ʻO ka maikaʻi maikaʻi loa e hoʻokiʻekiʻe i ka paipu hoʻoheheʻe SAE1020 SAE1045 SAE4140 SAE4340 SAE4145h Quenched and Tempered Steel Hollow Bars
Ke koi nei mākou i ka hāʻawi ʻana i ka hana kiʻekiʻe me ka manaʻo ʻoihana nui, kūʻai huahana pono a me ka lawelawe ʻoi loa a wikiwiki hoʻi.ʻAʻole ia e lawe wale iā ʻoe i ka hopena maikaʻi loa a me ka loaʻa kālā nui, akā ʻo ka mea koʻikoʻi e noho i ka mākeke pau ʻole no ka Best Quality Raise Boring Pipe SAE1020 SAE1045 SAE4140 SAE4340 SAE4145h Quenched and Tempered Steel Hollow Bars, "Quality initially, Selling price most affordable, Company best” ka uhane o ko kakou hui.Hoʻokipa maikaʻi mākou iā ʻoe e nānā i kā mākou ʻoihana a kūkākūkā i ka ʻoihana like!
Ke koi nei mākou i ka hāʻawi ʻana i ka hana kiʻekiʻe me ka manaʻo ʻoihana nui, kūʻai huahana pono a me ka lawelawe ʻoi loa a wikiwiki hoʻi.ʻAʻole ia e lawe iā ʻoe i ka hopena maikaʻi loa a me ka loaʻa kālā nui, akā ʻo ka mea koʻikoʻi e noho i ka mākeke pau ʻole noʻO Kina Paʻa SAE 4145 Bar a me nā Bar Paʻa, Hoʻopili mākou i ka mikiona lanakila lanakila a me ka ʻoihana pili kanaka.ʻO ka maikaʻi maikaʻi, ke kumukūʻai kūpono a me ka ʻoluʻolu o ka mea kūʻai aku e ʻimi mau ʻia!Inā makemake ʻoe i kā mākou mea kūʻai, e hoʻāʻo wale e kelepona mai iā mākou no nā kikoʻī hou aku!
Nā hiʻohiʻona
ʻO ka mea o ka pahu kila 4340 he kila kila kila.E like me ka German DIN steel grade 36CrNiMo4, French NF standard 40NCD3, Japanese JIS standard SNCM439, British BS standard 816M40, American SAE/ASTM4340, American UNS standard G43400，China Standard 40CrNiMoA.
ʻIke ʻia ʻo SAE4340 ma ke kila kila kila a i ʻole ke kila hui.Aia ka nickel i ke kila ma waena o 1.65 a me 2.00, nona ka ikaika kiʻekiʻe, ka paʻakikī, ka hiki ke paʻakikī, a me ka paʻa i ka wela.Eia nō naʻe, he kiʻekiʻe kona naʻau i nā kiko keʻokeʻo a me ka palupalu huhū.He maikaʻi ʻole ka heluhelu ʻana, e koi ana i ka wela kiʻekiʻe ma mua o ke kuʻi ʻana, hoʻomaha i ke koʻikoʻi ma hope o ka wili ʻana, a hoʻohana ma hope o ka hoʻoulu ʻana.
KULA: ASTM A29/A29M-2012 a i ʻole SAE J404
Hōʻike
| Kalapona C | 0.38~0.43 |
| Silicon Si | 0.15~0.35 |
| Manganese Mn | 0.60~0.80 |
| Sulfur S | ≤ 0.030 |
| ʻO Phosphorus P | ≤ 0.025 |
| Chromium Cr | 0.60~0.90 |
| Nikela | 1.65-2.00 |
| Ke keleawe Cu | ≤ 0.025 |
| Molybdenum Mo | 0.20-0.30 |
Nā waiwai mīkini
| Ka ikaika wili σ b (MPa) | ≥980 |
| Ka ikaika hua σ s (MPa) | ≥835 |
| Ka lōʻihi lōʻihi δ 5 (%) | ≥12 |
| Hoemi o ka āpana ψ (%) | ≥55 |
| Ka ikehu hopena Akv (J) | ≥ 78 |
| Waiwai oolea hopena α kv (J/cm2) | ≥98 |
Nā kikoʻī hoʻomaʻamaʻa wela
Hoʻopiʻiʻia ma 850 ℃, hoʻomaha kaʻaila;ʻO ka wela ma 600 ℃, hoʻomaʻalili ka wai, hoʻoluʻu ʻaila.
Palapala noi
Hoʻohana maʻamau no ka hana ʻana i nā ʻāpana koʻikoʻi me ka ikaika kiʻekiʻe a me ka plasticity maikaʻi, a no ka hana ʻana i nā ʻāpana koʻikoʻi me nā koi hana kūikawā ma hope o ka mālama ʻana i ka nitrating:
-ʻO nā mīkini kaumaha me nā kumu ukana kiʻekiʻe
-Ka huila me ke anawaena oi aku mamua o 250mm
-ʻO ke kumu rotor o kahi helikopter
-ʻO ke kumu turbine, nā lau, a me nā mea hoʻoili ukana kiʻekiʻe o kahi mīkini turbojet
- ʻO nā mea hoʻopaʻa Crankshaft, nā mīkini, etc.
Pūʻolo
1. Ma nā pūʻolo, ke kaumaha o kēlā me kēia pūʻolo ma lalo o 3 tons, no ka pahu liʻiliʻi o waho ke anawaena, ʻo kēlā me kēia pūʻolo me 4 - 8 mau ʻāpana kila.
2.20 kapuaʻi pahu i loaʻa ka ana, ka lōʻihi ma lalo o 6000mm
3.40 kapuaʻi pahu i loaʻa ka ana, ka lōʻihi ma lalo o 12000mm
4.Ma ka moku nui, He haʻahaʻa ka uku ukana ma ka ukana nui, a ʻaʻole hiki ke hoʻouka ʻia nā nui kaumaha nui i loko o nā ipu hiki ke hoʻouna ʻia e ka ukana nui.
Pūʻolo
ʻO ka hōʻoia maikaʻi
1. Koʻikoʻi e like me nā koi
2. Laʻana: Loaʻa ka laʻana.
3. Nā ho'āʻo: ho'āʻo paʻakai paʻakai/Tensile ho'āʻo / Eddy manawa / Chemical haku ho'āʻo e like me nā mea kūʻai mai noi
4. Palapala hōʻoia: IATF16949, ISO9001, SGS etc.
5. EN 10204 3.1 Hōʻoia
Ke koi nei mākou i ka hāʻawi ʻana i ka hana kiʻekiʻe me ka manaʻo ʻoihana nui, kūʻai huahana pono a me ka lawelawe ʻoi loa a wikiwiki hoʻi.ʻAʻole ia e lawe wale iā ʻoe i ka hopena maikaʻi loa a me ka loaʻa kālā nui, akā ʻo ka mea koʻikoʻi e noho i ka mākeke pau ʻole no ka Best Quality Raise Boring Pipe SAE1020 SAE1045 SAE4140 SAE4340 SAE4145h Quenched and Tempered Steel Hollow Bars, "Quality initially, Selling price most affordable, Company best” ka uhane o ko kakou hui.Hoʻokipa maikaʻi mākou iā ʻoe e nānā i kā mākou ʻoihana a kūkākūkā i ka ʻoihana like!
ʻOi aku ka maikaʻiʻO Kina Paʻa SAE 4145 Bar a me nā Bar Paʻa, Hoʻopili mākou i ka mikiona lanakila lanakila a me ka ʻoihana pili kanaka.ʻO ka maikaʻi maikaʻi, ke kumukūʻai kūpono a me ka ʻoluʻolu o ka mea kūʻai aku e ʻimi mau ʻia!Inā makemake ʻoe i kā mākou mea kūʻai, e hoʻāʻo wale e kelepona mai iā mākou no nā kikoʻī hou aku!
