Bututun ƙarfe mara ƙarfi don tsari (GB/T8162-2008)
Misali: GB/8162-2008 | Alloy Ko A'a: Alloy ko Carbon |
Ƙungiya mai daraja: 10,20,35, 45,Q345,Q460,Q490,Q620,42CrMo,35CrMo,da dai sauransu | Aikace-aikace: Tsarin tsarin, bututu na inji |
Kauri: 1-100 mm | Surface Jiyya: A matsayin abokin ciniki ta bukata |
Diamita na waje (Zagaye): 10 - 1000 mm | Technique: Zafafan Mirgina ko Sanyi |
Tsawon: Kafaffen tsayi ko tsayin bazuwar | Maganin zafi: Ragewa/Mai daidaitawa/Rage damuwa |
Siffar Sashe: Zagaye | Bututu na Musamman: Bututun bango mai kauri |
Wurin Asalin: China | Amfani: Gina, inji |
Takaddun shaida: ISO9001:2008 | Gwajin: ECT/UT |
Ana Amfani da shi ne Don Yin Karfe Tsarin Carbon, Ƙarfe Tsarin Gaɗaɗɗen Ƙarfe da Tsarin injina.
Matsayin Karfe Tsarin Karfe: 10,20,35, 45,Q345,Q460,Q490,Q620,, da dai sauransu
Girman Ƙarfe Tsarin Ƙarfe: 42CrMo, 35CrMo, Da dai sauransu
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 | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.3 | 0.5 | 0.2 | 0.012 | 0.1 | -- | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0.07 | 0.15 | 0.2 | 0.015 | ||||||||||
D | 0.18 | 0.03 | 0.025 | |||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q390 | A | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.07 | 0.2 | 0.2 | 0.3 | 0.5 | 0.2 | 0.015 | 0.1 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0,015 | |||||||||||||
D | 0.03 | 0.025 | ||||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q42O | A | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.07 | 0.2 | 0.2 | 0.3 | 0.8 | 0.2 | 0.015 | 0.2 | -- | -- |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0.015 | |||||||||||||
D | 0.03 | 0.025 | ||||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q46O | C | 0.2 | 0.6 | 1.8 | 0.03 | 0.03 | 0.11 | 0.2 | 0.2 | 0.3 | 0.8 | 0.2 | 0.015 | 0.2 | 0.005 | 0.015 |
D | 0.03 | 0.025 | ||||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
Q500 | C | 0J8 ku | 0.6 | 1.8 | 0.025 | 0.02 | 0.11 | 0.2 | 0.2 | 0.6 | 0.8 | 0.2 | 0.015 | 0.2 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.02 | 0.01 | ||||||||||||||
Q550 | C | 0.18 | 0.6 | 2 | 0.025 | 0,020 | 0.11 | 0.2 | 0.2 | 0.8 | 0.8 | 0.2 | 0.015 | 0.3 | 0.005 | 0.015 |
D | 0.025 | 0,015 | ||||||||||||||
E | 0.02 | 0.01 | ||||||||||||||
Q62O | C | 0.18 | 0.6 | 2 | 0.025 | 0.02 | 0.11 | 0.2 | 0.2 | 1 | 0.8 | 0.2 | 0.015 | 0.3 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.02 | 0.01 | ||||||||||||||
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% b ba. Don maki Q345, Q390, Q420 da Q46O, Mo + Cr bai wuce 0.30% c ba. 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 ake buƙatar ƙarawa, abun ciki ya kamata ya cika ka'idodin da ke cikin tebur ko kuma mai siyarwa da mai siye su ƙaddara 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 ƙayyadaddun 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 |
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 da aka 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. |
Izinin sabani na waje diamita na bututun ƙarfe
Nau'in bututun karfe | Haƙuri da Haƙuri |
Hot birgima karfe bututu | ± 1% D ko ± 0.5, duk wanda ya fi girma |
Bututun ƙarfe da aka zana sanyi | Ƙasa 0.75% D ko ƙasa 0.3, duk wanda ya fi girma |
Allowable sabawa na bango kauri na zafi birgima (extended) karfe bututu
Nau'in bututun karfe | D | S/D | Haƙuri da Haƙuri |
Hot birgima karfe bututu | <102 | - | ± 12.5% S ko ± 0.4, duk wanda ya fi girma |
>102 | <0.05 | ± 15% S ko ± 0,4, duk wanda ya fi girma | |
0.05 zuwa 0.10 | ± 12.5% S ko ± 0.4, duk wanda ya fi girma | ||
> 0.10 | + 12.5% S -10% S | ||
Bututun ƙarfe da aka faɗaɗa zafi | 一 | 15% S |
Izinin sabawa kaurin bangon sanyin bututun ƙarfe da aka zana (birgima).
| S | Haƙuri da Haƙuri |
Zane mai sanyi (juyawa) | V | + 15% S Ko 0.15, duk wanda ya fi girma -10% S |
> 3- 10 | + 12.5% S -10% S | |
>10 | 10% S |
Chemical abun da ke ciki, Miƙewa, Tauri, Shock, Squash, Lankwasawa, Ultrasonic gwajin, Eddy halin yanzu, Ganewa, Leak ganewa, Galvanized
Bututun Karfe Marasa Ciki Don Manufofin Tsari, Bututun Karfe Mara Sulun Don Tsarin Injini A cikin GB/8162-2008 Standard. A cikin jerin bututun ƙarfe maras nauyi, akwai nau'in kayan da ake kira Q345B bututun ƙarfe mara ƙarancin ƙarfi. A cikin ƙananan kayan haɗin gwal, wannan abu shine ya fi kowa. Q345 m karfe tube ne wani irin karfe bututu abu. Q shine yawan amfanin wannan abu, kuma 345 shine yawan amfanin wannan abu, wanda ke kusa da 345. Kuma ƙimar yawan amfanin ƙasa zai ragu tare da karuwar kauri. Q345A matakin, ba tasiri; Q345B, shine tasirin zafin jiki na 20 na al'ada; Q345C aji, shine tasirin digiri 0; Q345D, shine tasirin -20 digiri; Class Q345E, debe digiri 40. Ƙimar tasiri kuma ta bambanta a yanayin zafi daban-daban. Q345A, Q345B, Q345C, Q345D, Q345E. Wannan shine darajar bambanci, wanda ke wakiltar, galibi tasirin zafin jiki ya bambanta.
Matsayin kisa
1. Bututu maras kyau don tsari (GB/T8162-2018) bututun ƙarfe ne mara nauyi don tsarin gabaɗaya da tsarin injiniya. 2. Ana amfani da bututun ƙarfe mara ƙarfi don jigilar ruwa (GB/T8163-2018) don isar da ruwa, mai, gas da sauran ruwaye a cikin bututun ƙarfe mara nauyi. 3. Sumul karfe shambura ga low da matsakaici matsa lamba boilers (GB3087-2018) ne high quality carbon tsarin karfe zafi-birgima da sanyi-jawo (birgima) sumul karfe shambura, wanda ake amfani da Manufacturing superheated tururi bututu, tafasasshen ruwa bututu na daban-daban. Tsarin ƙananan tukunyar jirgi da matsakaita matsa lamba da bututun tururi mai zafi da bututun bulo na bututu don masu tukunyar jirgi. 4. Sumul karfe tube ga high matsa lamba tukunyar jirgi (GB5310-2018) da ake amfani da Manufacturing high matsa lamba da kuma sama matsa lamba ruwa tube tukunyar jirgi dumama surface da high quality carbon karfe, gami karfe da bakin zafi resistant karfe sumul karfe tube.
Q345B m karfe tube bayani dalla-dalla takardar | |||
ƙayyadaddun bayanai | ƙayyadaddun bayanai | ƙayyadaddun bayanai | ƙayyadaddun bayanai |
14*3 | 38*5.5 | 89*5 | 133*18 |
14*3.5 | 42*3 | 89*5.5 | 159*6 |
14*4 | 42*3.5 | 89*6 | 159*6.5 |
16*3 | 42*4 | 89*7 | 159*7 |
18*2 | 42*5 | 89*7.5 | 159*8 |
18*3 | 42*6 | 89*8 | 159*9.5 |
18*4 | 42*8 | 89*9 | 159*10 |
18*5 | 45*3 | 89*10 | 159*12 |
19*2 | 45*4 | 89*11 | 159*14 |
21*4 | 45*5 | 89*12 | 159*16 |
22*2.5 | 45*6 | 108*4.5 | 159*18 |
22*3 | 45*7 | 108*5 | 159*20 |
22*4 | 48*4 | 108*6 | 159*28 |
22*5 | 48*4.5 | 108*7 | 168*6 |
25*2.5 | 48*5 | 108*8 | 168*7 |
25*3 | 48*6 | 108*9 | 168*8 |
25*4 | 48*7 | 108*10 | 168*9.5 |
25*5 | 48.3*12.5 | 108*12 | 168*10 |
25*5.5 | 51*3 | 108*14 | 168*11 |
27*3.5 | 51*3.5 | 108*15 | 168*12 |
27*4 | 51*4 | 108*16 | 168*14 |
27*5 | 51*5 | 108*20 | 168*15 |
27*5.5 | 51*6 | 114*5 | 168*16 |
28*2.5 | 57*4 | 114*6 | 168*18 |
28*3 | 57*5 | 114*7 | 168*20 |
28*3.5 | 57*5.5 | 114*8 | 168*22 |
28*4 | 57*6 | 114*8.5 | 168*25 |
30*2.5 | 60*4 | 114*9 | 168*28 |
32*2.5 | 60*4 | 114*10 | 180*10 |
32*3 | 60*5 | 114*11 | 194*10 |
32*3.5 | 60*6 | 114*12 | 194*12 |
32*4 | 60*7 | 114*13 | 194*14 |
32*4.5 | 60*8 | 114*14 | 194*16 |
32*5 | 60*9 | 114*16 | 194*18 |
34*3 | 60*10 | 114*18 | 194*20 |
34*4 | 76*4.5 | 133*5 | 194*26 |
34*4.5 | 76*5 | 133*6 | 219*6.5 |
34*5 | 76*6 | 133*7 | 219*7 |
34*6.5 | 76*7 | 133*8 | 219*8 |
38*3 | 76*8 | 133*10 | 219*9 |
38*3.5 | 76*9 | 133*12 | 219*10 |
38*4 | 76*10 | 133*13 | 219*12 |
38*4.5 | 89*4 | 133*14 | 219*13 |
38*5 | 89*4.5 | 133*16 | 219*14 |
219*16 | 273*36 | 356*28 | 426*12 |
219*18 | 273*40 | 356*36 | 426*13 |
219*20 | 273*42 | 377*9 | 426*14 |
219*22 | 273*45 | 377*10 | 426*17 |
219*24 | 298.5*36 | 377*12 | 426*20 |
219*25 | 325*8 | 377*14 | 426*22 |
219*26 | 325*9 | 377*15 | 426*30 |
219*28 | 325*10 | 377*16 | 426*36 |
219*30 | 325*11 | 377*18 | 426*40 |
219*32 | 325*12 | 377*20 | 426*50 |
219*35 | 325*13 | 377*22 | 457*9.5 |
219*38 | 325*14 | 377*25 | 457*14 |
273*7 | 325*15 | 377*32 | 457*16 |
273*8 | 325*16 | 377*36 | 457*19 |
273*9 | 325*17 | 377*40 | 457*24 |
273*9.5 | 325*18 | 377*45 | 457*65 |
273*10 | 325*20 | 377*50 | 508*13 |
273*11 | 325*22 | 406*9.5 | 508*16 |
273*12 | 325*23 | 406*11 | 508*20 |
273*13 | 325*25 | 406*13 | 508*22 |
273*15 | 325*28 | 406*17 | 558.8*14 |
273*16 | 325*30 | 406*22 | 530*13 |
273*18 | 325*32 | 406*32 | 530*20 |
273*20 | 325*36 | 406*36 | 570*12.5 |
273*22 | 325*40 | 406*40 | 610*13 |
273*25 | 325*45 | 406*55 | 610*18 |
273*28 | 356*9.5 | 406.4*50 | 610*78 |
273*30 | 356*12 | 406.4*55 | 624*14.2 |
273*32 | 356*15 | 406*60 | 824*16.5 |
273*35 | 356*19 | 406*65 | 824*20 |
Abubuwan Sinadari
Karfe daraja | Matsayin inganci | Haɗin Sinadari | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als" | ||
Babu Mafi Girma | Ba Kasa Da | |||||||||||||||
Q345 | A | 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.3 | 0.5 | 0.2 | 0.012 | 0.1 | -- | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.03 | 0.03 | 0.07 | 0.15 | 0.2 | 0.015 | ||||||||||
D | 0.18 | 0.03 | 0.025 | |||||||||||||
E | 0.025 | 0.02 | ||||||||||||||
A. Baya ga maki Q345A da Q345B, Karfe ya kamata ya ƙunshi Aƙalla ɗaya daga cikin Abubuwan Hatsi da aka ƙera Al, Nb, V, da Ti. Dangane da Bukatun, Mai bayarwa na iya ƙara Ingantaccen Abubuwan Hatsi ɗaya ko fiye. Matsakaicin Ƙimar Za a Kasance Kamar Yadda Aka Kayyade A Tebur. Lokacin Haɗe, Nb + V + Ti Bai Fiye 0.22% B ba. Don maki Q345, Q390, Q420 da Q46O, Mo + Cr bai wuce 0.30% C ba. Lokacin Amfani da Cr Da Ni Na Kowane Daraja A Matsayin Ragowar Abubuwa, Abubuwan da ke cikin Cr Da Ni Bai kamata Ya wuce 0.30% ba; Lokacin Da Yake Bukatar Ƙarawa, Ya Kamata Abun Ciki Ya Cika Bukatun A Teburin Ko Kuma Mai Bayarwa Da Mai Sayi Su Ƙayyade Ta Ta Hanyar Shawara.D. Idan Mai Bayarwa Zai Iya Tabbatar da Cewa Abubuwan Nitrogen Ya Cika Bukatun A Teburin, Ba za a iya Yin Binciken Abubuwan Nitrogen Ba. Idan Al, Nb, V, Ti Da Sauran Abubuwan Alloyi Tare da Gyaran Nitrogen An Ƙara zuwa Karfe, Abin da ke cikin Nitrogen Ba Ya Iyaka. Ya kamata a Ƙayyadaddun Abubuwan Gyaran Nitrogen A cikin Takaddun Shaida. E. Lokacin Amfani da Cikakkun Aluminum, Jimlar Aluminum Content Alt≥0020%. |
Daraja | Daidaiton Carbon CEV (Mass Fraction) /% | |||||
Ƙaunar bango mara kyau S≤ 16mm | Ƙaunar bango mara kyau S2>16 mm〜30 mm | Ƙaunar bango mara kyau S>30mm | ||||
Hot Rolled Ko An daidaita shi | Quenching+Haushi | Hot Rolled Ko Normalized | Quenching+Haushi | Hot Rolled Ko Normalized | Quenching+Haushi | |
Q345 | <0.45 | - | <0.47 | - | <0.48 | 一 |
Kayan Injiniya
Kayayyakin Injini Na Ƙarfe Mai Kyau Na Ƙarfe Mai Ƙarfe da Ƙarƙashin Ƙarfin Ƙarfin Ƙarfe na Ƙarfe
Daraja | Matsayin inganci | Ƙarfin Haɓaka | Ƙarfin Ƙarfin Ƙarfin Haɓaka | Tsawaita Bayan Watsewa | Gwajin Tasiri | |||
Ƙaunar bango mara kyau | Zazzabi | Shaye Makamashi | ||||||
<16 mm | > 16 mm〜 | 〉30 mm | ||||||
30 mm | ||||||||
Ba Kasa Da | Ba Kasa Da | |||||||
Q345 | A | 470-630 | 345 | 325 | 295 | 20 | - | 一 |
B | 4 ~ 20 | 34 | ||||||
C | 21 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 |
Bukatar Gwaji
Sinadarin Haɗin: Miƙewa, Tauri, Girgizawa, Squash, Lankwasawa, Gwajin Ultrasonic, Eddy Yanzu, Ganewa, Ganewar Leak, Galvanized