High Quality China ASME/API/GOST/DIN/En/JIS Sumul da Welded Karfe bututu
Dubawa
Duk abin da muke yi shi ne yawanci nasaba da ka'idojin mu " Shopper farko, Dogara a kan farko, sadaukarwa a kusa da marufi da amincin muhalli don High Quality sumul da Welded Karfe bututu, Mun sanya na gaske da lafiya a matsayin na farko alhakin. Yanzu muna da ƙwararru. Ma'aikatan kasuwanci na kasa da kasa wadanda suka kammala karatunsu daga Amurka, mun kasance abokin aikinku na gaba. tare da mafi girman farashi-tasirin samfuran da sabis na bayan-tallace-tallace Mun yi imani da ƙarfi cewa: mun yi fice kamar yadda muka ƙware.
Daga cikin kayan aikin bututun ƙarfe na yau da kullun, DIN1629 ST52 yana ɗaya daga cikin kayan da aka fi amfani da su. A cikin ma'auni na kasar Sin, yawanci yayi daidai da GB/T8162 Q345B. Ana iya musanya su biyu da juna, amma ba su dace da juna ba. .
Dangane da sinadaran sinadaran:
DIN 1629 ST52: C: 0.17% max; P: 0.04% max; S:: 0.04% max; N: 0.009% max
GB/T 8162 Q345B: C: 0.2% max; P: 0.035% max; S:: 0.035% max; N: 0.012% max
Ana iya ganin ma'auni guda biyu tare sun nuna cewa abubuwan da ke cikin sinadarai suna kama da juna.
Ayyukan injina:
DIN 1629 ST52: Ƙarfin ƙarfi: 500 ~ 650Mpa; Ƙarfin haɓaka: 335 ~ 355Mpa; Tsawaita (tsayi): 21% min
GB/T 8162 Q345B: Ƙarfin ƙarfi: 470 ~ 630Mpa; Ƙarfin haɓaka: 295 ~ 345Mpa; Tsawaitawa (tsayi): 20% min
Abubuwan buƙatun don kayan aikin injiniya na biyu kuma kusan iri ɗaya ne
Gwaji abubuwa:
DIN 1629 yana buƙatar gwaji mai ƙarfi, gwajin ƙwanƙwasa, gwajin ƙarfi, dubawar ƙasa, dubawa mai girma; gama samfurin bincike
GB/T8162 Q345B na buƙatar binciken abun da ke ciki na sinadarai, gwajin tensile, gwajin ƙarfi, gwajin tasiri na 20 ℃, gwajin lankwasa, gwajin lankwasawa, gwajin lantarki mara lalata.
Ana iya ganin cewa buƙatun aikin gwaji na GB/T8162 Q345B suna rufe DIN1629.
Bukatun haƙuri:
DIN1629 ya kayyade:
Haƙuri OD:
OD≤100mm, ± 1% ko ± 0.5mm
100mm OD≤200mm, ± 1%
OD = 200mm, ± 1%
Hakuri WT:
OD≤130mm: ≤2*misali WT: +15% -10%
2*misali WT<s≤4*misali WT:+12.5% -10%
>4* misali WT: ± 9%
130mm OD≤320mm:≤0.05*misali WT:+17% -12.5%
0.05 * daidaitaccen WT<s≤0.11* daidaitaccen WT: ± 12.5%
0.11* misali WT: ± 10%
320mm OD≤660mm :≤0.05* misali WT: + 20% -15%
0.05*misali WT<s≤0.09*misali WT: +15% -12.5%
0.09* misali WT: + 12.5% -10%
GB/T8162 ya kayyade:
Haƙurin OD:
± 1% ko ± 0.5mm don mafi girma
Hakuri WT:
OD≤102mm: ± 12.5% ko ± 0.4mm ga mafi girma
OD >102mm: WT≤0.05mm, ± 15% ko ± 0.4mm ga mafi girma
0.05mm <WT≤0.1mm, ± 12.5% ko ± 0.4mm ga mafi girma
WT 0.1mm, +12.5% -10%
Hakuri na biyu ma kusan iri daya ne
Saboda haka, Q345B da ST52 za a iya maye gurbinsu da juna lokacin da aka yi amfani da su a cikin yanayi na al'ada kuma babu wata bukata ta musamman. Lokacin da yanayi ko buƙatun sun fi tsauri, ana buƙatar kwatanta kwatancen a hankali.
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 Grade | 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