Tsarin Carbon Karfe Bututu
Kamfaninmu yana fitar da bututun ƙarfe na tsari,China Bututu mara kyau, China tsarin bututu, bututu maras nauyi, tsarin bututu. Q345B abu ne mai irin tsarin karfe bututu.
Q345 wani nau'i ne na kayan ƙarfe. Yana da carbon alloy karfe (c <0.2%) tare da kyakkyawan aikin gabaɗaya, kyakkyawan aikin ƙarancin zafin jiki, aikin hatimin sanyi, aikin walda da machinability. Ana amfani da shi sosai a cikin gadoji, motoci, jiragen ruwa, gine-gine, tasoshin matsa lamba, da dai sauransu Q yana wakiltar yawan amfanin wannan abu, kuma 345 na ƙarshe yana nufin ƙimar ƙimar wannan abu, wanda ke kusa da 345MPa. Kuma yayin da kauri na kayan ke ƙaruwa, ƙimar amfanin sa yana raguwa.
Ƙarfin haɓakawa:≤mm 16:fiye da 345, 16-40mm: fiye da 335, 40-63mm: fiye da 325, 63-80mm: fiye da 315, 80-100m: fiye da 305, 100-150mm: fiye da 285, 150-200mm: fiye da 275.
Ƙarfin juzu'i: 450-630.
Tsawaitawa: fiye da 17.
Gwajin tasiri: Gwajin gwaji: 20°C: fiye da 34.
Matsayin gudanarwa
1. M karfe bututu don tsari (GB/T8162-2008) ne abututu maras nauyidon tsarin gaba ɗaya da tsarin injiniya.
2. Bututun ƙarfe mara ƙarfi don jigilar ruwa (GB/T8163-2008) bututun ƙarfe ne na gabaɗaya wanda ake amfani da shi don jigilar ruwa, mai, gas da sauran ruwaye.
3. Sumul karfe bututu for low da matsakaici matsa lamba boilers (GB3087-2008) ne high quality-carbon tsarin karfe zafi bututu amfani da su tsirar superheated tururi bututu, ruwan zãfi ga low da matsakaici matsa lamba boilers na daban-daban Tsarin, da kuma superheated tururi bututu da kuma bututun bulo na bulo don masu tukunyar jirgi. Birgima da sanyi ja (birgima) bututun ƙarfe mara nauyi.
4. Sumul karfe bututu ga high-matsa lamba tukunyar jirgi (GB5310-2008) ne high quality-carbon karfe, gami karfe da bakin zafi-resistant karfe sumul karfe bututu ga dumama surface na ruwa-tube tukunyar jirgi da high matsa lamba da kuma sama.
Dubawa
Aikace-aikace
Ana Amfani da shi ne Don Yin Karfe Tsarin Carbon, Ƙarfe Tsarin Gaɗaɗɗen Ƙarfe da Tsarin injina.
Babban Daraja
Matsayin Karfe Tsarin Karfe: 10,20,35, 45,Q345,Q460,Q490,Q620,, da dai sauransu
Girman Ƙarfe Tsarin Ƙarfe: 42CrMo, 35CrMo, Da dai sauransu
Abubuwan Sinadari
Karfe daraja | Matsayin inganci | Abubuwan sinadaran | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als" | ||
babu girma fiye | ba kasa da | |||||||||||||||
Q345 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.30 | 0.50 | 0.20 | 0.012 | 0.10 | -- | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.07 | 0.15 | 0.20 | 0.015 | ||||||||||
D | 0.18 | 0.030 | 0.025 | |||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q390 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.3 | 0.50 | 0.20 | 0.015 | 0.10 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0,015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q42O | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.2 | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | -- | -- |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q46O | C | 0.20 | 0.60 | 1.80 | 0.030 | 0.030 | 0.11 | 0.20 | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q500 | C | 0J8 ku | 0.60 | 1.80 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 0.60 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q550 | C | 0.18 | 0.60 | 2.00 | 0.025 | 0,020 | 0.11 | 0.20 | 0.20 | 0.80 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0,015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q62O | C | 0.18 | 0.60 | 2.00 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 1.00 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
a.Baya ga maki Q345A da Q345B, karfe ya kamata ya ƙunshi aƙalla ɗaya daga cikin ingantaccen abubuwan hatsi Al, Nb, V, da Ti. Dangane da buƙatun, mai siyarwa zai iya ƙara abubuwa ɗaya ko fiye da ingantaccen kayan hatsi. Matsakaicin ƙimar za ta kasance kamar yadda aka ƙayyade a cikin tebur. Lokacin da aka haɗa, Nb + V + Ti bai wuce 0.22% ba.b. Don maki Q345, Q390, Q420 da Q46O, Mo + Cr bai wuce 0.30% ba.c. Lokacin da aka yi amfani da Cr da Ni na kowane aji azaman abubuwan da suka rage, abun ciki na Cr da Ni bai kamata ya wuce 0.30% ba; lokacin da ya wajaba don ƙarawa, abun ciki ya kamata ya dace da buƙatun a cikin tebur ko ƙaddara ta mai siyarwa da mai siye ta hanyar shawarwari.d. Idan mai sayarwa zai iya tabbatar da cewa abun ciki na nitrogen ya cika buƙatun da ke cikin tebur, ƙila ba za a iya yin nazarin abun ciki na nitrogen ba. Idan an ƙara Al, Nb, V, Ti da sauran abubuwan haɗin gwal tare da ƙayyadaddun nitrogen a cikin ƙarfe, abun ciki na nitrogen bai iyakance ba. Ya kamata a ƙayyade abun ciki na gyaran nitrogen a cikin takardar shaidar inganci.e. Lokacin amfani da cikakken aluminum, jimlar abun ciki na aluminum Alt ≥ 0020%. |
Daraja | Carbon kwatankwacin CEV (jashi mai yawa) /% | |||||
Kaurin bango mara iyaka s≤ 16mm | Ƙaƙƙarfan bangon bango S2>16mm〜30mm | Ƙaunar bangon bango S>30mm | ||||
Hot birgima ko daidaitacce | Quenching mai zafi | Hot birgima ko al'ada | Quenching mai zafi | Hot birgima ko al'ada | Quenching mai zafi | |
Q345 | <0.45 | - | <0.47 | - | <0.48 | 一 |
Q390 | <0.46 | 一 | W0.48 | - | <0.49 | - |
Q420 | <0.48 | 一 | <0.50 | <0.48 | <0.52 | <0,48 |
Q460 | <0.53 | <0.48 | W0.55 | <0.50 | <0.55 | W0.50 |
Q500 | 一 | <0.48 | 一 | <0.50 | 一 | W0.50 |
Q550 | - | <0.48 | .一 | <0.50 | 一 | <0.50 |
Q62O | - | <0.50 | - | <0.52 | - | W0.52 |
Q690 | - | <0.50 | - | <0.52 | - | W0.52 |
Kayan Injiniya
Mechanical Properties na high quality-carbon karfe tsarin karfe da kuma low-alloy high-ƙarfi tsarin karfe bututu
Daraja | Matsayin inganci | Ƙarfin Haɓaka | Ƙarfin yawan amfanin ƙasa | Elongation bayan karya | Gwajin tasiri | |||
Kaurin bango mara kyau | zafin jiki | Shaye makamashi | ||||||
<16 mm | > 16 mm. | 〉30 mm | ||||||
mm 30 | ||||||||
ba kasa da | ba kasa da | |||||||
10 | - | >335 | 205 | 195 | 185 | 24 | - | - |
15 | - | >375 | 225 | 215 | 205 | 22 | - | 一 |
20 | -- | >410 | 245 | 235 | 225 | 20 | - | - |
25 | - | >450 | 275 | 265 | 255 | 18 | - | - |
35 | - | >510 | 305 | 295 | 285 | 17 | 一 | - |
45 | - | 2590 | 335 | 325 | 315 | 14 | - | - |
20Mn | -• | >450 | 275 | 265 | 255 | 20 | - | 一 |
25Mn | - | >490 | 295 | 285 | 275 | 18 | - | - |
Q345 | A | 470-630 | 345 | 325 | 295 | 20 | - | 一 |
B | 4 ~ 20 | 34 | ||||||
C | 21 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 | ||||||
Q39O | A | 490-650 | 390 | 370 | 350 | 18 | ||
B | 20 | 34 | ||||||
C | 19 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 | ||||||
Q42O | A | 520 ~ 680 | 420 | 400 | 380 | 18 | ||
B | 20 | 34 | ||||||
C | 19 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 | ||||||
Q46O | C | 550-720 | 460 | 440 | 420 | 17 | 0 | 34 |
D | -20 | |||||||
E | -40 | 27 | ||||||
Q500 | C | 610-770 | 500 | 480 | 440 | 17 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 | ||||||
Q550 | C | 670-830 | 550 | 530 | 490 | 16 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 | ||||||
Q62O | C | 710-880 | 620 | 590 | 550 | 15 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 | ||||||
Q690 | C | 770-94. | 690 | 660 | 620 | 14 | 0 | 55 |
D | -20 | 47 | ||||||
E | -40 | 31 |
Mechanical Properties na gami karfe bututu
NO | Daraja | Shawarar tsarin kula da zafi | Tensile Properties | Buɗe bututun ƙarfe mai zafin jiki mai zafi ko zafin jiki na isar da saƙon Brinell taurin HBW | ||||||
Quenching (na al'ada) | Haushi | Samar da ƘarfiMPa | Ƙarfin Tensile MPa | Tsawaitawa bayan karya A% | ||||||
zafin jiki | Sanyi | Zazzabi | Sanyi | |||||||
Farko | Na biyu | ba kasa da | babu girma fiye | |||||||
1 | 40Mn2 | 840 | Ruwa, mai | 540 | Ruwa, mai | 885 | 735 | 12 | 217 | |
2 | 45Mn2 | 840 | Ruwa, mai | 550 | Ruwa, mai | 885 | 735 | 10 | 217 | |
3 | 27 Simn | 920 | Ruwa | 450 | Ruwa, mai | 980 | 835 | 12 | 217 | |
4 | 40MnBc | 850 | mai | 500 | Ruwa, mai | 980 | 785 | 10 | 207 | |
5 | 45MnBc | 840 | mai | 500 | Ruwa, mai | 1 030 | 835 | 9 | 217 | |
6 | 20Mn2Bc'f | 880 | mai | 200 | Ruwa, iska | 980 | 785 | 10 | 187 | |
7 | 20 CrdJ | 880 | 800 | Ruwa, mai | 200 | Ruwa, iska | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30Cr | 860 | mai | 500 | Ruwa, mai | 885 | 685 | 11 | 187 | |
9 | 35Cr | 860 | mai | 500 | Ruwa, mai | 930 | 735 | 11 | 207 | |
10 | 40Cr | 850 | mai | 520 | Ruwa, mai | 980 | 785 | 9 | 207 | |
11 | 45Cr | 840 | mai | 520 | Ruwa, mai | 1 030 | 835 | 9 | 217 | |
12 | 50Cr | 830 | mai | 520 | Ruwa, mai | 1 080 | 930 | 9 | 229 | |
13 | 38CrSi | 900 | mai | 600 | Ruwa, mai | 980 | 835 | 12 | 255 | |
14 | 20CrModJ | 880 | Ruwa, mai | 500 | Ruwa, mai | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35CrMo | 850 | mai | 550 | Ruwa, mai | 980 | 835 | 12 | 229 | |
16 | 42CrMo | 850 | mai | 560 | Ruwa, mai | 1 080 | 930 | 12 | 217 | |
17 | 38CrMoAld | 940 | Ruwa, mai | 640 | Ruwa, mai | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50 CrVA | 860 | mai | 500 | Ruwa, mai | 1 275 | 1 130 | 10 | 255 | |
19 | 2OCrMn | 850 | mai | 200 | Ruwa, iska | 930 | 735 | 10 | 187 | |
20 | 20CrMnSif | 880 | mai | 480 | Ruwa, mai | 785 | 635 | 12 | 207 | |
21 | 3OCrMnSif | 880 | mai | 520 | Ruwa, mai | 1 080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35CrMnSiA£ | 880 | mai | 230 | Ruwa, iska | 1 620 | 9 | 229 | ||
23 | 20CrMnTie-f | 880 | 870 | mai | 200 | Ruwa, iska | 1 080 | 835 | 10 | 217 |
24 | 30CrMnTie*f | 880 | 850 | mai | 200 | Ruwa, iska | 1 470 | 9 | 229 | |
25 | 12CrNi2 | 860 | 780 | Ruwa, mai | 200 | Ruwa, iska | 785 | 590 | 12 | 207 |
26 | 12CrNi3 | 860 | 780 | mai | 200 | Ruwa, iska | 930 | 685 | 11 | 217 |
27 | 12Cr2Ni4 | 860 | 780 | mai | 200 | Ruwa, iska | 1 080 | 835 | 10 | 269 |
28 | 40CrNiMoA | 850 | -- | mai | 600 | Ruwa, iska | 980 | 835 | 12 | 269 |
29 | 45CrNiMoVA | 860 | - | mai | 460 | mai | 1 470 | 1 325 | 7 | 269 |
a. Allowable daidaita kewayon zafi magani zazzabi jera a cikin tebur: quenching ± 15 ℃, low zazzabi tempering ± 20 ℃, high zazzabi tempering ƙasa 50 ℃.b. A cikin gwajin tensile, ana iya ɗaukar samfuran juzu'i ko a tsaye. Idan akwai rashin jituwa, ana amfani da samfurin tsayin daka a matsayin tushen sasantawa.c. Karfe mai dauke da Boron za a iya daidaita shi kafin a kashe shi, kuma kada a daidaita yanayin zafi sama da zafinsa na kashewa.d. Bayarwa bisa ga saitin bayanan da mai nema ya kayyade. Lokacin da mai nema bai bayyana ba, ana iya yin bayarwa bisa ga kowane bayanan. e. Farkon quenching na titanium karfe tare da Ming Meng za a iya maye gurbinsu ta hanyar daidaitawa. f. Isothermal quenching a 280 C ~ 320 C. g. A cikin gwajin tensile, idan ba za a iya auna rel ba, ana iya auna Rp0.2 maimakon Rel. |
Bukatar Gwaji
Abubuwan sinadaran:
Mikewa, Tauri, Shock, Squash, Lankwasawa, Ultrasonic Gwajin, Eddy halin yanzu, Ganewa, Leak Gane, Galvanized