/A182M, A240/A240M, A403/A403M, A358/A358M, A965/A965M, A193-B8C, A194-8C, A580/A580M Code Case 2196-3

Polythionic acid SCC Resistance

● Hydro-treater or hydro-cracker plant

Duplex DP3W 25Cr-7Ni-3.2Mo-2W-N S39274 A789/A789M, A790/A790M, A240/A240M, A480/A480M, A182/A182M Section VIII, Code Case2427 (Plate), Section Ⅱ S39274 NACE MR0175, NORSOK M-630

High corrosion resistance

● umbilical tube

Duplex DP28W 27.5Cr-7.7Ni-W-Mo-N S32808 A789/A789M, A790/A790M, A240/A240M Code Case 2496-1

High corrosion resistance

● Urea plant

Austenitic NSSMC 696 30Cr-60Ni-2.1Cu-1.5Si N06696 B163, B166, B167, B168 Code Case 2652

High metal dusting corrosion resistance

● Chemical industry

Ferritic YUS190 19Cr-2Mo-Ti-Nb-ULC-LN TP444

SCC resistance (more than TP304)

● Chemical plant or steam boiler

Austenitic YUS270 20Cr-18Ni-6Mo-0.7Cu-0.2N-LC S31254

High corrosion resistance

● Seawater desalination plant

Duplex YUSDX1 22Cr-5Ni-3Mo-0.13N-LC S31803

High corrosion resistance

● Chemical plants