Awọn Falopọ Irin SEMELSET fun eto deede
Boṣewa:GB / 8162-2008 | Alloy tabi rara: Alloy tabi erogba |
Ẹgbẹ ite: 10,20,35, 45, Q445, Q445, Q460, Q490, Q62CMO, 35Rmo, ati be be | Ohun elo: paipu igbekale, paipu ẹrọ |
Sisanra: 1 - 100 mm | Itọju dada: bi ibeere alabara |
Iwọn ila opin ti ode (10 - 1000 mm | Ilana: ti yiyi bo tabi ti yiyi tutu |
Gigun: ipari ti o wa titi tabi ipari ipari | Itọju ooru: igbesoke / deede / aifọkanbalẹ duro |
Apẹrẹ apakan: yika | Pipe pataki: Pipe ogiri ti o nipọn |
Ibi ti Oti: China | Lilo: Ikole, ẹrọ |
Iwe-ẹri: ISO9001: 2008 | Idanwo: ect / ut |
O ti lo nipataki lati ṣe irin ti igbekale ọkọ ayọkẹlẹ, awọn irin irin ti o jẹ ẹya ati ẹrọ ẹrọ.
Ite ti irin ti o jẹ ẹya ara ẹrọ.
Ipele ti Alloy igbekale Irin: 42cmmo, 35cmo, ati bẹbẹ lọ
Irin ite | Ipele didara | Gbona kemikali | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als " | ||
Ko si tobi ju | ko kere ju | |||||||||||||||
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 | 0,1 | 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 | 0.6 | 1.8 | 0.025 | 0.02 | 0,1 | 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 | 0,1 | 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 | 0,1 | 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. Ni afikun si Q345A ati awọn gilasi Q345b, awọn irin-iwe Q345 Gẹgẹbi awọn iwulo, olupese le ṣafikun ọkan tabi diẹ sii awọn eroja ọkà ti o tunṣe diẹ sii ti tunṣe. Iye to pọ julọ yoo jẹ bi a ti ṣalaye ninu tabili. Nigbati o ba papọ, nb + v + ti ko ju 0.22% B. Fun Q345, Q390, Q420 ati Q46o Awọn giredi, Mo + Kr ko tobi ju 0.30% c. Nigbati o bar ati ni ti awọn eroja kọọkan ni a lo bi awọn eroja ti n dagba, awọn akoonu ti CR ati Nini ko yẹ ki o tobi ju 0.30% ;30 !30%; Nigbati o jẹ pataki lati ṣafikun, akoonu yẹ ki o pade awọn ibeere ninu tabili tabi pinnu nipasẹ olupese ati eniti o ra nipasẹ ijumọsọrọ.d. Ti olupese le rii daju pe akoonu nitrogen pade awọn ibeere ninu tabili, itupalẹ nitrogen akoonu le ma ṣe. Ti Al, NB, v, ti ati awọn eroja alumọni miiran pẹlu atunṣe nitrogen ti wa ni afikun si irin, akoonu nitrogen ko ni opin. Awọn akoonu atunṣe atunṣe nitrogen yẹ ki o ṣalaye ninu ijẹrisi didara. E. Nigbati o ba nlo aluminiomu ni kikun, akoonu aluminium lapapọ Alc ≥ 0020%. |
Ipo | Erogba deede Carge (ida-ida) /% | |||||
Ti o nipọn ogiri odi SH≤ 16mm | Titiipa ogiri S2> 16 mm~30 mm | Awọn sisanra Odi Wimaning S> 30mm | ||||
Ti yiyi tabi ṣe deede deede | Quekhing + tending | Gbona ti yiyi tabi deede | Quekhing + tending | Gbona ti yiyi tabi deede | Quekhing + tending | |
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 |
Awọn ohun-ini darí ti irin ti o ga-didara irin ti o ga ati awọn oniwa-giga giga irin-ajo giga irin-ajo giga
Ipo | Ipele didara | Mu agbara | Agbara Isoro kekere | Elongation lẹhin fifọ | Idanwo ikolu | |||
Iduro kan ti o wa ni sisanra | iwọn otutu | Fa agbara | ||||||
<16 mm | > 16 mm~ | > 30 mm | ||||||
30 mm | ||||||||
ko kere ju | ko kere ju | |||||||
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 |
Awọn ohun-ini darí ti awọn ọpa onipo
NO | Ipo | Ti iṣeduro ijọba itọju ooru | Awọn ohun-ini Tensele | Annaalyed tabi otutu ti o ni idagbasoke ti o ni irọrun irin | ||||||
Quekhing (Dajudaju) | Iru ijẹ | Eso okun | Mensile agbara mpha | Elongation lẹhin fifọ% | ||||||
iwọn otutu | Iwọ otutu | Iwọn otutu | Iwọ otutu | |||||||
Frisst | Ikeji | ko kere ju | Ko si tobi ju | |||||||
1 | 40mn2 | 840 | Omi, epo | 540 | Omi, epo | 885 | 735 | 12 | 217 | |
2 | 45mN2 | 840 | Omi, epo | 550 | Omi, epo | 885 | 735 | 10 | 217 | |
3 | 27simn | 920 | Omi | 450 | Omi, epo | 980 | 835 | 12 | 217 | |
4 | 40MNBC | 850 | eepo | 500 | Omi, epo | 980 | 785 | 10 | 207 | |
5 | 45MNBC | 840 | eepo | 500 | Omi, epo | 1 030 | 835 | 9 | 217 | |
6 | 20mn2bc | 880 | eepo | Ọkẹkọọkan | Omi, afẹfẹ | 980 | 785 | 10 | 187 | |
7 | 20cdj | 880 | 800 | Omi, epo | Ọkẹkọọkan | Omi, afẹfẹ | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30Cc | 860 | eepo | 500 | Omi, epo | 885 | 685 | 11 | 187 | |
9 | 35Cr | 860 | eepo | 500 | Omi, epo | 930 | 735 | 11 | 207 | |
10 | 40 Bra | 850 | eepo | 520 | Omi, epo | 980 | 785 | 9 | 207 | |
11 | 45Cr | 840 | eepo | 520 | Omi, epo | 1 030 | 835 | 9 | 217 | |
12 | 50Cc | 830 | eepo | 520 | Omi, epo | 1 080 | 930 | 9 | 229 | |
13 | 38Ccsi | 900 | eepo | 600 | Omi, epo | 980 | 835 | 12 | 255 | |
14 | Din 20cmodj | 880 | Omi, epo | 500 | Omi, epo | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35Crmo | 850 | eepo | 550 | Omi, epo | 980 | 835 | 12 | 229 | |
16 | 42crmo | 850 | eepo | 560 | Omi, epo | 1 080 | 930 | 12 | 217 | |
17 | 38crmoal | 940 | Omi, epo | 640 | Omi, epo | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50CwVa | 860 | eepo | 500 | Omi, epo | 1 275 | 1 130 | 10 | 255 | |
19 | Toctormn | 850 | eepo | Ọkẹkọọkan | Omi, afẹfẹ | 930 | 735 | 10 | 187 | |
20 | 20cmnsif | 880 | eepo | 480 | Omi, epo | 785 | 635 | 12 | 207 | |
21 | 3ACMNIF | 880 | eepo | 520 | Omi, epo | 1 080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35cmnsia £ | 880 | eepo | 230 | Omi, afẹfẹ | 1 620 | 9 | 229 | ||
23 | 20cmntie-f | 880 | 870 | eepo | Ọkẹkọọkan | Omi, afẹfẹ | 1 080 | 835 | 10 | 217 |
24 | 30cmntie * f | 880 | 850 | eepo | Ọkẹkọọkan | Omi, afẹfẹ | 1 470 | 9 | 229 | |
25 | 12Crni2 | 860 | 780 | Omi, epo | Ọkẹkọọkan | Omi, afẹfẹ | 785 | 590 | 12 | 207 |
26 | 12Crni3 | 860 | 780 | eepo | Ọkẹkọọkan | Omi, afẹfẹ | 930 | 685 | 11 | 217 |
27 | 12Cr2Ni4 | 860 | 780 | eepo | Ọkẹkọọkan | Omi, afẹfẹ | 1 080 | 835 | 10 | 269 |
28 | 40cnimo | 850 | - | eepo | 600 | Omi, afẹfẹ | 980 | 835 | 12 | 269 |
29 | 45crnimova | 860 | - | eepo | 460 | eepo | 1 470 | 1 325 | 7 | 269 |
a. Iwọn iwọn otutu ti iwọn otutu ti a ṣe akojọ ninu tabili: Quiveking ± ℃, iwọn otutu otutu to ℃ Bẹẹni 20 ℃.b. Ninu idanwo Tesule, transverssi tabi awọn ayẹwo gigun le ṣee gba. Ni ọran ti iyapa, apẹẹrẹ gigun ni a lo bi ipilẹ fun ẹjọ.c. A le ṣe iwọn irin ti o le jẹ deede ṣaaju ki o to sọ di mimọ, ati iwọn otutu ti kii ba deede ko yẹ ki o ga ju iwọn otutu idaamu rẹ.d. Ifijiṣẹ ni ibamu si eto ti data ti o ṣalaye nipasẹ ẹmi orin. Nigbati ẹmi-iṣere ti ko ṣalaye, ifijiṣẹ le ṣee ṣe ni ibamu si eyikeyi data naa.e. Awọn ibeere akọkọ ti irin titanieji ti o ba le rọpo nipasẹ Ming Merg ni a le paarọ rẹ nipasẹ ṣiṣeeṣe.f. Iloothermal ni 280 c ~ 320 c. g. Ninu idanwo Tensele, ti o ba ko le ṣe iwọn, RP0.2 le ni iwọn dipo ti o ba. |
Iyapa gbigbin ti iwọn ipari ti paipu irin
Iru paipu irin | Ifarada gba laaye |
Paiti irin ti yiyi | ± 1% D tabi ± 0,5, eyikeyi buru julọ |
Tutu ti a fa silẹ irin | Ile 0,75% D tabi ile 0.3, eyikeyi ti o tobi julọ |
Iyatọ gbigba agbara ti sisanra ogiri ti ti yiyi lọpọlọpọ (ti o gbooro sii) Pipe Irin
Iru paipu irin | D | S / d | Ifarada gba laaye |
Paiti irin ti yiyi | <102 | - | ± 12.5% s tabi ± 0.4, eyikeyi ti o tobi julọ |
> 102 | <0.05 | ± 15% s tabi ± 0,4, eyikeyi ti o tobi julọ | |
> 0.05 ~0.10 | ± 12.5% s tabi ± 0.4, eyikeyi ti o tobi julọ | ||
> 0.10 | + 12.5% s -10% s | ||
Ooru gbooro si irin | 一 | 土 15% s |
Isanwo ti o gba laaye ti sisanra ogiri ti otutu (ti a ti yiyi) irin
| S | Ifarada gba laaye |
Flong iyaworan (sẹsẹ) | V | + 15% s Tabi 0.15, eyikeyi buru julọ -10% s |
> 3 - 10 | + 12.5% s -10% s | |
> 10 | 土 10% s |
Awọn ohun elo kemikali, na, lile, mọnamọna, elegede, igbesoke, idanwo ultras, Edchy lọwọlọwọ, iṣawari
Awọn Faili Irin ti ko ni agbara fun awọn idi igbekale, awọn iwẹ irin ti ko gbaradi fun awọn ẹya ẹrọ ni GB / 8162-2008. Ni awọn ohun elo irin Seampless, o wa iru ohun elo ti a pe ni Q345B irin tube laini okun jẹ jara alloy kekere. Ni awọn ohun elo alloy kekere, ohun elo yii jẹ wọpọ julọ. Q3445 SEMBless Irin TUbe jẹ iru ohun elo tube irin. Q jẹ eso ti ohun elo yii, ati 345 ni ikore ti ohun elo yii, eyiti o wa ni ayika 345. Ati iye ikore yoo dinku pẹlu ilosoke ti sisanra ti ohun elo. Ipele Q345a, ko ni ipa; Q345B, jẹ iwọn 20 deede ni ipa lori ipa otutu; Kilasi Q345c, jẹ ipa ti oye 0; Q345d, ipa-ṣiṣe ti o ni oye; Kilasi Q345E, iyokuro 40 iwọn. Iye ipa naa tun yatọ si awọn iwọn otutu ti o yatọ. Q345a, Q345B, Q345c, Q345d, Q345E. Eyi ni ite iyatọ, eyiti o duro fun, ni iwọn otutu ti o yatọ si.
Boṣewa ipaniyan
1 2. Awọn ohun elo irin iyebiye irin fun gbigbe irin-ajo (GB8163-2018) ni a lo fun sisọ omi, epo, gaasi ati awọn fifa omi gbogbogbo. 3. 4. Kosi irin irin fun filer titẹ giga (GB5310-2018) ni a lo fun iṣelọpọ omi alapapo omi alapapo, irin alagbara, irin alagbara, irin tube
Q345B | |||
alaye | alaye | alaye | alaye |
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 | 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 |
Ohun elo kẹmika
Irin ite | Ipele didara | Gbona kemikali | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als " | ||
Ko si tobi ju | Ko kere ju | |||||||||||||||
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. Ni afikun si Q345A ati awọn gilasi Q345b, awọn irin-iwe Q345 Gẹgẹbi awọn iwulo, olupese le ṣafikun ọkan tabi diẹ sii awọn eroja ọkà ti o tunṣe diẹ sii ti tunṣe. Iye to pọ julọ yoo jẹ bi a ti ṣalaye ninu tabili. Nigbati o ba papọ, nb + v + ti ko ju 0.22% B. Fun Q345, Q390, Q420 ati Q46o Awọn giredi, Mo + Kr ko tobi ju 0.30% c. Nigbati o bar ati ni ti awọn eroja kọọkan ni a lo bi awọn eroja ti n dagba, awọn akoonu ti CR ati Nini ko yẹ ki o tobi ju 0.30% ;30 !30%; Nigbati o jẹ pataki lati ṣafikun, akoonu yẹ ki o pade awọn ibeere ninu tabili tabi pinnu nipasẹ olupese ati eniti o ra nipasẹ ijumọsọrọ.d. Ti olupese le rii daju pe akoonu nitrogen pade awọn ibeere ninu tabili, itupalẹ nitrogen akoonu le ma ṣe. Ti Al, NB, v, ti ati awọn eroja alumọni miiran pẹlu atunṣe nitrogen ti wa ni afikun si irin, akoonu nitrogen ko ni opin. Awọn akoonu atunṣe atunṣe nitrogen yẹ ki o ṣalaye ninu ijẹrisi didara. E. Nigbati o ba nlo aluminiomu ni kikun, akoonu akoonu aluminium lapapọ≥0020%. |
Ipo | Erogba deede Carge (ida-ida) /% | |||||
Ti o nipọn ogiri odi SH≤ 16mm | Awọn sisanra Odi S2> 16 mm~30 mm | Awọn sisanra Odi Wimaning S> 30mm | ||||
Ti yiyi tabi ṣe deede deede | Ebute+Iru ijẹ | Gbona ti yiyi tabi deede | Ebute+Iru ijẹ | Gbona ti yiyi tabi deede | Ebute+Iru ijẹ | |
Q345 | <0.45 | - | <0.47 | - | <0.48 | 一 |
Ohun-ini darí
Awọn ohun-ini darí ti irin ti o ga-didara irin ti o ga ati awọn oniwa-giga giga irin-ajo giga irin-ajo giga
Ipo | Ipele didara | Mu agbara | Agbara Isoro kekere | Elongation lẹhin fifọ | Idanwo ikolu | |||
Iduro kan ti o wa ni sisanra | Iwọn otutu | Fa agbara | ||||||
<16 mm | > 16 mm~ | >30 mm | ||||||
30 mm | ||||||||
Ko kere ju | Ko kere ju | |||||||
Q345 | A | 470-630 | 345 | 325 | 295 | 20 | - | 一 |
B | 4 ~ 20 | 34 | ||||||
C | 21 | 0 | ||||||
D | -20 | |||||||
E | -40 | 27 |
Ibeere idanwo
Awọn ohun elo kemikali: Na, lile, mọnamọna, elegede, atunse, idanwo ultrasonic, Edchy lọwọlọwọ, iṣawari