ʻO nā kila kila i hoʻohana pinepine ʻia he 304 a me 316, me nā mea hoʻonui e like me 304L, 316L, a me 316H. Eia kekahi, aia he 440C, 2507, a pēlā aku. No laila he aha ʻo CF8M a me CF3? Pehea lā wau e ʻike ai iā F316? He aha ka mea e hana nei me TP316L?
1, No ka hoʻākāka ʻana i kēia, e nānā mua kākou i ke ʻano o nā mea hana. I loko o ka ʻoihana valves a me nā mea hana, ʻo nā mea i hoʻohana nui ʻia he forgings, bar stock, castings, a me nā paipu. He aha nā kūlana kūpono no kēia mau ʻano mea ʻehā i kā mākou ʻoihana? E ʻoluʻolu e nānā i kēia papa:
|
| 304 | 304L | 316 | 316L |
| Ke kāhiko ʻana | F304 | F304L | F316 | F316L |
| Waiwai Pā | 304 | 304L | 316 | 316L |
| Ke hoʻolei ʻana | CF8 | CF3 | CF8M | CF3M |
| Paipu | TP304 | TP304L | TP316 | TP316L |
Hoʻohana ka mea waihona lāʻau i ke ʻano kumu, a hoʻohui ʻia ʻo F i ka forging, kahi e hōʻike ai ʻo F i ka forging; Ua hoʻohui ʻia ʻo C i ka hoʻoheheʻe ʻana, kahi e hōʻike ai ʻo C i ka hoʻoheheʻe ʻana; Ua hoʻohui ʻia ʻo TP i ka paipu, ʻo ia hoʻi ka paipu.
2, He aha ka ʻokoʻa ma waena o 304 a me 316? He aha ka L o 304L a me 316L e hōʻike nei? He aha ka manaʻo o ka H o 316H? E nānā kākou i ka papa hoʻonohonoho kemika o nā papa like ʻole o ASTM A276, kahi ʻo 316H ke kūlana ASTM A182 (ʻaʻole i hoʻokomo ʻia kēia papa i ka kūlana 276):
| Papa | Hoʻohuihui Kemika,% | ||||||||
|
| C | Mn | P | S | Si | Cr | Ni | Mo | ʻĒ aʻe |
| 304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | … | … |
| 304L | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-12.0 | … | … |
| 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 10.0-14.0 | 2.00-3.00 | … |
| 316L | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 10.0-14.0 | 2.00-3.00 | … |
| 316H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | … |
Wahi a ka papa, ua maopopo he haʻahaʻa ka nui o ke kalapona ma L, ʻo H ke kiʻekiʻe o ka nui o ke kalapona, a ʻo ka ʻokoʻa ma waena o 316 a me 304 ka hoʻohui ʻia ʻana o kahi element Mo, ʻo ia hoʻi he element Mo hou ko CF3M i hoʻohālikelike ʻia me CF3.
3, Ma waho aʻe o kēia mau kila kila kila 3-series maʻamau, he aha nā mea ʻē aʻe o 2507, 440C a me nā mea ʻē aʻe? Ua kapa ʻia kēia mau kila kila kila 3-poʻo maʻamau he mau kila kila austenitic, ʻoiai ʻo 2507 he kila duplex (ferritic a me austenitic), no ke kila kila martensitic ʻo 440C, a aia kekahi mau kila kila ferritic e like me 430.
Hiki ke ʻike ʻia no ka hoʻākāka ʻana i kēia mau kila kila maʻamau, ʻo ka mea mua e hoʻokaʻawale i ke ʻano: nā paipu waihona lāʻau, a pēlā aku, ʻo ka lua nā kūlana i hahai ʻia, a ʻo ke kolu nā ʻokoʻa o ke ʻano. Mai kēia kuanaʻike, ma hope o ka hoʻomaʻamaʻa ʻana iā ʻoe iho me ke ʻano o nā code leka, ʻaʻole paʻakikī ke hoʻomaopopo i ke ʻano o kēia mau māka.
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Ka manawa hoʻouna: Pepeluali-27-2025