Hanganga waro Paipa maitai
Ka kaweake e ta maatau kamupene nga paipa maitai hanganga,Haina Paipa Kore, Haina hanga paipa, paipa maitai tuitui, paipa hanganga. Ko te rauemi Q345B he momo paipa maitai hanganga.
Ko te Q345 he momo taonga maitai. He waro koranu maitai (c<0.2%) me te pai o te mahi katoa, te pai o te mahi o te pāmahana iti, te mahi hiri matao, te mahi fehokotaki me te machinability. Kei te whakamahia nuitia i roto i nga piriti, waka, kaipuke, whare, waka pehanga, aha atu. Ko te Q te tohu o te hua o tenei rauemi, a ko te whakamutunga 345 e tohu ana ki te uara hua o tenei rauemi, e tata ana ki te 345MPa. Na ka piki ake te matotoru o te rauemi, ka heke tona uara tuku.
Te kaha tuku:≤16mm:neke atu i te 345, 16-40mm: neke atu i te 335, 40-63mm: neke atu i te 325, 63-80mm: neke atu i te 315, 80-100m: neke atu i te 305, 100-150mm: neke atu i te 285, 150-200mm: neke atu i te 275.
Te kaha kaha: 450-630.
Te whakaroa: neke atu i te 17.
Whakamātautau Pānga: Te pāmahana whakamātautau: 20°C: neke atu i te 34.
Paerewa Whakahaere
1. He paipa maitai mo te hanganga (GB/T8162-2008) hepaipa maitai tuituimo te hanganga whanui me te hanganga miihini.
2. Ko te putorino maitai korekore mo te kawe wai (GB/T8163-2008) he putorino maitai whanui e whakamahia ana hei kawe i te wai, te hinu, te hau me etahi atu wai.
3. Ko nga putorino rino korekore mo nga kohu pehanga iti me te reo (GB3087-2008) he paipa wera waro hanganga maitai hei hanga putorino koromamao, paipa wai kohua mo nga kohu pehanga iti me te reo o nga momo hanganga, me nga putorino mamaoa wera rawa atu. paipa pereki kikorangi mo nga kohu waka. Ko nga ngongo maitai tuitui me te toia matao (whakatakahia).
4. Ko nga putorino rino korekore mo nga kohu pehanga teitei (GB5310-2008) he maitai waro kounga teitei, he koranu maitai me te kowiri tira paipa mo te papa whakamahana o nga kohu wai-kore me te pehanga teitei me runga ake.
Tirohanga
Taupānga
Ka whakamahia te nuinga ki te hanga waro hangahanga maitai, Alloy Structural Steel me nga hanganga miihini.
Koeke Matua
Koeke o te Waro Hanganga Steel: 10,20,35, 45,Q345,Q460,Q490,Q620,,Etc
Koeke O Alloy Structural Steel: 42CrMo,35CrMo, Etc
Waahanga matū
Koeke maitai | taumata kounga | Te hanganga matū | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als” | ||
kaua e nui ake i | kaua e iti iho i te | |||||||||||||||
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.I tua atu i nga tohu Q345A me te Q345B, me uru ki roto i te maitai tetahi o nga huānga witi parakore Al, Nb, V, me Ti. E ai ki nga hiahia, ka taea e te kaiwhakarato te taapiri i tetahi, neke atu ranei nga huanga witi parakore. Ko te uara morahi kia rite ki te ripanga. Ina whakakotahi, ko Nb + V + Ti kaore e neke ake i te 0.22%b. Mo nga tohu Q345, Q390, Q420 me Q46O, Mo + Cr kaore e nui ake i te 0.30%c. Ina whakamahia te Cr me te Ni o ia karaehe hei huānga toenga, ko te ihirangi o Cr me Ni kia kaua e nui ake i te 0.30%; i te wa e tika ana ki te taapiri, me tutuki nga ihirangi ki nga whakaritenga i roto i te teepu, ka whakatauhia ranei e te kaiwhakarato me te kaihoko ma te korerorero.d. Mena ka taea e te kaiwhakarato te whakarite kia tutuki te ihirangi hauota ki nga whakaritenga o te ripanga, kaore pea e mahia te tātaritanga hauota. Mēnā ka tāpirihia te Al, Nb, V, Ti me ētahi atu huānga koranu me te whakatika hauota ki te maitai, karekau he iti te ihirangi hauota. Ko te ihirangi whakatika hauota me tohu ki te tiwhikete kounga.e. A, no te whakamahi i te konumohe katoa, te katoa ihirangi konumohe Alt ≥ 0020%. |
Kōeke | Wao rite CEV (hautau papatipu) /% | |||||
Te matotoru pakitara ingoa s≤ 16mm | Te matotoru pakitara S2>16 mm〜30 mm | Te matotoru pakitara ingoa S>30mm | ||||
Te wera i whakatakahia, ka whakanoatia ranei | Quenching +te whakamahana | He wera kua hurihia, he mea whakarite ranei | Quenching +te whakamahana | He wera kua hurihia, he mea whakarite ranei | Quenching +te whakamahana | |
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 |
Taonga Miihini
Ko nga ahuatanga miihini o te waro maitai teitei o te maitai hanganga me nga paipa maitai hanganga kaha-iti-iti.
Kōeke | taumata kounga | Te Kaha Tuku | Te kaha tuku iti | Te whakaroa i muri i te pakaru | Whakamātautau pānga | |||
Te matotoru pakitara ingoa | pāmahana | Horohia te kaha | ||||||
<16 mm | >16 mm〜 | 〉30 mm | ||||||
30 mm | ||||||||
kaua e iti iho i te | kaua e iti iho i te | |||||||
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 |
Nga ahuatanga miihini o nga paipa maitai koranu
NO | Kōeke | Te tikanga maimoatanga wera e taunaki ana | Ngā āhuatanga tensile | He paipa rino whakamahana, he wera teitei ranei Te ahua o te tuku Brinell pakeke HBW | ||||||
Tikina (whakatikatika) | Te whakapataritari | Tuku KahaMPa | Te Kaha Tensile MPa | Te whakaroa i muri i te whati A% | ||||||
pāmahana | Te whakamahana | Te pāmahana | Te whakamahana | |||||||
Paraiha | Tuarua | kaua e iti iho i te | kaua e nui ake i | |||||||
1 | 40Mn2 | 840 | Te wai, te hinu | 540 | Te wai, te hinu | 885 | 735 | 12 | 217 | |
2 | 45Mn2 | 840 | Te wai, te hinu | 550 | Te wai, te hinu | 885 | 735 | 10 | 217 | |
3 | 27SiMn | 920 | Wai | 450 | Te wai, te hinu | 980 | 835 | 12 | 217 | |
4 | 40MnBc | 850 | hinuhinu | 500 | Te wai, te hinu | 980 | 785 | 10 | 207 | |
5 | 45MnBc | 840 | hinuhinu | 500 | Te wai, te hinu | 1 030 | 835 | 9 | 217 | |
6 | 20Mn2Bc'f | 880 | hinuhinu | 200 | Te wai, te hau | 980 | 785 | 10 | 187 | |
7 | 20CrdJ | 880 | 800 | Te wai, te hinu | 200 | Te wai, te hau | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30Cr | 860 | hinuhinu | 500 | Te wai, te hinu | 885 | 685 | 11 | 187 | |
9 | 35Cr | 860 | hinuhinu | 500 | Te wai, te hinu | 930 | 735 | 11 | 207 | |
10 | 40Cr | 850 | hinuhinu | 520 | Te wai, te hinu | 980 | 785 | 9 | 207 | |
11 | 45Cr | 840 | hinuhinu | 520 | Te wai, te hinu | 1 030 | 835 | 9 | 217 | |
12 | 50Cr | 830 | hinuhinu | 520 | Te wai, te hinu | 1 080 | 930 | 9 | 229 | |
13 | 38CrSi | 900 | hinuhinu | 600 | Te wai, te hinu | 980 | 835 | 12 | 255 | |
14 | 20CrModJ | 880 | Te wai, te hinu | 500 | Te wai, te hinu | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35CrMo | 850 | hinuhinu | 550 | Te wai, te hinu | 980 | 835 | 12 | 229 | |
16 | 42CrMo | 850 | hinuhinu | 560 | Te wai, te hinu | 1 080 | 930 | 12 | 217 | |
17 | 38CrMoAld | 940 | Te wai, te hinu | 640 | Te wai, te hinu | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50CrVA | 860 | hinuhinu | 500 | Te wai, te hinu | 1 275 | 1 130 | 10 | 255 | |
19 | 2OCrMn | 850 | hinuhinu | 200 | Wai, hau | 930 | 735 | 10 | 187 | |
20 | 20CrMnSif | 880 | hinuhinu | 480 | Te wai, te hinu | 785 | 635 | 12 | 207 | |
21 | 3OCrMnSif | 880 | hinuhinu | 520 | Te wai, te hinu | 1 080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35CrMnSiA£ | 880 | hinuhinu | 230 | Wai, hau | 1 620 | 9 | 229 | ||
23 | 20CrMnTie-f | 880 | 870 | hinuhinu | 200 | Wai, hau | 1 080 | 835 | 10 | 217 |
24 | 30CrMnTie*f | 880 | 850 | hinuhinu | 200 | Wai, hau | 1 470 | 9 | 229 | |
25 | 12CrNi2 | 860 | 780 | Te wai, te hinu | 200 | Wai, hau | 785 | 590 | 12 | 207 |
26 | 12CrNi3 | 860 | 780 | hinuhinu | 200 | Wai, hau | 930 | 685 | 11 | 217 |
27 | 12Cr2Ni4 | 860 | 780 | hinuhinu | 200 | Wai, hau | 1 080 | 835 | 10 | 269 |
28 | 40CrNiMoA | 850 | —— | hinuhinu | 600 | Wai, hau | 980 | 835 | 12 | 269 |
29 | 45CrNiMoVA | 860 | — | hinuhinu | 460 | hinuhinu | 1 470 | 1 325 | 7 | 269 |
a. Ka taea te whakarereketanga o te pāmahana maimoatanga wera kua whakarārangihia ki te teepu: te tinei ± 15 ℃, te iti o te pāmahana whakamahana ± 20 ℃, te teitei o te wera whakamahana oneone 50 ℃.b. I roto i te whakamatautau tensile, ka taea te tango tauira whakawhiti me te roa. Mena he tautohetohe, ka whakamahia te tauira roa hei turanga mo te apitireihana.c. Ka taea te whakarite i te rino kei roto i te Boron i mua i te tineia, me te mea kia kaua e teitei ake te paemahana whakamohoatanga i tona pāmahana tinei.d. Tukuna kia rite ki te huinga o nga raraunga i tohua e te kai tono. Mena kaore i tohua e te kaitono, ka taea te tuku kia rite ki tetahi o nga raraunga. e. Ko te tiini tuatahi o te titanium maitai me Ming Meng ka taea te whakakapi ma te whakarite. f. Te tinei i te werawera i te 280 C ~ 320 C. g. I roto i te whakamātautau tensile, ki te kore e taea te ine Rel, ka taea te ine Rp0.2 hei utu mo Rel. |
Whakaritenga Whakamatau
Hanganga matū:
Totoro, Maama, Huri, Kamokamo, Piko, Whakamatau Ultrasonic, Eddy au, rapunga, Rapu turuturu, Piauau