1. Hōʻikeʻike
17-4 kila kohu ʻole vsa 316 kila kohu ʻole e hōʻike ana i nā'āpanaʻokoʻaʻelua i loko o ka kila kohu ʻole ohana, kēlā me kēiaʻenehana no nā koi kūpono.
17-4, he mea nui-paʻakikī (Ph) Martelitic Vielless Steel, kaulanaʻia no ka ikaika kūʻokoʻa, paakiki, a me ka wela wela, e hana maikaʻiʻia no ka uku kiʻekiʻe, Nā Kūlana Kūʻai Kūʻai.
He ʻokoʻa, 316, kahi kila kila austeditic, ua manaʻo nuiʻia no kona paleʻana i ke kū'ēʻana, nui ma ka chrlode-waiwai a me nā wahi moana, Ma muli o ke alo o Molybdenum, kahi hiʻohiʻona e kākoʻo ana i kona hoʻohanaʻana i ka hoʻohanaʻana i ke olakino, ʻO ka ho'ōlaʻana i ka meaʻai, a me nāʻoihana moana.
ʻOiaiʻo nā alloys e kaʻana likeʻole i kahi kahua maʻamau o ka corrosione e pili ana i ka hoʻomaikaʻiʻana i ka chromium, ʻO kā lākou mau microstructure a me nā microstructure a alloying e hāʻawi i nāʻano likeʻole i nā loli koʻikoʻi ma ka ikaika, kūlohelohe, hana hana, a ke komoʻana o ka nohona noho.
2. Hoʻohālikelike hoʻohālikelike o 17-4 ʻO Steelle Craels vs 316
ʻO keʻano o keʻano o keʻano o nā mea i pauʻole ma waena 17-4 and 316 nā mea kanu lāʻau, ka hoʻoikaika pololeiʻana i kā lākouʻano hana, Ke kū'ē neiʻo Corrosionion, a pane aku i ka mālama wela.
| Mua | 17-4 PH Strainless Steel | 316 Kila kohu ʻole | Hopena / Kumu |
| Chromium (Cr) | 15.0-17.5% | 16.0-18.0% | Hoʻolako i ka paleʻana o ka corrossion; E hana i nā'āpana oxde |
| Nickel (I) | 3.0-5.0% | 10.0-14.0% | Hoʻopaʻaʻia; hoʻomaikaʻi i ka paleʻana o ka corrosion a me ka paʻakikī |
| Mybrideum (Mo) | - | 2.0-3.0% | Hoʻonui i ke kū'ēʻana i nā churtides a me ka pitting (wale nō 316) |
| keleawe (Cu) | 3.0-5.0% | - | Hoʻonui i ka paʻakikī paʻakikī a me ka ikaika (i 17-4) |
| KālekaʻAʻI (C) | ≤ 0.07% | ≤ 0.08% | Pili i ka paʻakikī a me ka ikaika; Mālamaʻia i ka haʻahaʻa e hoʻomaikaʻi ai i ka ulia |
| Mang kāne (Mn) | ≤ 1.0% | ≤ 2.0% | Deoxididhier; hoʻomaikaʻi i nā hiʻohiʻona wela-hana |
| Silikino (A) | ≤ 1.0% | ≤ 1.0% | Hoʻonui i ka paleʻana o ka onidation a me ka wai |
| Phoshorus (P) | ≤ 0.04% | ≤ 0.045% | Poino; Mālama i ka haʻahaʻa e pale ai i ka brittleness |
| Sulfur (S) | ≤ 0.03% | ≤ 0.03% | E hoʻomaikaʻi i ka Macinalibility i nā helu liʻiliʻi |
| Nihibium + TANTALUM (Nb + Ke alo) | Koho koho | - | Hana e like me ka stabilizer i kekahi 17-4 Nā Kūlana |
| 'Eron (Lia) | Kaulike | Kaulike | Kūlana kumu |
3. Moloka
17-4 Kila kohu ʻole:
- Wahi a Anneed: Austetetitic (cubic cub, Fcc) me nā kāmela liʻiliʻi niobium, palupalu a me ka ductile (200-250 HB).
- ʻO ka'āina i mālamaʻia: Martesestic (kino kino kino, Bctkau ma na) Matrix me nanascale cu-waiwai waiwai (Ma hope o kaʻeha), paʻakikī a ikaika hoʻi (30-45 hrc).
316 Kila kohu ʻole:
- Aupuni Aupuni: Austetetitic (Fcc) me ka loliʻole, Ke waiho nei i nā meaʻole-magnetic a me ka ductile ma waena o nā kūlana a pau (180-200 hb anne i koe; a i 300 ʻO ka hana hana HB-paʻakikī).
4. Nā mea like o 17-4 ʻO Steelle Craels vs 316
ʻO nā mea hana likeʻole o nā mea kila kūponoʻole e pāʻani ai i kahi kūlana koʻikoʻi ma ke kohoʻana i ke kohoʻana no ka laweʻana, komo-koʻikoʻi, a iʻole nā noi pili i nā manaʻo paʻakikī.
17-4 and 316 ʻO nā mea kila stainless, ʻOiaiʻo SS316 ma mua o ka ductitive a me ke kū'ēʻana.
Hoʻohālikelikeʻia nā mea hoʻohuiʻikei
| Waiwai | 17-4 Kila kohu ʻole (H900) | 316 Kila kohu ʻole (Anned) | Nā'ōlelo'ōlelo |
| Ikaika ikaika | 1310 Mpa (190 ksi) | 515 Mpa (75 ksi) | 17-4 Hāʻawi iā 2.5 × kiʻekiʻe kiʻekiʻe ma keʻano paʻakikī |
| Ka ikaika | 1170 Mpa (170 ksi) | 205 Mpa (30 ksi) | 17-4 Ma mua o ka mamao 316 i ka hua, He kūpono no ka hoʻoukaʻana |
| Ewangantion | 10-12% | ≥40% | 316 he nui loa, ʻoi aku ka maikaʻi no ka hanaʻana |
| Hālulu (Rockwell c) | HRC 38-44 | HRC 15-20 | 17-4 Loaʻa i nā paʻakikī nui ma hope o ka wā e hiki mai ana |
| Ka ikaika momona | ~ 550 mpa | Hekikai no AiON | 17-4 hāʻawi i ke ola kaumaha nui ma lalo o nā ukana cyclic |
| Modulus olasticity | ~ 200 GPA | ~ 193 GPA | Ka paʻakikī o ka paʻakikī 17-4 |
| Hopena paʻakikī (Lihua) | Loli (kūlana-hilinaʻi) | Kūpono | 316 ʻoi aku ka maikaʻi no ka cryogenic a iʻole nā mea hoʻonaninani hau |
5. Nā lako kino o 17-4 ʻO Steelle Craels vs 316
| Waiwai | 17-4 Kila kohu ʻole | 316 Kila kohu ʻole | Nā manaʻo nui |
| Huakai | 7.75 g / cm³ | 7.98 g / cm³ | 316 he nui loa; kūpono no nā noi koʻikoʻi |
| Ka HōʻaʻO Kokua | Paulina W / m · K (I 100 ° C) | ~ 16.2 w / m · k (I 100 ° C) | 17-4 hāʻawi i ka maikaʻi o ka wela wela |
| ʻO ka mana wela | 0.46 J / G · HI | 0.50 J / G · HI | 316 Hoʻokomoʻia i ka wela wela i kēlā me kēia gram; mea nui no ka hoʻokele hana thermal |
| ʻO keʻano o ka uila | ~ 0.80 μω · m | ~ 0.74 μω · m | 316 hana maikaʻiʻia ka uila |
| Ka maikaʻi o ka hoʻonuiʻana i ka | ~ 108 μm / m · m (20-100 ° C) | ~ 16.0 μm μ · ke (20-100 ° C) | 316 hoʻonui hou aku me ka mahana; koʻikoʻi no nā hana kūponoʻole |
| ʻO Magnetic Permeibility | Magnetic (Ma hope o kaʻeha) | Non-magnetic (I kahi kūlana) | 17-4 E lilo i ka mālamaʻana i ka hana wela wela; 316 ke waihoʻole nei i nā hanaʻole-magnetic ināʻaʻole i hana |
| Hoʻomālamalama Nā haʻona | 1400-140 ° C | 1370-1400 ° C | ʻElua kūpono no ka lawelawe kiʻekiʻe, aka, 17-4 he wahi haʻahaʻa haʻahaʻa haʻahaʻa |
6. Corrosioniona o 17-4 Ph ftainless camelt vs 316
316 Kila kohu ʻole:
-
- ʻO ka heluʻana i keʻano kūlike (Wood): ~ 30 (Cr + 3.3×hu + 16Anih), E hoʻopau i ka paleʻana i ka paleʻana i nā chrides (E.g., Ke wai wai, Trang Solt).
- Hana: Kū maila i ke kīʻana i ke kai (Pahuikawa <0.01 MM / makahiki) a me nā mea e hoʻopili ai i nā maʻi dilte (E.g., 5% sulfuric acid) ʻoi aku ka maikaʻi ma mua o nā mea kilokilo maikaʻiʻole.
- ʻO ke kūleʻaʻana o ke kalaʻana (SCC): Ka paleʻana i ka scc i nā wahi chlordide a hiki i 120 ° C.
17-4 PH Strainless Steel:
-
- Wood: ~ 20, Ke hoʻokō nei ia i ka hoʻopiliʻana i nā wahi waiwai-waiwai.
- Hana: ʻO ke kū'ēʻana o ka'āina maikaʻi loa ma ka ea maloʻo a iʻole ka wai wai (Kūʻai <0.01 MM / makahiki) Akāʻo nā hoa hana maikaʻi loa i loko o ke kai (Kūʻai >0.1 MM / makahiki) a me nā chroid Acidic.
- SCC: Prne to scc i ka wela (>60° C) Nā hoʻonā kino Kolili (E.g., wai wai palakā, nā mea hoʻomaʻemaʻe o kaʻoihana).
7. ʻO ka mālama wela a me ka paʻakikī
17-4 PH Strainless Steel
17-4 Kila kohu ʻole he mea hoʻoikaika-paʻakikī (Ph) ka helu e hiki ai ke wela i ka wela e hoʻokō ai i kahi ākea ākea o nā meaʻike.
Hoʻomaka ke kaʻina hana me ka hoʻonāʻana i ka hoʻololiʻana ma kahi kokoke 1040° C No hoʻokahi hola, ukaliʻia e ka wai unahi e hana ai i kahi hoʻolālā martivitic paʻakikī.
A lailaʻo kēia ma nāʻano likeʻole i nā hiʻohiʻona ma ka ikaika a me ka paʻakikī:
- H900 (480° C): ʻO nā makana kiʻekiʻe loa (~ 1310 MPA), Akā i ka hoʻohaʻahaʻa haʻahaʻa haʻahaʻa.
- H1025 (595° C) and H1150 (620° C): Hāʻawi i ka hana maikaʻi a me ka paʻakikī (a i 100 J), me ka ikaika iki (~ 1100 mPA).
316 Kila kohu ʻole
316 Kila kohu ʻole, Ma ka hoʻohālikelike, he alloy austetitic alloy ʻAʻole hiki ke paʻakikī i ka mālama wela. Hiki ke hoʻonuiʻia kona ikaika Ke hana anuanu nā ala e like me ka holoʻana a iʻole ke kiʻiʻana.
Hiki i ka hana anuanu ke hoʻokiʻekiʻe i ka ikaika o ka ikaika mai ~ 515 mpa (Anned) i ~ 860 mPA, Akā ma ke kumukūʻai o ka hoʻemiʻana o ka ductity-elngation e hāʻule ai ~ 40% a 10%.
Kāheaʻia ma 1050-1150 ° C, hahaiʻia e REPID ELDING (ʻO ka wai maʻamau), Hoʻihoʻi hou i ka ductility i loko o ke anuanu 316 akā,ʻaʻole e hoʻololi i kānaʻano waihona kālāʻoleʻole.
Ke Kiʻi Kiʻi:
Kila kohu ʻole 17-4 aeia Post-fabrication Mechanical Tuncing ma o ka wela wela, Hāʻawi iā ia i kahi kūpono nui i ka hoʻolālāʻana.
Ss316's waiwai, Akā naʻe,, ua paʻa pono ma hope o ka fabrication keʻole i hoʻololiʻia e ka hana mīkini.
8. Nā lole a me ka machinability
Markinpalibility:
- 17-4 Kila kohu ʻole:
-
- I kahi kūlana (28-32 HRC), E pili ana i ka machlibility 70% pili i ke keleawe manuahi manuahi (100%).
- I ka wā paʻakikī (40-45 hrc), Pono ka machining i nā mea hana kaʻa kaʻa a me nā wikiwiki wikiwiki (50-75 m / i) E hōʻemi i nā mea hana hana.
- 316 Kila kohu ʻole:
-
- Anned 316 (a puni 200 HB) Loaʻa kahi papa inoa machnitability kokoke 60%, kaupalenaʻia e ka hana koʻikoʻi i ka wā eʻoki ana.
- Ke kuhikuhiʻia neiʻo Carbide i nā wikiwiki me kaʻokiʻana i nā wikiwiki o 100-150 m / min.
Welding:
- 316 Kila kohu ʻole:
-
- Hōʻike i nā mea maikaʻi loa me ka hoʻokūkūʻana o SS316 Filler metals.
- ʻAʻole koi i ka preheating a post-weld.
- Ua paʻa nā'ōwili paʻa i kahi kokoke 90% o ke kumu o ka paleʻana o keʻano o ka corrossion.
- 17-4 Kila kohu ʻole:
-
- Wellble me ka hoʻohanaʻana i nā mea hao he 308l.
- Post-Wonding Aging ma 480 ° C he mea pono e hoʻihoʻi hou i ka ikaika mechanical; me ka ole, Ua nalowale nā Zerne i 30-40% o ka ikaika.
NoMame:
- 316 Kila kohu ʻole:
-
- No ka Notmable, me kahi radius liʻiliʻi liʻiliʻi e like me 0.5 × mānoanoa.
- Maikaʻi loa (~ 40%) kākoʻo i ke kiʻi hohonu, ke kūpono kūpono no nāʻano paʻakikī e like me nā mea maikaʻi o nā lāʻau lapaʻau.
- 17-4 Kila kohu ʻole:
-
- Anned 17-4 Hāʻawiʻo Stielless Steel i nā mea maikaʻi maikaʻi me kahi radius liʻiliʻi a puni 1 × mānoanoa.
- Hākūʻia 17-4 Ua liloʻo StAinless Steel, Ke kāohi nei i ka hanaʻana i nā geometr maʻalahi.
9. Hoʻohālikelike hoʻohālikelike o 17-4 Ph ftainless camelt vs 316
- Mea kūʻai:
-
- 17-4 kila kohu ʻole: ~ 10-15%ʻoi aku kaʻoi aku ma mua o 316 I kahi palapala Anned ma muli o ke keleawe a me Noibium.
- 316 kila kohu ʻole: ~ 30%ʻoi aku kaʻoi aku ma mua o ss304 akā ~ 10% cheaper ma mua o nā annenā 17-4 kila kohu ʻole.
- Ka hoʻoiliʻana:
-
- 17-4 kila kohu ʻole: Hoʻohanaʻia ka wela wela i $ 0.5- $ 1.0 / kg, ka hoʻonuiʻana i ke kumukūʻai nui e 10-15%.
- 316 kila kohu ʻole: ʻAʻohe kumukūʻai wela wela, akā, hoʻohuiʻia ka hanaʻana i ka hana ~ 5% e hana i nā kumukūʻai.
- Ke kūʻaiʻana i ke ola:
-
- ʻO SS316 ka lōʻihi o ka lōʻihi o ka lōʻihi o nā wahi o ka hoʻoponopono (E.g., Marine) Ma muli o ka mālama haʻahaʻa / hana pono.
- 17-4 ʻO ke kumukūʻaiʻo Stainless ke kumukūʻai-maikaʻi loa i ka ikaika kiʻekiʻe, nā noi haʻahaʻa haʻahaʻa (E.g., AerERPPACE) kahi e hōʻemi ai kona ikaika i ka paona / helu.
10. Nā hoʻohālikelike hoʻohālikelike o 17-4 ʻO Steelle Craels vs 316
17-4 Nā noi noi noi:
- Aerospace a me ka pale: Hoʻohanaʻia no nā'āpana hoʻonohonoho, ʻO nā mokulele mokulele e koi ana i ka ikaika kiʻekiʻe a me keʻano o ka paleʻana.
- Aila aila: Nā Vilves, Nā'āpana nui, a me nā'āpana hoʻohui i kahi o ka ikaika a me ka paleʻana i ke kūpaʻa he koʻikoʻi.
- Mea hana hana: Nā papahele, Kauluhi, a me nā mea paʻa e pōmaikaʻi ana mai ka wela-mālama, Nā Kūlana Nui.
- Nā Pūnaewele Pūnaewele: Nā mea hana no nā mea hana a me nā mea e hoʻopili ai i kahi kaulike o ka ikaika a me ke kū'ēʻana.
- Kaʻa kaʻa: Nā'āpana hana kiʻekiʻe e like me nā mea he turborachger a me nā kino valve.
316 Nā noi noi noi:
- Airine and on onfshore: Moku, ʻO nā kīna kai, a me nā mea kālepa kālepa e pili ana i nā mea e hiki ai i ka paleʻana o ka corrosion maikaʻi loa i loko o nā wahi waiwai.
- Nā meaʻai a me nā mea inu: ʻO ka hoʻoiliʻana i nā tarks, Piping, a me nā mea hana kahi eʻoi aku ai ka hygiene a me ke kū'ēʻana i nā lāʻau lapaʻau acidic.
- ʻO ka lāʻau lapaʻau a me ka lāʻau lapaʻau: Nā mea hana ʻokiʻoki, nā manaʻo, a me nā mea hoʻokipa hoʻokipa e koi ai i ke kū'ē kū'ē corrison a me ka biocomopitibility.
- Matapili: ʻO nā papa hana hale kūʻai a me nā mea paʻa i hōʻikeʻia i nā mea hōʻeha a me nā mea kanu.
- Kālā Kauka: Nā mea hana wela, Nā mea hana, a me nā mea kūʻai aku e hana ana i nā wahi e kū'ē ai i nā maʻi me nā maʻi a me nā chrides.
11. Hōʻuluʻulu o nāʻano likeʻole o 17-4 ʻO Steelle Craels vs 316
| Waiwai | 17-4 Kila kohu ʻole (US S17400) | 316 Kila kohu ʻole (Us s31600) |
| ʻAno | ʻO ka heluʻana-paʻakikī paʻakikī | ʻO kahi kila kila Austetetitic |
| Ka Hoʻolālā | Piha i ka chromium, nickel, a me ke keleawe; allloy no ka paʻakikī o ka paʻakikī | Piha i ka chromium, nickel, ʻo Mybdelum |
| Ke kū'ē neiʻo Corrosionion | Maikaʻi loa, Akāʻaʻole i emi iki 316, nui loa i nā kaiāulu chrlode | Kūpono, nui loa ma chlode a me nā wahi moana |
| Ikaika | Ikaika ikaika a me ka paʻakikī (hiki ke wela wela) | ʻOi aku ka ikaika ma mua o 17-4; ʻaʻole i mālamaʻia |
| Hālulu | Hiki ke paʻakikī iā ~ 30-40 hrc ma hope o ka mālama wela | No laila,ʻaʻole i paʻakikī pinepineʻia |
| NoMame | Liʻiliʻi no ka hana ma muli o ka ikaika kiʻekiʻe | No ka Notmable |
| Wawahua | Maikaʻi loa, Akā e koi paha i ka hana wela wela | Kūpono; ʻaʻohe post-weld i ponoʻia |
| Markinpalibility | Maikaʻi loa (ʻoi aku ma keʻano paʻakikī) | Loli |
| Nā noi maʻamau | Aerospace, Nā papahele, Nā Vilves, Nā'Upō, ʻO nā'āpana ikaika-ikaika-resistant | Ke kālepaʻana, ʻO nā wahi kai moana, Nā Pūnaewele Pūnaewele |
| Nā waiwai magnetic | Magnetic (Ma muli o keʻano marestitic a iʻole ka hoʻonohonohoʻana) | Maʻamau non-magnetic (Akā hiki iā ia ke lilo i magnetic liʻiliʻi ma hope o ka hana anuanu) |
12. Nā'āpana likeʻole o 17-4 Ceellentle vaelless vs ss316
| Kū-starder | 17-4 Kila kohu ʻole | 316 Kila kohu ʻole |
| Kā mākou | S17400 | S31600 |
| AISI / Liamae | 630 | 316 |
| ISO | X5crindb16-4 | X5cnimo17-12-2 |
| Mai / I | 1.4542 | 1.4401 |
| ʻo ia (Iapana) | Sus630 / Sus17-4PH | Sus316 |
| Gb (Kina) | 05Cr17ni4nu4nb | 06Chindni12MO2 |
| Fr ^EHUI F (Palani) | Z6cnu17.04 | Z7CND17.12 |
13. Hopena
17-4 and 316 Hoʻokomo nā mea hoʻokūkū maikaʻiʻole: kila kohu ʻole 17-4 Hāʻawi i nā ikaika kiʻekiʻe kiʻekiʻe no nā noi pili i nā piliona, ʻOiaiʻo SS316 hāʻawi i ka paleʻana i ka paleʻana i kaʻeha no ka harsh, nā kūlana waiwai-waiwai.
Kā lākou mau divergent, moloka, a me nā waiwai e hana ai iā lākou i kā lākou pūnaewele, e hoʻonui ana i ka mea nui o ka mea e pili ana i nā mea e pili ana i nā koi noi.
LangHe: ʻO ka kila kila kūponoʻole & Nā lawelawe hoʻokipa
LangHe he mea hāʻawi i hāʻawiʻia ʻO nā kila kila kiʻekiʻe kiʻekiʻe, lawelawe i nāʻoihana ma kahi e hana ai, durability, a he koʻikoʻi nā kuʻekuʻe corrosion.
Me nā mea hana holomua holomua a me kahi kūpaʻa e hana i ka hana i ka hana, LangHe Hāʻawi i ka hilinaʻi, ʻO nā mea i hanaʻoleʻia e hoʻopili i nā hopena kila e hoʻokō i nā koi noi noi nui loa.
Hoʻokomoʻia kā mākou mau mea hana kila kūpono:
- Hoʻolei kālā & Nalowale shop
ʻO ka nānāʻana kiʻekiʻe loa no nā geometries paʻakikī, e hōʻoia ana i nā mea i hoʻopaʻaʻia a me nā kiʻekiʻe kiʻekiʻe. - Sand cread & Nā wili lei
Kūpono no nā'āpana nui a me nā hana kūpono, no nā'āpanaʻoihana a me nā pae hoʻonohonoho. - CNC Mīkini & Post-ho'ōla
Hoʻopiha i nā lawelawe machining e komo pū ana, MilightʻAʻole, hoʻomālamalama, Kāleka, a me nā hana kino.
Inā makemakeʻoe i nā'āpana kiʻekiʻe, ʻO nā mea hoʻokūkū paʻakikī, a iʻole nā'āpanaʻokoʻa, LangHe ʻO kāu hoa noho hilinaʻi i loko o ka hana sweel hoʻopunipuni.
Kāhea iā mā˚ou I kēia mau lā e aʻo pehea LangHe hiki ke hāʻawi i nā hopena steelless i nā hopena i nā hana me ka hana, hilinaʻi, a me ka pololei pololei i kāu mau noi.
FaqS
ʻO ka mea ikaika: 17-4 Oole 316 kila kohu ʻole?
Kila kohu ʻole 17-4 I ka H900 huhū (1,310 Ikaika o ke mpa tussile) ʻoi aku ka ikaika ma mua o ss316 (max 860 Hana paakiki-paakiki).
ʻO ss316ʻoi aku ka maikaʻi ma mua o 17-4 ʻO ka mea kilamaka no ke kai?
ʻAe. 316ʻO ka mea lawe akuʻo Molybdenum (Pahuikawa <0.01 MM / makahiki), oiai 17-4 o na corrodes ma 0.1+ MM / makahiki.
Hiki 17-4 Hoʻohanaʻiaʻo Stiinless Steel i nā noi olakino?
Luhi. ʻO kāna paleʻana i ke kuʻekuʻe maikaʻi i loko o nā kino bodily (waiwai ma chrlodes) hoʻokō 316 ʻO ka maʻamau no nā mea kanu a me nā mea hana.
Oe 17-4 ʻO ke kila kila?
ʻAe, I ka wela-mālamaʻia (Martesestic) ʻano; 316 ke kau nei i nā meaʻole-magnetic.
Oe 17-4 Ph stinless steel rus-proof?
ʻAʻole. ʻOiaiʻo Corrosiod-resistant, He mea liʻiliʻi loa ia no ka chloride-waiwai a iʻole nā wahi moana a iʻole nā wahi moana me kaʻole o nā lole.
