$1500-8000 /Metric Ton
| Payment Type: | L/C,T/T,D/P,Paypal |
| Incoterm: | FOB,CFR,CIF,FAS,FCA |
| Min. Order: | 1 Metric Ton |
| Transportation: | Land,Air,Ocean,Express |
Standard: Jis, Aisi, Astm, Gb, Din, En
Species: Seamless, Welded
Material: 200 Series, 300 Series, 400 Series, 600 Series
Certification: Iso
Weld Shape: Seamless
Tolerance: ±1%, ±20%, ±10%, ±15%, ±3%, ±5%
| Selling Units | : | Metric Ton |
The concept of super austenitic Stainless Steel emerged together with super ferritic stainless steel and super duplex stainless steel. Typical examples are super austenitic stainless steel containing 6% molybdenum and 7% molybdenum. These steel grades are developed for some industries with harsh working conditions, such as petrochemical, chemical, papermaking and offshore systems. The famous grades of austenitic stainless steel pipes are 18-8 (daily 18-10 or 19-9) type 304 stainless steel (00Cr19Ni10 in China) and 18-12-2 type 316 (0Cr17Ni12Mo2). In order to solve the intergranular corrosion sensitivity caused by chromium depletion caused by the precipitation of chromium carbides after welding of austenitic stainless steel, carbide stabilizing elements titanium and niobium were added in the early stage. In the late 1960s, the advent of AOD and VOD and other furnace refining process technologies reduced the carbon content in steel to ≤ 0.03%, solved the sensitivity of intergranular corrosion of austenitic stainless steel in the sensitized state (after welding), improved the purity of steel, and also solved the sensitivity of solid solution intergranular corrosion of steel. Therefore, since the 1980s, the new austenitic stainless steels developed are basically ultra-low carbon.
| China GB | ISO Unified Digital Code | ASTM / ASME Grade | UNS Code | EN Code | Company Commercial Grade |
| 06Cr19Ni10 | S30408 | 304 | S30400 | 1.4301 | – |
| 07Cr19Ni10 | S30409 | 304H | S30409 | 1.4948 | – |
| 022Cr19Ni10 | S30403 | 304L | S30403 | 1.4307 | – |
| 022Cr19Ni10N | S30453 | 304LN | S30453 | 1.4311 | – |
| – | – | Super304 | S30432 | – | Super304H(NSSMC) |
| 06Cr18Ni11Ti | S32168 | 321 | S32100 | 1.4541 | – |
| 07Cr18Ni11Ti | S32169 | 321H | S32109 | 1.494 | – |
| 06Cr17Ni12Mo2 | S31608 | 316 | S31600 | 1.4401 | – |
| 022Cr17Ni12Mo2 | S31603 | 316L | S31603 | 1.4404 | – |
| 022Cr17Ni12Mo2N | S31653 | 316LN | S31653 | 1.4406 | – |
| 06Cr17Ni12Mo3Ti | S31668 | 316Ti | S31635 | 1.4571 | – |
| 00Cr17Ni14Mo2 | | 316LMoD/316LUG | S31603 | 1.4435 | – |
| 022Cr19Ni13Mo3 | S31703 | 317L | S31703 | 1.4438 | – |
| 022Cr19Ni16Mo5N | S31723 | 317LMN | S31725 | 1.4439 | – |
| 06Cr25Ni20 | S31008 | 310S | S31008 | 1.4845 | – |
| 00Cr19Ni11 | – | 304L | S30403 | 1.4307 | 3RE12(Sandvik) |
| – | – | 310L | S31002 | 1.4335 | 2RE10(Sandvik) |
| 20Cr25Ni20 | S31020 | 310H | S31009 | 1.4821 | |
| 16Cr25Ni20Si2 | S38340 | 314 | – | 1.4841 | |
| 022Cr25Ni22Mo2N | S31053 | 310MoLN | S31050 | 1.4466 | 2RE69(Sandvik) |
| – | – | 310HCbN | S31042 | – | HR3C(NSSMC) |
| 07Cr18Ni11Nb | S34749 | 347H | S34709 | 1.4942 | – |
| – | – | 347HFG | S34710 | – | – |
| 015Cr21Ni26M5Cu2 | S31782 | 904L | N08904 | 1.4539 | 2RK65(Sandvik) |
| 015Cr20Ni18Mo6CuN | S31252 | S31254 | S31254 | 1.4547 | 254 SMO (Sandvik) |
| 00Cr20Ni24Mo6N | – | N08367 | N08367 | – | AL6XN, AL6XN plus(ATI) |
| 00Cr21Ni25Mo6CuN | – | N08926 | N08926 | 1.4529 | – |
| 015Cr24Ni22Mo8Mn3CuN | S32652 | S32654 | S32654 | 1.4652 | 654SMO(Outokumpu) |
| 00Cr22Ni27Mo7CuN | – | S31277 | S31277 | – | – |
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