OLELO HOOLAHA: Hiki ke hoʻokaʻawale ʻia ke kila forging i ke kila kalapona, ke kila kila haʻahaʻa, ke kila kila waena a me ke kila kila kiʻekiʻe.He ʻokoʻa nā waiwai a me ka hoʻohana ʻana o nā kila like ʻole. E like me 5CrMnMo, 3Cr2W8V kila i hoʻohana ʻia i ka hana ʻana i nā mea wela forging make;1Cr13, 2Cr13, 3Cr13, 4Cr13 kila i hoʻohana ʻia i nā mea lapaʻau;1Cr18Ni9, 1Cr18Ni9Ti kila i hoʻohana ʻia i nā ʻāpana pale ʻino;ʻO ke kila Mn13 i hoʻohana ʻia i nā ʻāpana pale ʻaʻahu;hoʻohana ʻia i ke kila wela 5CrMo, 4Cr10Si2Mo no nā ʻāpana;aiʻole 304, 304L, 316, 316L, 2205, 45, 42CrMo, 27SiMn, 40CrNiMo, 40Cr, Q345B / C / D / E, GCr15 kila, a me nā mea'ē aʻe.a i ʻole no ka hoʻopaʻa ʻana i nā mea hana 40Cr, 42CrMo, 20CrMnMo, 20CrMnTi, 42CrMo, 40Cr kila a pēlā aku.
Eia kahi ʻāpana mai kekahi mau kila forging maʻamau no kahi loiloi maʻalahi.E nānā ma lalo:
1. 20SiMn
- Loaʻa iā ia ka ikaika a me ka paʻakikī, ka hana machining maikaʻi, a me ka hana wiliwili maikaʻi.Hiki ke pani i ke kila 27SiMn a me S45C;
- He kūpono no ka welding electroslag, hoʻokahi hydraulic props a me nā ʻāpana me ka mānoanoa o ka paia ʻāpana;
- Ka ikaika tensile ≥ 450;ʻO ka ikaika ≥ 255;Elongation ≥ 14;Ka ikehu hopena ≥ 39;Ka nui o ka ʻāpana (ka anawaena a i ʻole ka mānoanoa): 600~900mm;
- Nā ʻano hana mālama wela maʻamau: normalizing + tempering.
2. 35SiMn
- Loaʻa iā ia ka ikaika kiʻekiʻe, ke kūpaʻa ʻana, ka paʻakikī a me ke kūpaʻa luhi, ka machinability maikaʻi, ka hardenability maikaʻi, ka maikaʻi ʻole o ka hana kuʻi ʻana, a me ke anuanu deformation plasticity.ʻO ka hoʻokele waiwai maikaʻi, hiki iā ia ke hoʻololi piha i ka 40Cr a i ʻole ke hoʻololi i ke kila 40CrNi;
- Hoʻohana maʻamau i nā ʻano liʻiliʻi liʻiliʻi a me nā ʻāpana liʻiliʻi,e like me nā mea hoʻoili, nā kumu nui, nā milo, nā lāʻau kaʻawili, nā lāʻau hoʻohui, nā ilo, nā kaʻa kaʻa, nā kumu hana hoʻoheheʻe, nā ʻauamo, nā huila lele, nā hubs, nā mea hoʻoheheʻe, nā lima koʻi, nā ʻōuʻu palau, nā paipu kila ʻeleʻele ma ka paia.ʻO nā mea hoʻopaʻa koʻikoʻi like ʻole a me nā forgings nui a liʻiliʻi;
- Ka ikaika tensile ≥885MPa;ʻO ka ikaika ≥735MPa;Elongation ≥15;Ka ikehu hopena ≥47;
- ʻO nā ʻano hana hoʻomaʻamaʻa wela maʻamau: hoʻopau i nā degere 900, hoʻoluʻu wai, hoʻomaʻamaʻa 570 degere, hoʻoluʻu wai a i ʻole ka ʻaila.
3. 50SiMn
- ʻO ka ikaika kiʻekiʻe a me ka paʻakikī maikaʻi, ka pale ʻana i ka corrosion maikaʻi, ke kūpaʻa ʻana o ka oxidation kiʻekiʻe, ka hana palaki maʻalahi, ka hoʻopau ʻana o ka ʻili kiʻekiʻe, a me ka naʻau i ka huhū brittleness.Hiki ke pani i ka 40Cr;
- Hoʻohana nui ʻia no nā mīkini apo nui, nā huila a me nā ʻāpana ʻāpana me nā ʻāpana liʻiliʻi a me waena.
4. 16MnCr
- He kila kila i lawe ʻia mai Kelemania, e like me16CrMnH o Kina, Loaʻa i ka hardenability maikaʻi a me ka machinability maikaʻi, ka paʻakikī o ka ʻili kiʻekiʻe, ke kūpaʻa ʻana o ka ʻaʻahu kiʻekiʻe, a me ka ikaika haʻahaʻa haʻahaʻa haʻahaʻa;
- Hoʻohana maʻamau ʻia no nā ʻāpana nui, e like me nā mīkini, nā ʻauʻau, nā ilo, nā pūlima sila, nā sila hinu turbine, nā lima lima a me nā bolts, etc.;
- Ka ikaika tensile 880-1180;Ka ikaika 635;Elongation 9;Paʻakiki ≤297HB;
- Heat lapaʻau kiko'ī: 900 ° C aila quenching + 870 ° C aila quenching, 200 ° C tempering.
5. 20MnCr
- He kila carburizing i lawe ʻia mai Kelemania,e like me 20CrMn ma Kina, hiki ke hoʻohana ʻia e like me ke kila kinai ʻia a me ke kila.Maikaʻi hardenability, wela liʻiliʻi deformation, maikaʻi haʻahaʻa wela toughness, maikaʻi oki hana, akā ilihune weldability;
- Hiki ke hoʻohana ʻia no nā ʻāpana me ka ʻāpana liʻiliʻi liʻiliʻi, ke kaomi waena a ʻaʻohe ukana hopena nui,e like me nā gears, shafts, connecting rods, rotors, lima lima, friction wheels, worms, main shafts, couplings, universal couplings, hoʻoponopono ʻO ka lima o ka mea hoʻoponopono wikiwiki a me nā kī o ka uhi uhi o ka moku kiʻekiʻe, etc.;
- Ka ikaika uʻi 1482;ikaika hua 1232;elongation 13;waiwai paakiki hopena 73;paakiki 357HB;
- ʻO ka wehewehe ʻana o ka hoʻomaʻamaʻa wela: 900 ° C ʻaila kinai + 870 ° C ʻaila kinai, 200 ° C hoʻoheheʻe.
6. 20CrMnTi
- Ke kila carburized.He kiʻekiʻe ka hardenability, maikaʻi ka machinability, liʻiliʻi ka deformation machining, a maikaʻi ke kūpaʻa luhi.Loaʻa i ka ikaika haʻahaʻa haʻahaʻa haʻahaʻa a me ka weldability waena;
- Hoʻohana nui ʻia ia i nā kaʻa hoʻoili kaʻa, hiki ke hoʻohana ʻia e like me ke ʻano o nā mea hoʻohana, nā ʻauʻau, nā apo, nā poʻo keʻa, etc.;nā ʻāpana koʻikoʻi me kahi ʻāpana keʻa ʻoi aku ma mua o 30mm, e like me nā mīkini, nā ʻāpana apo, nā ʻauʻau, nā sliding bearings, nā kumu nui, nā lima lima, nā ilo, nā poʻo keʻa, etc.;
- Ka ikaika tensile≥1080(110);Hua ikaika≥835(85);Elongation≥10;Impact energy≥55;Impact toughness value≥69(7);Hardness≤217HB;
- Heat lapaʻau kiko'ī: Quenching: manawa mua 880 ℃, ka lua o ka manawa 870 ℃, aila hoʻoluʻu;ka hoʻoheheʻe ʻana i ka 200 ℃, ka hoʻoluʻu wai, ka hoʻoluʻu ea.
7. 20MnMo
- Hana maikaʻi wili.Ua like loa ka hui kemika o SA508-3cl.2;
- Hoʻohana ʻia no ka mahana wela a me nā kīʻaha kiʻekiʻe, e like me ke poʻo, ka uhi lalo, cylinder, etc.;
- Ka ikaika tensile ≥470;ʻO ka ikaika ≥275;Elongation ≥14;Ka ikehu hopena ≥31.
8. 25CrMo4
- ʻO ka ikaika kiʻekiʻe a me ka paʻakikī, kiʻekiʻe hardenability, ʻaʻohe huhū brittleness, weldability maikaʻi loa, haʻahaʻa haʻahaʻa e hana i nā māwae anu, ka machinability maikaʻi a me ka plasticity strain strain.
- Hoʻohana maʻamau i ka hoʻopiʻi ʻana a i ʻole ka carburized a quenched state, hoʻohana ʻia ia e hana i nā paipu kiʻekiʻe-pressure a me nā mea hoʻopaʻa like ʻole e hana ana i ka media non-corrosive a me ka media i loaʻa i nā hui nitrogen a me ka hydrogen me kahi mahana hana ma lalo o 250 ℃, a me ka pae kiʻekiʻe. infiltration Nā ʻāpana kalapona, e like me nā gears, shafts, pressure plates, piston connecting rods, etc.;
- Ka ikaika tensile ≥ 885 (90);Ka ikaika hua ≥ 685 (70);Elongation ≥ 12;Ka ikehu hopena ≥ 35;Impact toughness value ≥ 98 (10);Paʻakiki ≤ 212HB;
- ʻO ka wehewehe ʻana o ka mālama ʻana i ka wela: ke kinai ʻana ma 880 ℃, ka hoʻoluʻu wai, ka ʻaila ʻaila;ka hoʻoheheʻe ʻana ma 500 ℃, ka hoʻoluʻu wai, ka ʻaila ʻaila.
9. 35CrMo
- ʻO ka ikaika creep kiʻekiʻe a me ka lōʻihi i ka wela kiʻekiʻe, hiki i ka mahana hana lōʻihi ke hiki i 500 ℃;ʻO ka plasticity haʻahaʻa i ka wā o ka deformation anu, ka weldability maikaʻi ʻole;haʻahaʻa haʻahaʻa a hiki i -110 ℃, me ka ikaika static kiʻekiʻe, ka paʻakikī o ka hopena a me ka ikaika luhi kiʻekiʻe, Paʻa paʻakikī maikaʻi, ʻaʻohe manaʻo e overheat, liʻiliʻi quenching deformation, plasticity ʻae ʻia i ka wā anuanu, machinability medium, akā aia ke ʻano mua o ka huhū brittleness, a ʻaʻole maikaʻi ka weldability.Pono e preheated i 150 ~ 400 degere Celsius ma mua o ke kuʻi ʻana.Ma hope o ka weld wela e hoʻopau i ke kaumaha.Hoʻohana maʻamau ma hope o ka hoʻopau ʻana a me ka hoʻoheheʻe ʻana, hiki ke hoʻohana ʻia ma hope o ke kiʻekiʻe a me ke alapine pinepine o ka ʻili a i ʻole ka quenching a me ka haʻahaʻa a me ka haʻahaʻa haʻahaʻa haʻahaʻa;
- Hoʻohana nui ʻia no ka hana ʻana i nā ʻāpana koʻikoʻi i nā mīkini like ʻole e loaʻa i ka hopena, kūlou a torsion, a me nā ukana kiʻekiʻe, e like me nā ʻāpana ʻāpana nui, nā pahu lawe kaumaha, nā rotors engine turbine, nā kumu nui, nā kumu kākoʻo, nā kī, nā crankshafts, crankshafts, hammer rods. , Nā koʻokoʻo hoʻohui, nā mea hoʻopaʻa, nā ʻauwaʻa paʻa mānoanoa ʻole o ke kaomi kiʻekiʻe, etc.;
- Ka ikaika tensile ≥ 985 (100);Ka ikaika hua ≥ 835 (85);Elongation ≥ 12;Ho'emi i ka wahi ≥ 45;Ka ikehu hopena ≥ 63;Impact toughness value ≥ 78 (8);Paʻakiki ≤ 229HB;
- Heat lapaʻau kikoʻī: quenching 850 ℃, aila hooluolu;ka hoʻoheheʻe ʻana i ka 550 ℃, ka hoʻoluʻu wai, ka ʻaila ʻaila.
10. 42CrMo
- Loaʻa iā ia nā waiwai mechanical maikaʻi a me ka hana hana,a ʻoi aku kona ikaika a paʻakikī ma mua o 35CrMo;
- Hoʻohana ʻia no ka hana ʻana i nā forgings me ka ikaika kiʻekiʻe a i ʻole ka pauku hoʻopau ʻia a ʻoi aku ka maikaʻi ma mua o ke kila 35CrMo, e like me nā mīkini nui no ka locomotive traction, supercharger transmission gears, hope axles, connecting rods, reducers, connecting shaft universal couplings and 8.8 grades , Bolts, nuts, washers , etc. i ke anawaena a hiki i 100mm;
- ʻO ka paʻakikī Annealing 255 ~ 207HB, hoʻopau i ka paʻakikī ≥60HRC;
11. 50CrMo
- ʻOi aku ka ikaika a me ka paʻakikī ma mua o 42CrMo, hoʻohana maʻamau ma hope o ke kinai ʻana a me ka hoʻoulu ʻana.Hiki ke hoʻololi i ke kila kinai ʻia a me ke kila me ka ʻike nickel kiʻekiʻe;
- Hoʻohana ʻia no ka hana ʻana i nā forgings me ka ikaika kiʻekiʻe a i ʻole ʻāpana ʻoi aku ka nui ma mua o ke kila 42CrMo, e like me nā mīkini nui no ka locomotive traction, supercharger transmission gears, hope axles, engine cylinders, 1200~2000m oil deep well drill pipe joints, fishing tools, piston rods and Grade 8.8 nā mea hoʻopaʻa me ke anawaena o 100 ~ 160mm;
- Kaʻina hana wela: hoʻopau i ka 850 °;mea hoʻoluʻu: ʻaila;ka mahana wela 560°;mea hoʻoluʻu: wai, ʻaila;
- ʻO ka ikaika tensile he MPa1080;ʻo ka helu huaʻai ʻo MPa930;ʻo ka elongation he 12, ʻo ka hoʻemi ʻana o ka ʻāpana he 45, a ʻo ka hopena o ka absorption he 63;
12. 20CrMnMo
- Ke kila carburized kiʻekiʻe, ʻoi aku ka ikaika ma mua o 15CrMnMo;haʻahaʻa haʻahaʻa haʻahaʻa a me ka paʻakikī, ʻoi aku ka paʻakikī a me nā waiwai mechanical ma mua o 20CrMnTi;maikaʻi nā waiwai mechanical piha a me ka hopena haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa ma hope o ke kinai ʻana a me ka hoʻonā ʻana;ʻoi aku ka kiʻekiʻe ma hope o ka carburizing a me ke kinai ʻana He kiʻekiʻe ke kuʻekuʻe o ka ikaika a me ke kūpaʻa ʻana, akā hiki ke maʻa i ka wā wili;maikaʻi ʻole ka weldability, kūpono no ke kūʻē ʻana i ka welding, preheating ma mua o ke kuʻi ʻana, a me ka tempering ma hope o ke kuʻi ʻana;maikaʻi machinability a wela workability.Hiki ke hoʻohana ma kahi o 12Cr2Ni4;
- Hoʻohana maʻamau no ka hana ʻana i nā ʻāpana carburized nui a koʻikoʻi me ka paʻakikī kiʻekiʻe, ka ikaika kiʻekiʻe, ka paʻakikī kiʻekiʻe a me ke kūpaʻa ʻana, e like me nā crankshafts, camshafts, nā koʻokoʻo hoʻohui, nā mea hoʻoheheʻe kiʻekiʻe, nā mīkini, nā pine pine, etc.;
- Ka ikaika tensile ≥ 1180;Ka helu hua ≥ 885;Elongation ma hope o ka haʻihaʻi ≥ 10;ʻO ka emi ʻana o ka pauku ≥ 45;ʻO ka hana hoʻopili hopena ≥ 55;Brinell paakiki ≤ 217;
- Hoʻomaʻamaʻa wela: hoʻopau i ka wela wela o 850 ℃;ka wela wela o ka 200 ℃;
13. 18MnMoNb
- ʻO ke kūpaʻa wela kiʻekiʻe ma lalo o 500 ~ 530 ℃, maikaʻi ke kuʻi ʻana a me ka hana hana;
- Hoʻohana maʻamau i nā moku kiʻekiʻe kiʻekiʻe kiʻekiʻe, hydraulic cylinders, hydraulic turbine shafts, etc. Low-alloy structural steel for boilers and pressure vessels.Loaʻa iā ia ka ikaika kiʻekiʻe a me ka lākiō hua, ka maikaʻi o ka hoʻoheheʻe ʻana i ka wela a me ka hana wela waena, ka hana maʻalahi, ka hana kuʻi ʻana maikaʻi, a me ke kūpaʻa wela kiʻekiʻe.Hoʻohana ʻia i ka hana ʻana i nā pahu pahu pahu pahu kiʻekiʻe a me nā pahu kemika nui;hoʻohana pū ʻia e like me nā kumu nui o nā turbines hydraulic a me nā hydro-generators, a me nā kumu kaʻa AC a me DC;
- Ka ikaika tensile ≥635;ʻO ka ikaika ≥510;Elongation 17;ʻO ka waiwai o ka paʻakikī o ka lumi wela 69;
- ʻO ka wehewehe ʻana o ka mālama wela: ka hoʻomaʻamaʻa maʻamau + ka hoʻomaʻamaʻa ʻana: 950 ~ 980 ° ka hoʻomaʻamaʻa ʻana, ka mālama ʻana i ka wela 1.5min～2.0min/mm, 600～650 ° ka hoʻoulu ʻana, ka mālama ʻana i ka wela 5min～7min/mm, ka hoʻoluʻu ea.
14.42MnMoV
- ʻO ke kila haʻahaʻa haʻahaʻa i hoʻopaʻa ʻia.Hiki ke pani i ka 42CrMo;
- Hoʻohana nui ʻia e hana i nā shafts a me nā mīkini, etc.;
- ʻO 45 ~ 55HRC ka paʻakikī paʻakikī;ikaika tensile ≥765;ikaika hua ≥590;elongation ≥12;ka ho'ēmi o kahi ≥40;ikehu hopena ≥31;paakiki 241-286HB.
Source: Nā palapala ʻoihana mīkini.
Lunahooponopono: Ali
Ka manawa hoʻouna: Nov-16-2021