Ile-iṣẹ ti a ṣe adani China konge Ailokun Welded Irin tube / Erogba Iwọnba Low Alloy Irin Pipe
Akopọ
Lati pade idunnu ti a nireti awọn alabara, a ni ẹgbẹ ti o lagbara lati funni ni iṣẹ gbogbogbo wa ti o dara julọ eyiti o ṣafikun ipolowo ati titaja, titaja ọja, apẹrẹ, iṣelọpọ, iṣakoso didara ti o dara, iṣakojọpọ, ikojọpọ ati awọn eekaderi fun Ilẹ-irin Alailowaya Welded Tube / Erogba ìwọnba Low Alloy Irin Pipe, Wa aniyan ni "gbigbo titun pakà, Ran Iye", ni ìṣe, a tọkàntọkàn pe o lati pato mu soke pẹlu wa ki o si ṣe a danmeremere gun igba jọ! Ile-iṣẹ wa ti kọ awọn ibatan iṣowo iduroṣinṣin pẹlu ọpọlọpọ awọn ile-iṣẹ ile ti a mọ daradara bi awọn alabara okeokun. Pẹlu ibi-afẹde ti ipese awọn ọja to gaju ati awọn solusan si awọn alabara ni awọn ibusun kekere, a ti pinnu lati ni ilọsiwaju awọn agbara rẹ ni iwadii, idagbasoke, iṣelọpọ ati iṣakoso. A ti ni ọla lati gba idanimọ lati ọdọ awọn alabara wa. Titi di bayi a ti kọja ISO9001in 2005 ati ISO / TS16949 ni ọdun 2008. Awọn ile-iṣẹ ti “didara iwalaaye, igbẹkẹle ti idagbasoke” fun idi naa, tọkàntọkàn gba awọn oniṣowo ile ati ajeji lati ṣabẹwo lati jiroro ifowosowopo.
ASTM A672 jẹ boṣewa elekitirofu foliteji giga-giga ti o wọpọ. Iwọn otutu ti awọn ohun elo ti a ṣe akojọ si ni boṣewa jẹ lati 20 ° C si -195 ° C. Nitorinaa, boṣewa A672 nigbagbogbo lo fun awọn paipu welded ni iwọn otutu kekere. Lara wọn, CC60 CL22 jẹ ohun elo paipu iwọn otutu ti o wọpọ ti a lo, eyiti o jẹ ti A516GR.60 alabọde ati iwọn otutu ti o ni iwọn kekere ti awọn awo erogba, irin. O jẹ ohun elo ti o ṣe pataki fun awọn paipu welded itanna. Iwọn otutu idanwo ipa ni a nilo lati jẹ -50°C, eyiti o le rọpo nipasẹ ohun elo Kannada Q345R. Iṣakojọpọ kemikali ati awọn ohun-ini ẹrọ ti awọn meji jẹ iru:
CC60:
C: 0.23%; Mn: 0.55% ~ 1.3%; Si: 0.13% ~ 0.45%; P: 0.025% S: 0.025
Agbara fifẹ: 415 ~ 550Mpa
Agbara ikore: 220Mpa
Ilọsiwaju: 21%
Q345R:
C: 0.22%; Mn: 1.6%; Si: 0.55%; P: 0.025% S: 0.025
Agbara fifẹ: 470 ~ 630Mpa
Agbara ikore: 345Mpa
Ilọsiwaju: 21%
Ohun elo
O ti wa ni akọkọ Lo Lati Ṣe Erogba Igbekale Irin, Alloy Structural Steel ati darí ẹya.
Akọkọ ite
Ite Ti Irin Igbekale Erogba: 10,20,35, 45,Q345,Q460,Q490,Q620,,Abbl
Ite Of Alloy Structural Steel: 42CrMo,35CrMo, etc.
Ohun elo Kemikali
Irin ite | Ipele didara | Kemikali tiwqn | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als" | ||
ko tobi ju | ko kere ju | |||||||||||||||
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.Ni afikun si awọn onipò Q345A ati Q345B, irin yẹ ki o ni o kere ju ọkan ninu awọn eroja ọkà Al, Nb, V, ati Ti. Gẹgẹbi awọn iwulo, olupese le ṣafikun ọkan tabi diẹ sii awọn eroja ọkà ti a ti tunṣe. Iwọn ti o pọju yoo jẹ bi pato ninu tabili. Nigbati a ba ni idapo, Nb + V + Ti ko ju 0.22% lọ.b. Fun Q345, Q390, Q420 ati Q46O, Mo + Cr ko tobi ju 0.30%c. Nigbati Cr ati Ni ti ipele kọọkan jẹ lilo bi awọn eroja ti o ku, akoonu Cr ati Ni ko yẹ ki o tobi ju 0.30%; nigba ti o jẹ dandan lati ṣafikun, akoonu yẹ ki o pade awọn ibeere ni tabili tabi pinnu nipasẹ olupese ati olura nipasẹ ijumọsọrọ.d. Ti olupese ba le rii daju pe akoonu nitrogen pade awọn ibeere ninu tabili, itupalẹ akoonu nitrogen le ma ṣe. Ti Al, Nb, V, Ti ati awọn eroja alloy miiran pẹlu imuduro nitrogen ti wa ni afikun si irin, akoonu nitrogen ko ni opin. Awọn akoonu imuduro nitrogen yẹ ki o wa ni pato ninu ijẹrisi didara.e. Nigbati o ba nlo aluminiomu ni kikun, akoonu aluminiomu lapapọ Alt ≥ 0020%. |
Ipele | Erogba deede CEV (ida pupọ) /% | |||||
Iwọn odi ipin s≤ 16mm | Iwọn odi ipin S2> 16 mm〜30 mm | Ìsanra ogiri ipin S> 30mm | ||||
Gbona ti yiyi tabi deede deede | Quenching gbigbona | Gbona ti yiyi tabi deede | Quenching gbigbona | Gbona ti yiyi tabi deede | Quenching gbigbona | |
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 Ini
Awọn ohun-ini ẹrọ ti erogba irin didara giga, irin igbekale irin ati kekere alloy agbara-giga giga ti awọn paipu irin
Ipele | Ipele didara | Agbara Ikore | Isalẹ ikore agbara | Elongation lẹhin fifọ | Idanwo ipa | |||
Iforukọ odi sisanra | otutu | Gba 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 |
Mechanical-ini ti alloy irin pipes
NO | Ipele | Ilana itọju ooru ti a ṣe iṣeduro | Awọn ohun-ini fifẹ | Annealed tabi ga otutu tempered irin paipu Ifijiṣẹ majemu Brinell líle HBW | ||||||
Pipa (deede) | Ìbínú | Mu Agbara MPa | Agbara Agbara MPa | Ilọsiwaju lẹhin fifọ A% | ||||||
otutu | Itura | Iwọn otutu | Itura | |||||||
Akọkọ | Keji | ko kere ju | ko 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 | epo | 500 | Omi, epo | 980 | 785 | 10 | 207 | |
5 | 45MnBc | 840 | epo | 500 | Omi, epo | 1030 | 835 | 9 | 217 | |
6 | 20Mn2Bc'f | 880 | epo | 200 | Omi, afẹfẹ | 980 | 785 | 10 | 187 | |
7 | 20KrdJ | 880 | 800 | Omi, epo | 200 | Omi, afẹfẹ | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30Kr | 860 | epo | 500 | Omi, epo | 885 | 685 | 11 | 187 | |
9 | 35Kr | 860 | epo | 500 | Omi, epo | 930 | 735 | 11 | 207 | |
10 | 40Kr | 850 | epo | 520 | Omi, epo | 980 | 785 | 9 | 207 | |
11 | 45Kr | 840 | epo | 520 | Omi, epo | 1030 | 835 | 9 | 217 | |
12 | 50Kr | 830 | epo | 520 | Omi, epo | 1080 | 930 | 9 | 229 | |
13 | 38CrSi | 900 | epo | 600 | Omi, epo | 980 | 835 | 12 | 255 | |
14 | 20CrModJ | 880 | Omi, epo | 500 | Omi, epo | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35CrMo | 850 | epo | 550 | Omi, epo | 980 | 835 | 12 | 229 | |
16 | 42CrMo | 850 | epo | 560 | Omi, epo | 1080 | 930 | 12 | 217 | |
17 | 38CrMoAld | 940 | Omi, epo | 640 | Omi, epo | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50CrVA | 860 | epo | 500 | Omi, epo | 1275 | 1130 | 10 | 255 | |
19 | 2OCrMn | 850 | epo | 200 | Omi, afẹfẹ | 930 | 735 | 10 | 187 | |
20 | 20CrMnSif | 880 | epo | 480 | Omi, epo | 785 | 635 | 12 | 207 | |
21 | 3OCrMnSif | 880 | epo | 520 | Omi, epo | 1080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35CrMnSiA£ | 880 | epo | 230 | Omi, afẹfẹ | 1620 | 9 | 229 | ||
23 | 20CrMnTie-f | 880 | 870 | epo | 200 | Omi, afẹfẹ | 1080 | 835 | 10 | 217 |
24 | 30CrMnTie * f | 880 | 850 | epo | 200 | Omi, afẹfẹ | 1470 | 9 | 229 | |
25 | 12CrNi2 | 860 | 780 | Omi, epo | 200 | Omi, afẹfẹ | 785 | 590 | 12 | 207 |
26 | 12CrNi3 | 860 | 780 | epo | 200 | Omi, afẹfẹ | 930 | 685 | 11 | 217 |
27 | 12Cr2Ni4 | 860 | 780 | epo | 200 | Omi, afẹfẹ | 1080 | 835 | 10 | 269 |
28 | 40CrNiMoA | 850 | —— | epo | 600 | Omi, afẹfẹ | 980 | 835 | 12 | 269 |
29 | 45CrNiMoVA | 860 | - | epo | 460 | epo | 1470 | 1325 | 7 | 269 |
a. Allowable tolesese ibiti o ti ooru itọju otutu akojọ si ni tabili: quenching ± 15 ℃, kekere otutu tempering ± 20 ℃, ga otutu tempering ile 50 ℃.b. Ninu idanwo fifẹ, ifa tabi awọn ayẹwo gigun le ṣee mu. Ni ọran ti iyapa, apẹẹrẹ gigun ni a lo bi ipilẹ fun idajọ.c. Irin ti o ni boron le jẹ deede ṣaaju ki o to pa, ati pe iwọn otutu deede ko yẹ ki o ga ju iwọn otutu rẹ lọ.d. Ifijiṣẹ ni ibamu si eto data ti a sọ pato nipasẹ olubẹwẹ. Nigbati olubẹwẹ ko ba ni pato, ifijiṣẹ le ṣee ṣe ni ibamu si eyikeyi data naa. e. Ipipa akọkọ ti irin titanium pẹlu Ming Meng le paarọ rẹ nipasẹ ṣiṣe deede. f. Isothermal quenching ni 280 C ~ 320 C. g. Ninu idanwo fifẹ, ti ko ba le ṣe iwọn Rel, Rp0.2 le ṣe iwọn dipo Rel. |
Ibeere idanwo
Akopọ kemikali:
Na, Lile, Mimu, Squash, Titẹ, Idanwo Ultrasonic, Eddy lọwọlọwọ, iwari, Wiwa jo, Galvanized