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2019 dị elu China S235 Structural Hot Rolled Seamless Carbon Steel Pipe

2019 China S235 Structural Structural Hot Rolled Seamless Carbon Steel Pipe Featrated Image
  • 2019 dị elu China S235 Structural Hot Rolled Seamless Carbon Steel Pipe
  • 2019 dị elu China S235 Structural Hot Rolled Seamless Carbon Steel Pipe
  • 2019 dị elu China S235 Structural Hot Rolled Seamless Carbon Steel Pipe

Nkọwa dị mkpirikpi:

Igwe anaghị agba nchara maka ebumnuche nhazi, tubes igwe anaghị agba nchara maka ihe arụrụ arụ na GB/8162-2008 Standard. ihe na-agụnye High-edu carbon ígwè na ala alloy ígwè, dị ka 10,20,35,45 na Q345,Q460,Q490,42CrMo,35CrMo.


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    Nkọwa ngwaahịa

    Mkpado ngwaahịa

    Ụlọ ọrụ anyị nke ọma na njikwa mma mara mma n'oge niile nke mmepụta ihe na-enyere anyị aka ikwe nkwa afọ ojuju ndị na-azụ ahịa.Carbon enweghị nkebi Steel Pipe, bughi ígwè anwụrụ, bughi ọkpọkọ, Igwe anaghị agba nchara China, Ụlọ ọrụ anyị ji obi ụtọ na-akpọ ndị ahịa anụ ụlọ na ndị si mba ọzọ ka ha bịa na-akpakọrịta azụmahịa na anyị. Ka anyị jikọọ aka mepụta ọmarịcha echi! Anyị na-atụ anya iji ezi obi na-akwado gị iji nweta ọnọdụ mmeri. Anyị na-ekwe nkwa ịgbalị ike anyị niile iji nye gị ọrụ dị elu na nke dị mma.

    Nchịkọta

    Ngwa

    A na-eji ya eme ihe n'ụdị carbon Structural Steel, Alloy Structural Steel na n'ibu.

    Isi ọkwa

    Ọkwa nke Carbon Structural Steel: 10,20,35, 45,Q345,Q460,Q490,Q620,, wdg

    Ọkwa nke Alloy Structural Steel: 42CrMo, 35CrMo, wdg

    Ngwakọta kemịkalụ

    Ọkwa ígwè

    Ogo ogo

    Ngwakọta kemịkalụ

    C

    Si

    Mn

    P

    S

    Nb

    V

    Ti

    Cr

    Ni

    Cu

    Nd

    Mo

    B

    Als"

    ọ dịghị ukwuu karịa

    ọ bụghị ihe na-erughị
    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.Na mgbakwunye na akara Q345A na Q345B, nchara kwesịrị ịnwe opekata mpe otu n'ime ọka ọka a nụchara anụcha Al, Nb, V, na Ti. Dị ka mkpa si dị, onye na-ebubata ya nwere ike ịgbakwunye otu ma ọ bụ karịa ọka ọka a nụchara anụcha. Ọnụ ahịa kacha elu ga-abụ dị ka akọwapụtara na tebụl. Mgbe ejikọtara, Nb + V + Ti adịghị karịa 0.22%b. Maka akara ule Q345, Q390, Q420 na Q46O, Mo + Cr adịghị elu karịa 0.30%c. Mgbe ejiri Cr na Ni nke ọkwa ọ bụla dị ka ihe fọdụrụnụ, ọdịnaya nke Cr na Ni ekwesịghị ịkarị 0.30%; mgbe ọ dị mkpa ịgbakwunye, ọdịnaya kwesịrị izute ihe ndị a chọrọ na tebụl ma ọ bụ kpebisie ike site na onye na-eweta ya na onye zụrụ ya site na nyocha.d. Ọ bụrụ na onye na-eweta ya nwere ike hụ na ọdịnaya nitrogen na-emezu ihe achọrọ na tebụl, a gaghị eme nyocha ọdịnaya nitrogen. Ọ bụrụ na Al, Nb, V, Ti na ihe ndị ọzọ alloy na nitrogen fixation na-agbakwunyere na ígwè, ihe nitrogen anaghị ejedebe. Ekwesịrị ịkọwa ọdịnaya ndozi nitrogen na asambodo mma.e. Mgbe ị na-eji aluminom zuru oke, mkpokọta aluminom Alt ≥ 0020%.

    Ọkwa

    Carbon dakọtara CEV (irighiri oke) /%

    Ọkpụrụkpụ mgbidi ọnụ s≤ 16mm

    Ọkpụrụkpụ mgbidi ọnụ S2>16mm〜30mm

    Ọnụ mgbidi ọkpụrụkpụ S>30mm

    Na-ekpo ọkụ akpọrepu ma ọ bụ nke a na-ahazi

    Na-ewe iwe ọkụ

    Na-ekpo ọkụ akpọrepu ma ọ bụ na-ahazi

    Na-ewe iwe ọkụ

    Na-ekpo ọkụ akpọrepu ma ọ bụ na-ahazi

    Na-ewe iwe ọkụ
    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

    Ngwongwo igwe

    Ihe eji arụ ọrụ nke igwe arụrụ arụ carbon nchara dị elu yana ọkpọkọ nchara siri ike dị ala.

    Ọkwa Ogo ogo Mpụta Ike Lower mkpụrụ ike Elongation mgbe agbajisịrị Nnwale mmetụta
    Ọkpụrụkpụ mgbidi ọnụ okpomọkụ Na-aṅụ ike
    <16 mm > 16 mm. 〉30 mm
    30 mm
    ọ bụghị ihe na-erughị ọ bụghị ihe na-erughị
    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 - -
    20 nde -• > 450 275 265 255 20 - 一
    25 nde - > 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 Njirimara nke alloy ígwè ọkpọkọ

    NO Ọkwa Usoro ọgwụgwọ okpomọkụ akwadoro Njirimara tensile Ọkụ nchara agbachapụrụ ma ọ bụ dị elu okpomọkụ dị ọkụ, ọnọdụ nnyefe Brinell siri ike HBW
    Na-emenyụ (normalizing) Iwe iwe Mpụta IkeMPa Ike Tensile MPa Ntughari ka emebie A%
    okpomọkụ jụrụ oyi Okpomọkụ jụrụ oyi
    Mbụ Nke abụọ ọ bụghị ihe na-erughị ọ dịghị ukwuu karịa
    1 40Mn2 840 Mmiri, mmanụ 540 Mmiri, mmanụ 885 735 12 217
    2 45Mn2 840 Mmiri, mmanụ 550 Mmiri, mmanụ 885 735 10 217
    3 27 Simn 920 Mmiri 450 Mmiri, mmanụ 980 835 12 217
    4 40MnBC 850 mmanụ 500 Mmiri, mmanụ 980 785 10 207
    5 45MnBC 840 mmanụ 500 Mmiri, mmanụ 1 030 835 9 217
    6 20Mn2BC'f 880 mmanụ 200 Mmiri, ikuku 980 785 10 187
    7 20CrdJ 880 800 Mmiri, mmanụ 200 Mmiri, ikuku 835 540 10 179
    785 490 10 179
    8 30Cr 860 mmanụ 500 Mmiri, mmanụ 885 685 11 187
    9 35Cr 860 mmanụ 500 Mmiri, mmanụ 930 735 11 207
    10 40Cr 850 mmanụ 520 Mmiri, mmanụ 980 785 9 207
    11 45Cr 840 mmanụ 520 Mmiri, mmanụ 1 030 835 9 217
    12 50Cr 830 mmanụ 520 Mmiri, mmanụ 1080 930 9 229
    13 38CrSi 900 mmanụ 600 Mmiri, mmanụ 980 835 12 255
    14 20CrModJ 880 Mmiri, mmanụ 500 Mmiri, mmanụ 885 685 11 197
    845 635 12 197
    15 35CrMo 850 mmanụ 550 Mmiri, mmanụ 980 835 12 229
    16 42CrMo 850 mmanụ 560 Mmiri, mmanụ 1080 930 12 217
    17 38CrMoAld 940 Mmiri, mmanụ 640 Mmiri, mmanụ 980 835 12 229
    930 785 14 229
    18 50CrVA 860 mmanụ 500 Mmiri, mmanụ 1 275 1 130 10 255
    19 2OCrMn 850 mmanụ 200 Mmiri, ikuku 930 735 10 187
    20 20CrMnSif 880 mmanụ 480 Mmiri, mmanụ 785 635 12 207
    21 3OCrMnSif 880 mmanụ 520 Mmiri, mmanụ 1080 885 8 229
    980 835 10 229
    22 35CrMnSiA£ 880 mmanụ 230 Mmiri, ikuku 1 620 9 229
    23 20CrMnTie-f 880 870 mmanụ 200 Mmiri, ikuku 1080 835 10 217
    24 30CrMnTie* f 880 850 mmanụ 200 Mmiri, ikuku 1 470 9 229
    25 12CrNi2 860 780 Mmiri, mmanụ 200 Mmiri, ikuku 785 590 12 207
    26 12CrNi3 860 780 mmanụ 200 Mmiri, ikuku 930 685 11 217
    27 12Cr2Ni4 860 780 mmanụ 200 Mmiri, ikuku 1080 835 10 269
    28 40CrNiMoA 850 —— mmanụ 600 Mmiri, ikuku 980 835 12 269
    29 45CrNiMoVA 860 - mmanụ 460 mmanụ 1 470 1 325 7 269
    a. Allowable mgbanwe nso nke okpomọkụ ọgwụgwọ okpomọkụ depụtara na tebụl: quenching ± 15 ℃, ala okpomọkụ tempering ± 20 ℃, elu okpomọkụ tempering ala 50 ℃.b. N'ime ule tensile, enwere ike iwere ihe nlele transverse ma ọ bụ ogologo. Ọ bụrụ na enwere nghọtahie, a na-eji ihe nlele ogologo oge mee ihe ndabere maka mkpezi ikpe.c. Enwere ike ịhazi ígwè nwere boron tupu emenyụ, na ọnọdụ okpomọkụ ekwesịghị ịdị elu karịa okpomọkụ na-emenyụ ya.d. Nnyefe dị ka usoro data akọwapụtara nke onye chọrọ. Mgbe onye na-achọghị akọwapụtaghị, enwere ike ịnyefe dịka data ọ bụla siri dị.

    e. Nke mbụ quenching nke titanium ígwè na Ming Meng nwere ike dochie anya normalize.

    f. Isothermal quenching na 280 C ~ 320 C.

    g. N'ime ule tensile, ọ bụrụ na enweghị ike tụọ Rel, enwere ike tụọ Rp0.2 kama Rel.

     

    Achọrọ nnwale

    Ngwakọta kemịkalụ:

    Mgbatị, isi ike, Ujo, Skwọsh, na-ehulata, Ultrasonic ule, Eddy ugbu a, nchọpụta, Leak nchọpụta, Galvanized

    Nkọwa ngwaahịa

    Igwe igwe/Chemical&Fatịlaịza ọkpọkọ


    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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