Paipu kila kila kila
Hoʻokuʻu aku kā mākou hui i nā paipu kila kila,ʻO Kina, Pipa Seamless, Nā paipu kūkulu Kina, paipu kila ʻole, paipu kūkulu hale. ʻO ka mea Q345B kahi ʻano paipu kila.
ʻO Q345 kahi ʻano mea kila. He kila kalapona ia (c<0.2%) me ka hana holoʻokoʻa maikaʻi, maikaʻi haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa, hana hoʻoheheʻe anu, hana kuʻi ʻana a me ka machinability. Hoʻohana nui ʻia ia i nā alahaka, nā kaʻa, nā moku, nā hale, nā moku kaomi, a me nā mea ʻē aʻe. Q hōʻike i ka hua o kēia mea, a ʻo ka 345 hope e pili ana i ka waiwai o kēia mea, aia ma kahi o 345MPa. A i ka piʻi ʻana o ka mānoanoa o ka mea, e emi ana kona waiwai.
Ka ikaika hana:≤16mm:ʻoi aku ma mua o 345, 16-40mm: ʻoi aku ma mua o 335, 40-63mm: ʻoi aku ma mua o 325, 63-80mm: ʻoi aku ma mua o 315, 80-100m: ʻoi aku ma mua o 305, 100-150mm: ʻoi aku ma mua o 285, 150-200mm: ʻoi aku 275.
Ka ikaika tensile: 450-630.
Elongation: ʻoi aku ma mua o 17.
Ho'āʻo hopena: Ka wela hoʻāʻo: 20°C: ʻoi aku ma mua o 34.
Kūlana hoʻokō
1. Seamless kila paipu no ka hale (GB / T8162-2008) hepaipu kila ʻoleno ka hana maʻamau a me ka hana mechanical.
2. ʻO ka paipu kila maʻemaʻe no ka laweʻana i ka wai (GB / T8163-2008) he paipu kila maʻamau i hoʻohanaʻia no ka laweʻana i ka wai, kaʻaila, ke kinoea a me nā wai'ē aʻe.
3. ʻO nā paipu kila maʻemaʻe ʻole no nā paila haʻahaʻa a me ka haʻahaʻa haʻahaʻa (GB3087-2008) he kiʻekiʻe kiʻekiʻe ka carbon structural steel pipe heat i hoʻohana ʻia no ka hana ʻana i nā paipu mahu superheated, nā paipu wai paila no nā paila haʻahaʻa a me waena o nā hale like ʻole, a me nā paipu mahu a me nā paipu. nā paipu pōhaku lepo no nā paila locomotive. ʻO nā paipu kila maʻemaʻe ʻole i ʻōwili ʻia a huki anu anuanu.
4. ʻO nā paipu kila maʻemaʻe no nā paila kīʻaha kiʻekiʻe (GB5310-2008) he kiʻekiʻe kiʻekiʻe o ke kila kalapona, ke kila kila a me ke kila kila kila maikaʻi ʻole no ka ʻili hoʻomehana o nā paila wai me ka piʻi kiʻekiʻe a ma luna.
Nānā nui
Palapala noi
Hoʻohana nui ʻia ia e hana i ke kila kila kila, ke kila kila kila a me nā hale mechanical.
Papa Nui
Papa o Carbon Structural Steel: 10,20,35, 45,Q345,Q460,Q490,Q620,,Etc
Papa o Alloy Structural Steel: 42CrMo, 35CrMo, Etc
Mea Kimia
Papa kila | pae maikaʻi | haku mele ʻana | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als” | ||
aole i oi aku mamua o | aole emi iho | |||||||||||||||
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.Ma waho aʻe o nā māka Q345A a me Q345B, pono e loaʻa i ke kila ma kahi liʻiliʻi o hoʻokahi o nā mea ʻai i hoʻomaʻemaʻe ʻia ʻo Al, Nb, V, a me Ti. E like me nā mea e pono ai, hiki i ka mea hoʻolako ke hoʻohui i hoʻokahi a ʻoi aʻe paha nā mea ʻai i hoʻomaʻemaʻe ʻia. E like me ka mea i kuhikuhi ʻia ma ka pākaukau. Ke hui pū ʻia, ʻaʻole ʻoi aku ka Nb + V + Ti ma mua o 0.22%b. No nā māka Q345, Q390, Q420 a me Q46O, ʻaʻole ʻoi aku ka nui o Mo + Cr ma mua o 0.30%c. Ke hoʻohana ʻia ʻo Cr a me Ni o kēlā me kēia papa ma ke ʻano he koena, ʻaʻole pono e ʻoi aku ka ʻike o Cr a me Ni ma mua o 0.30%; i ka wā e pono ai e hoʻohui, pono ka ʻike e hoʻokō i nā koi i ka papaʻaina a i ʻole e hoʻoholo ʻia e ka mea hoʻolako a me ka mea kūʻai aku ma o ke kūkākūkā ʻana.d. Inā hiki i ka mea hoʻolako ke hōʻoia i ka hoʻokō ʻana o ka ʻike nitrogen i nā koi i ka papaʻaina, ʻaʻole hiki ke hana ʻia ka ʻike ʻike nitrogen. Inā hoʻohui ʻia ʻo Al, Nb, V, Ti a me nā mea hoʻohui ʻē aʻe me ka hoʻoponopono nitrogen i ke kila, ʻaʻole i kaupalena ʻia ka maʻiʻo nitrogen. Pono e hōʻike ʻia ka maʻiʻo nitrogen fixation ma ka palapala hōʻoia maikaʻi.e. Ke hoʻohana nei i ka alumini piha, ʻo ka nui o ka ʻike alumini Alt ≥ 0020%. |
Papa | CEV like kalapona (pauku nui) /% | |||||
Nominal pā mānoanoa s≤ 16mm | Ka mānoanoa o ka paia S2>16 mm〜30 mm | Nominal pā mānoanoa S>30mm | ||||
Hoʻopili wela a i ʻole i hoʻohālikelike ʻia | Quenching + hoʻonāuki | Hoʻopili wela a i ʻole maʻamau | Quenching + hoʻonāuki | Hoʻopili wela a i ʻole maʻamau | Quenching + hoʻonāuki | |
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 |
Waiwai Mekani
Mechanical waiwai o kiʻekiʻe kalapona kila kila a me haʻahaʻa-alloy kiʻekiʻe-ikaika paipu kila.
Papa | pae maikaʻi | Ka ikaika hua | Haʻahaʻa hoʻohua ikaika | Elongation ma hope o ka haki ʻana | Ho'āʻo hopena | |||
Nominal pā mānoanoa | mahana wela | E hoʻopaʻa i ka ikehu | ||||||
<16 mm | >16 mm〜 | 〉30 mm | ||||||
30 mm | ||||||||
aole emi iho | aole emi iho | |||||||
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 |
Nā waiwai mīkini o nā paipu kila kila
NO | Papa | Manaʻo ʻia ka hoʻoponopono wela | Nā waiwai tensile | Paipu kila hoʻoheheʻe ʻia a i ʻole kiʻekiʻe wela E hoʻouna ʻia ʻo Brinell hardness HBW | ||||||
Quenching (hana maʻamau) | ʻO ka hoʻohenehene | Ka ikaika o ka hua MPa | Ikaika Tensile MPa | Elongation ma hope o ka haki ʻana i ka A% | ||||||
mahana wela | Mea hooluolu | Mahana | Mea hooluolu | |||||||
Frirs | Ka lua | aole emi iho | aole i oi aku mamua o | |||||||
1 | 40Mn2 | 840 | Wai, ʻaila | 540 | Wai, ʻaila | 885 | 735 | 12 | 217 | |
2 | 45Mn2 | 840 | Wai, aila | 550 | Wai, ʻaila | 885 | 735 | 10 | 217 | |
3 | 27SiMn | 920 | Wai | 450 | Wai, ʻaila | 980 | 835 | 12 | 217 | |
4 | 40MnBc | 850 | aila | 500 | Wai, ʻaila | 980 | 785 | 10 | 207 | |
5 | 45MnBc | 840 | aila | 500 | Wai, ʻaila | 1 030 | 835 | 9 | 217 | |
6 | 20Mn2Bc'f | 880 | aila | 200 | Wai, ea | 980 | 785 | 10 | 187 | |
7 | 20CrdJ | 880 | 800 | Wai, aila | 200 | Wai, ea | 835 | 540 | 10 | 179 |
785 | 490 | 10 | 179 | |||||||
8 | 30Cr | 860 | aila | 500 | Wai, ʻaila | 885 | 685 | 11 | 187 | |
9 | 35Cr | 860 | aila | 500 | Wai, ʻaila | 930 | 735 | 11 | 207 | |
10 | 40Cr | 850 | aila | 520 | Wai, ʻaila | 980 | 785 | 9 | 207 | |
11 | 45Cr | 840 | aila | 520 | Wai, ʻaila | 1 030 | 835 | 9 | 217 | |
12 | 50Cr | 830 | aila | 520 | Wai, ʻaila | 1 080 | 930 | 9 | 229 | |
13 | 38CrSi | 900 | aila | 600 | Wai, ʻaila | 980 | 835 | 12 | 255 | |
14 | 20CrModJ | 880 | Wai, aila | 500 | Wai, ʻaila | 885 | 685 | 11 | 197 | |
845 | 635 | 12 | 197 | |||||||
15 | 35CrMo | 850 | aila | 550 | Wai, ʻaila | 980 | 835 | 12 | 229 | |
16 | 42CrMo | 850 | aila | 560 | Wai, ʻaila | 1 080 | 930 | 12 | 217 | |
17 | 38CrMoAld | 940 | Wai, ʻaila | 640 | Wai, ʻaila | 980 | 835 | 12 | 229 | |
930 | 785 | 14 | 229 | |||||||
18 | 50CrVA | 860 | aila | 500 | Wai, ʻaila | 1 275 | 1 130 | 10 | 255 | |
19 | 2OCrMn | 850 | aila | 200 | wai, ea | 930 | 735 | 10 | 187 | |
20 | 20CrMnSif | 880 | aila | 480 | Wai, ʻaila | 785 | 635 | 12 | 207 | |
21 | 3OCrMnSif | 880 | aila | 520 | Wai, ʻaila | 1 080 | 885 | 8 | 229 | |
980 | 835 | 10 | 229 | |||||||
22 | 35CrMnSiA£ | 880 | aila | 230 | wai, ea | 1 620 | 9 | 229 | ||
23 | 20CrMnTie-f | 880 | 870 | aila | 200 | wai, ea | 1 080 | 835 | 10 | 217 |
24 | 30CrMnTie*f | 880 | 850 | aila | 200 | wai, ea | 1 470 | 9 | 229 | |
25 | 12CrNi2 | 860 | 780 | Wai, aila | 200 | wai, ea | 785 | 590 | 12 | 207 |
26 | 12CrNi3 | 860 | 780 | aila | 200 | wai, ea | 930 | 685 | 11 | 217 |
27 | 12Cr2Ni4 | 860 | 780 | aila | 200 | wai, ea | 1 080 | 835 | 10 | 269 |
28 | 40CrNiMoA | 850 | —— | aila | 600 | wai, ea | 980 | 835 | 12 | 269 |
29 | 45CrNiMoVA | 860 | — | aila | 460 | aila | 1 470 | 1 325 | 7 | 269 |
a. ʻAe ʻia ka hoʻololi ʻana o ka wela wela wela i helu ʻia ma ka papa ʻaina: quenching ± 15 ℃, haʻahaʻa wela wela ± 20 ℃, kiʻekiʻe wela wela wela 50 ℃.b. I ka ho'āʻo tensile, hiki ke lawe i nā laʻana transverse a longitudinal. Inā ʻaʻohe manaʻo, hoʻohana ʻia ka laʻana longitudinal i kumu no ka hoʻoponopono ʻana.c. Hiki ke hoʻomaʻamaʻa ʻia ke kila i loko o ka boron ma mua o ke kinai ʻana, a ʻaʻole pono ke kiʻekiʻe o ka mahana maʻamau ma mua o kona wela wela.d. ʻO ka hoʻouna ʻana e like me kahi hoʻonohonoho o ka ʻikepili i kuhikuhi ʻia e ka mea koi. Inā ʻaʻole i ʻōlelo ʻia ka mea noi, hiki ke hana ʻia e like me kekahi o ka ʻikepili. e. Hiki ke hoʻololi ʻia ka hoʻopau mua ʻana o ke kila titanium me Ming Meng e ka normalizing. f. ʻO ka hoʻopau ʻana i ka isothermal ma 280 C ~ 320 C. g. I ka ho'āʻo tensile, inā ʻaʻole hiki ke ana ʻia ʻo Rel, hiki ke ana ʻia ka Rp0.2 ma kahi o Rel. |
Koi hoao
Kemimi
ʻOkoʻa, ʻoʻoleʻa, Haʻalulu, Squash, Kulou, Ultrasonic Test, Eddy current, ʻike, Leak detection, Galvanized