Ko ngā hanganga karaehe, ngā āhuatanga miihini me ngā whakaritenga whakaputa e whakahaeretia ana e te whānuitanga o ngā paerewa o te ao me te motu mō te maitai kore waikura. Ahakoa e whakamahia tonutia ana te pūnaha tau mati-toru AISI tawhito mō te maitai kore waikura (hei tauira, 304 me te 316) mō te whakarōpūtanga o ngā karaehe maitai kore waikura, kua whakawhanakehia he pūnaha whakarōpūtanga hou.
Kei roto i ēnei pūnaha he tau UNS 1-reta + 5-mati, pērā i te S30400, e ai ki te whakamāramatanga a SAE me ASTM. Kei te tangohia e ngā whenua o Ūropi ngā paerewa paerewa kotahi o Euro. Kei te whakakapi, kei te urutau rānei ēnei whenua i ā rātou ake paerewa motuhake ki te whenua kia rite ki ngā paerewa paerewa Euro. Ko ētahi atu tohu e whakakapia ana ko ngā tau BS me EN tawhito pērā i te 304S31 me te 58E.
Kāore ētahi māka e hipokina e ngā tau paerewa, ā, ka noho pea hei māka rangatira, ka tapaina rānei mā te whakamahi i ngā paerewa mō ngā hua motuhake pēnei i te waea whakarewa.
Kei roto i te "Guide to Stainless Steel Specifications" a te British Stainless Steel Association te whakamārama taipitopito mō ngā paerewa kowiri tira, e mōhiotia ana ko te BSSA "Blue Guide".
Kei te ripanga i raro nei te rārangi o ngā momo maitai kore waikura, ō rātou tohu BS tawhito, te nama UNS hou me te tohu EN hou.
| Tau | Nama UNS | BS | Tau Auau Euro |
| 301 | S30100 | 301S21 | 1.4310 |
| 302 | S30200 | 302S25 | 1.4319 |
| 303 | S30300 | 303S31 | 1.4305 |
| 304 | S30400 | 304S31 | 1.4301 |
| 304L | S30403 | 304S11 | 1.4306 |
| 304H | S30409 | - | 1.4948 |
| (302HQ) | S30430 | 394S17 | 1.4567 |
| 305 | S30500 | 305S19 | 1.4303 |
| 309S | S30908 | 309S24 | 1.4833 |
| 310 | S31000 | 310S24 | 1.4840 |
| 310S | S31008 | 310S16 | 1.4845 |
| 314 | S31400 | 314S25 | 1.4841 |
| 316 | S31600 | 316S31 | 1.4401 |
| 316L | S31603 | 316S11 | 1.4404 |
| 316H | S31609 | 316S51 | - |
| 316Ti | S31635 | 320S31 | 1.4571 |
| 321 | S32100 | 321S31 | 1.4541 |
| 347 | S34700 | 347S31 | 1.4550 |
| 403 | S40300 | 403S17 | 1.4000 |
| 405 | S40500 | 405S17 | 1.4002 |
| 409 | S40900 | 409S19 | 1.4512 |
| 410 | S41000 | 410S21 | 1.4006 |
| 416 | S41600 | 416S21 | 1.4005 |
| 420 | S42000 | 420S37 | 1.4021 |
| 430 | S43000 | 430S17 | 1.4016 |
| 440C | S44004 | - | 1.4125 |
| 444 | S44400 | - | 1.4521 |
| 630 | S17400 | - | 1.4542 |
| (904L) | N08904 | 904S13 | 1.4539 |
| (253MA) | S30815 | - | 1.4835 |
| (2205) | S31803 | 318S13 | 1.4462 |
| (3CR12) | S41003 | - | 1.4003 |
| (4565S) | S34565 | - | 1.4565 |
| (Zeron100) | S32760 | - | 1.4501 |
| (UR52N+) | S32520 | - | 1.4507 |
Kāore a ASTM e mōhio ki ngā tohu i roto i ngā pūwero. He maha atu ngā tohu me ngā whakaritenga e wātea ana.
Ko ngā rauemi i tukuna mai e Jindalai Steel Group kua hangaia kia tutuki ai ētahi paerewa i runga i te hua. Ka hipokina hoki e ngā paerewa te whakaotinga o te rauemi.
Jindalai Steel Group - te kaihanga rongonui o te maitai kore waikura i Haina. Neke atu i te 20 tau te whanaketanga o ā mātou wheketere i ngā mākete o te ao, ā, e rua ā mātou wheketere me te kaha whakaputa neke atu i te 400,000 tāne ia tau. Mena kei te hiahia koe ki ētahi atu kōrero mō ngā rauemi maitai kore waikura, nau mai whakapā mai ki a mātou i tēnei rā, tono utu rānei.
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Wā tuku: Hakihea-19-2022
