ʻO ka maikaʻi loa aisi 4140 paipu kila

ʻO ka wehewehe pōkole:

ʻO nā paipu kila maʻemaʻe no nā kumu hoʻolālā, Nā paipu kila maʻemaʻe no nā hale mechanical ma GB/8162-2008 Standard. ʻO nā mea waiwai me ke kila kalapona kiʻekiʻe a me ke kila kila haʻahaʻa, e like me 10,20,35,45 a me Q345, Q460, Q490, 42CrMo, 35CrMo.


  • Uku:30% waiho, 70% L/C a i ʻole B/L kope a i ʻole 100% L/C ma ka ʻike
  • Ka nui o ke kauoha:1 PC
  • Hiki ke hoolako:20000 Tons Inventory of Steel Pipe
  • Ka manawa o waena o ka hoʻomaka a i ka wā pau:7-14 mau lā inā ma ka waihona, 30-45 mau lā e hana ai
  • Hoʻopili:Nalo ʻeleʻele, bevel a me ka pāpale no kēlā me kēia paipu; Pono ka OD ma lalo o 219mm e hoʻopili i ka pūʻolo, a ʻo kēlā me kēia pūʻolo ʻaʻole iʻoi aku ma mua o 2 tons.
  • Huahana Huahana

    Huahana Huahana

    Ke hoʻomau nei mākou i ka hoʻomaikaʻi ʻana i nā mea hoʻokele a me ka papahana QC e hōʻoia i hiki iā mākou ke mālama i ka waiwai nui mai ka ʻoihana hoʻokūkū ikaika no ka maikaʻi maikaʻi loa aisi 4140 alloy steel pipe, Ua hilinaʻi mākou e hana i nā hoʻokō nui i ka wā e hiki mai ana. Ke kakali nei mākou i ka lilo ʻana i hoʻokahi o kāu mea hoʻolako hilinaʻi loa.
    Ke kālele nei mākou i ka hoʻomaikaʻi ʻana i nā mea hoʻokele a me ka papahana QC e hōʻoia i hiki iā mākou ke mālama i ka waiwai nui mai ka ʻoihana hoʻokūkū ikaika no4140 paipu huila, 42crmo4 mea, EN10210 x11crmo4, Ke hahai nei kā mākou hui i nā kānāwai a me nā hana honua. Hoʻohiki mākou e kuleana no nā hoaaloha, nā mea kūʻai aku a me nā hoa āpau. Makemake mākou e hoʻokumu i kahi pilina lōʻihi a me ka pilina me kēlā me kēia mea kūʻai mai ka honua holoʻokoʻa ma ke kumu o nā pono like. Hoʻokipa maikaʻi mākou i nā mea kūʻai kahiko a me nā mea hou e kipa aku i kā mākou hui e kūkākūkā i ka ʻoihana.

    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

    Q390

    <0.46

    W0.48

    <0.49

    Q420

    <0.48

    <0.50

    <0.48

    <0.52

    <0,48

    Q460

    <0.53

    <0.48

    W0.55

    <0.50

    <0.55

    W0.50

    Q500

    <0.48

    <0.50

    W0.50

    Q550

    <0.48

    .一

    <0.50

    <0.50

    Q62O

    <0.50

    <0.52

    W0.52

    Q690

    <0.50

    <0.52

    W0.52

    Waiwai Mechanical

    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
    20 —— >410 245 235 225 20
    25 >450 275 265 255 18
    35 >510 305 295 285 17
    45 2590 335 325 315 14
    20Mn —• >450 275 265 255 20
    25Mn >490 295 285 275 18
    Q345 A 470—630 345 325 295 20
    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

    Huahana Huahana

    Paipu Mechanical/Chemical&Fertilizer


    GB/T 8162-2008


    ASTM A519-2006


    BS EN 10210-1-2006


    ASTM A53/A53M-2012


    GB 9948-2006


    GB 6479-2013


    GB/T 17396-2009


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