2019 Mtindo Mpya China Bei ya Chini Mabomba ya Kawaida ya Chuma Nyeusi yasiyo na Mfumo Sch40 ASTM A106
Muhtasari
Maendeleo yetu yanategemea bidhaa za hali ya juu, vipaji vya hali ya juu na nguvu za teknolojia zinazoendelea kuimarishwa kwa Mabomba ya Kiwanda ya Chuma ya Carbon Imefumwa, Ikihitajika, karibu ili kusaidia kuwasiliana nasi kupitia ukurasa wetu wa wavuti au mashauriano ya rununu, tutafurahi kukuhudumia. Hakika, bei ya ushindani, kifurushi kinachofaa na uwasilishaji kwa wakati unaweza kuhakikishiwa kulingana na mahitaji ya wateja. Tunatumai kwa dhati kujenga uhusiano wa kibiashara na wewe kwa msingi wa faida na faida ya pande zote katika siku za usoni. Karibu sana uwasiliane nasi na uwe washiriki wetu wa moja kwa moja.
Linganisha na GB/T 8162 20# na A53 Gr.B
Kipengele cha Kemikali
A53 Gr.B (% Max)
C: 0.3
Mb: 1.2
P: 0.05
S: 0.045
Cu: 0.4
Ni: 0.4
Kr: 0.4
Mo: 0.15
V: 0.08
Mali ya Mitambo (Mpa Min)
Nguvu ya Tezi: 415
Nguvu ya Mavuno: 240
data ya Gb/T8162 20# kama ilivyo hapo chini
Tunaweza kuona A53 Gr.B iliyofunikwa Gb/T 8162 20#, na zote mbili kipimo cha athari kisichohitajika, matibabu ya joto, kwa hivyo GB/T 8162 20# inaweza kuwa badala ya A53 Gr.B
Maombi
Hutumika Hasa Kutengeneza Chuma cha Muundo wa Carbon, Aloi ya Miundo ya Chuma na miundo ya mitambo.
Daraja Kuu
Daraja la Chuma cha Muundo wa Kaboni: 10,20,35, 45,Q345,Q460,Q490,Q620,,N.k.
Daraja la Chuma cha Muundo wa Aloi: 42CrMo, 35CrMo, Nk
Kipengele cha Kemikali
Daraja la chuma | Kiwango cha ubora | Muundo wa kemikali | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als" | ||
hakuna kubwa kuliko | si chini ya | |||||||||||||||
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 | 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.Mbali na gredi za Q345A na Q345B, chuma kinapaswa kuwa na angalau moja ya vipengele vya nafaka vilivyosafishwa Al, Nb, V, na Ti. Kulingana na mahitaji, muuzaji anaweza kuongeza moja au zaidi vipengele vya nafaka iliyosafishwa. Thamani ya juu itakuwa kama ilivyoainishwa kwenye jedwali. Inapojumuishwa, Nb + V + Ti sio zaidi ya 0.22%b. Kwa alama za Q345, Q390, Q420 na Q46O, Mo + Cr sio zaidi ya 0.30%c. Wakati Cr na Ni za kila daraja zinatumiwa kama vipengele vya mabaki, maudhui ya Cr na Ni haipaswi kuwa zaidi ya 0.30%; inapohitajika kuongeza, yaliyomo yanapaswa kukidhi mahitaji kwenye jedwali au kuamuliwa na muuzaji na mnunuzi kupitia mashauriano.d. Ikiwa msambazaji anaweza kuhakikisha kuwa maudhui ya nitrojeni yanakidhi mahitaji katika jedwali, uchanganuzi wa maudhui ya nitrojeni hauwezi kufanywa. Ikiwa Al, Nb, V, Ti na vipengele vingine vya alloy na fixation ya nitrojeni huongezwa kwa chuma, maudhui ya nitrojeni sio mdogo. Maudhui ya urekebishaji wa nitrojeni yanapaswa kubainishwa katika cheti cha ubora.e. Unapotumia alumini kamili, jumla ya maudhui ya alumini Alt ≥ 0020%. |
Daraja | CEV sawa na kaboni (sehemu ya wingi) /% | |||||
Unene wa ukuta wa kawaida s≤ 16mm | Unene wa ukuta wa jina S2>16 mm〜30 mm | Unene wa ukuta wa jina S>30mm | ||||
Moto limekwisha au kuhalalisha kawaida | Kuzima +kukasirisha | Moto umevingirwa au wa kawaida | Kuzima +kukasirisha | Moto umevingirwa au wa kawaida | Kuzima +kukasirisha | |
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 |
Mali ya Mitambo
Miundo ya mitambo ya chuma cha ubora wa juu cha kaboni na mabomba ya miundo ya aloi ya chini ya nguvu ya juu.
Daraja | Kiwango cha ubora | Nguvu ya Mavuno | Nguvu ya chini ya mavuno | Elongation baada ya kuvunja | Mtihani wa athari | |||
Unene wa ukuta wa majina | joto | Kunyonya nishati | ||||||
chini ya mm 16 | > 16 mm〜 | 〉30 mm | ||||||
30 mm | ||||||||
si chini ya | si chini ya | |||||||
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 |
Mali ya mitambo ya mabomba ya chuma ya alloy
NO | Daraja | Utawala uliopendekezwa wa matibabu ya joto | Tabia za mvutano | Bomba la chuma lililofungwa au halijoto ya juu Hali ya uwasilishaji Ugumu wa Brinell HBW | ||||||
Kuzima (kurekebisha) | Kukasirisha | Mavuno NguvuMPa | Nguvu ya Mkazo MPa | Urefu baada ya kuvunja A% | ||||||
joto | Kipozea | Halijoto | Kipozea | |||||||
Kwanza | Pili | si chini ya | hakuna kubwa kuliko | |||||||
1 | 40Mn2 | 840 | Maji, mafuta | 540 | Maji, mafuta | 885 | 735 | 12 | 217 | |
2 | 45Mn2 | 840 | Maji, mafuta | 550 | Maji, mafuta | 885 | 735 | 10 | 217 | |
3 | 27SiMn | 920 | Maji | 450 | Maji, mafuta | 980 | 835 | 12 | 217 | |
4 | 40MnBc | 850 | mafuta | 500 | Maji, mafuta | 980 | 785 | 10 | 207 | |
5 | 45MnBc | 840 | mafuta | 500 | Maji, mafuta | 1 030 | 835 | 9 | 217 | |
6 | 20Mn2Bc'f | 880 | mafuta | 200 | Maji, hewa | 980 | 785 | 10 | 187 | |
7 | 20CrdJ | 880 | 800 | Maji, mafuta | 200 | Maji, hewa | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30Kr | 860 | mafuta | 500 | Maji, mafuta | 885 | 685 | 11 | 187 | |
9 | 35Kr | 860 | mafuta | 500 | Maji, mafuta | 930 | 735 | 11 | 207 | |
10 | 40Kr | 850 | mafuta | 520 | Maji, mafuta | 980 | 785 | 9 | 207 | |
11 | 45Kr | 840 | mafuta | 520 | Maji, mafuta | 1 030 | 835 | 9 | 217 | |
12 | 50Kr | 830 | mafuta | 520 | Maji, mafuta | 1 080 | 930 | 9 | 229 | |
13 | 38CrSi | 900 | mafuta | 600 | Maji, mafuta | 980 | 835 | 12 | 255 | |
14 | 20CrModJ | 880 | Maji, mafuta | 500 | Maji, mafuta | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35CrMo | 850 | mafuta | 550 | Maji, mafuta | 980 | 835 | 12 | 229 | |
16 | 42CrMo | 850 | mafuta | 560 | Maji, mafuta | 1 080 | 930 | 12 | 217 | |
17 | 38CrMoAld | 940 | Maji, mafuta | 640 | Maji, mafuta | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50 CrVA | 860 | mafuta | 500 | Maji, mafuta | 1 275 | 1 130 | 10 | 255 | |
19 | 2OCrMn | 850 | mafuta | 200 | Maji, hewa | 930 | 735 | 10 | 187 | |
20 | 20CrMnSif | 880 | mafuta | 480 | Maji, mafuta | 785 | 635 | 12 | 207 | |
21 | 3OCrMnSif | 880 | mafuta | 520 | Maji, mafuta | 1 080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35CrMnSiA£ | 880 | mafuta | 230 | Maji, hewa | 1 620 | 9 | 229 | ||
23 | 20CrMnTie-f | 880 | 870 | mafuta | 200 | Maji, hewa | 1 080 | 835 | 10 | 217 |
24 | 30CrMnTie*f | 880 | 850 | mafuta | 200 | Maji, hewa | 1 470 | 9 | 229 | |
25 | 12CrNi2 | 860 | 780 | Maji, mafuta | 200 | Maji, hewa | 785 | 590 | 12 | 207 |
26 | 12CrNi3 | 860 | 780 | mafuta | 200 | Maji, hewa | 930 | 685 | 11 | 217 |
27 | 12Cr2Ni4 | 860 | 780 | mafuta | 200 | Maji, hewa | 1 080 | 835 | 10 | 269 |
28 | 40CrNiMoA | 850 | -- | mafuta | 600 | Maji, hewa | 980 | 835 | 12 | 269 |
29 | 45CrNiMoVA | 860 | - | mafuta | 460 | mafuta | 1 470 | 1 325 | 7 | 269 |
a. Marekebisho yanayoruhusiwa ya halijoto ya matibabu ya joto yaliyoorodheshwa kwenye jedwali: kuzima ± 15 ℃, joto la chini matiko ± 20 ℃, udongo wa matiko wa joto la juu 50 ℃.b. Katika mtihani wa mvutano, sampuli za transverse au longitudinal zinaweza kuchukuliwa. Katika kesi ya kutokubaliana, sampuli ya longitudinal hutumiwa kama msingi wa usuluhishi.c. Chuma kilicho na boroni kinaweza kurekebishwa kabla ya kuzima, na hali ya joto ya kawaida haipaswi kuwa kubwa kuliko joto lake la kuzima.d. Uwasilishaji kulingana na seti ya data iliyoainishwa na mwombaji. Wakati mwombaji hajataja, uwasilishaji unaweza kufanywa kulingana na data yoyote. e. Uzimaji wa kwanza wa chuma cha titan na Ming Meng unaweza kubadilishwa na kurekebisha. f. Uzimaji wa isothermal kwa 280 C ~320 C. g. Katika jaribio la mvutano, ikiwa Rel haiwezi kupimwa, Rp0.2 inaweza kupimwa badala ya Rel. |
Mahitaji ya Mtihani
Muundo wa kemikali:
Kunyoosha, Ugumu, Mshtuko, Boga, Kuinama, Jaribio la Ultrasonic, Eddy mkondo, utambuzi, kugundua kuvuja, Mabati