High mma carbon structural steel, alloy structural steel na igwe anaghị agba nchara na igwe anaghị agba nchara igwe anaghị agba nchara maka ọkpọkọ ọkpọkọ uzuoku n'okpuru nnukwu nrụgide na nrụgide dị elu.

Nkọwa dị mkpirikpi:

Usoro mmepụta:

(1) General GB9948 enweghị nkebi ígwè anwụrụ okpomọkụ dị n'okpuru 450 ℃, anụ ụlọ anwụrụ bụ tumadi mere nke mba. 10, 20 carbon bonded steel ọkụ akpọrepu ọkpọkọ ma ọ bụ oyi adọta ọkpọkọ.

②GB9948 enweghị nkebi ígwè ọkpọkọ na-ejikarị na okpomọkụ dị elu na ọnọdụ nrụgide dị elu, ọkpọkọ n'okpuru ọrụ nke ọkụ ọkụ ọkụ ọkụ ọkụ na mmiri vapor, oxidation na corrosion ga-eme. A na-achọ ka ọkpọkọ ígwè ahụ nwee ike dị elu, nnukwu oxidation corrosion resistance. na ezigbo microstructure kwụsie ike.

(2) jiri:

(1) General GB9948 enweghị nkebi ọkpọkọ na-bụ iji rụpụta mmiri jụrụ mgbidi ọkpọkọ, esi mmiri ọkpọkọ, superheated uzuoku ọkpọkọ, locomotive ji esi mmiri ọkụ superheated uzuoku ọkpọkọ, nnukwu na obere anwụrụ anwụrụ anwụrụ na arch brik ọkpọkọ.

②GB9948 enweghị nkebi ígwè tube na-bụ iji rụpụta superheater tube, reheater tube, ọkpọkọ, isi uzuoku ọkpọkọ na na nke elu mgbali na ultra-high pressure ji esi mmiri ọkụ.

GB9948 enweghị nkebi ígwè tube dị ka elu okpomọkụ arụmọrụ na-ekewa n'ime izugbe ji esi mmiri ọkụ tube na elu nsogbu ji esi mmiri ọkụ tube.Ma general ji esi mmiri ọkụ tube ma ọ bụ elu nsogbu ji esi mmiri ọkụ tube nwere ike kewara n'ime iche iche ígwè tubes dị iche iche chọrọ nke ya ojiji.

Nkọwapụta na ọdịdị ọdịdị

(1) GB3087-2008 "Steel steel pipe for Low and medium pressure boiler" ndokwa. Nkọwa nke tubes ígwè maka ihe ọkụkụ dị iche iche, dayameta 10 ~ 426mm, ụdị 43 n'ozuzu ya. Enwere ụdị 29 nke mgbidi mgbidi site na 1.5 mm ruo 26mm . Otú ọ dị, n'èzí dayameta na mgbidi ọkpụrụkpụ nke superheated uzuoku ọkpọkọ, nnukwu anwụrụ anwụrụ anwụrụ, obere anwụrụ anwụrụ ọkụ na Edebere ọkpọkọ brik a na-eji na mmiri ọkụ locomotive ma ọ bụghị.

(2) GB5310-2008 "Seamless Steel Tube for High pressure boiler" ọkụ akpọrepu ọkpọkọ dayameta 22 ~ 530mm, mgbidi ọkpụrụkpụ 20 ~ 70mm. Oyi adọta (oyi akpọrepu) tube dayameta 10 ~ 108mm, mgbidi ọkpụrụkpụ 2.0 ~ 13.0mm.

(3) GB3087-2008 "nnukwu nchara nchara maka obere ọkụ ọkụ na-ekpo ọkụ" na GB5310-2008 "nchara ígwè na-adịghị edozi maka mmiri ọkụ ọkụ ọkụ". ime n'ime na elu nke ọkpọkọ ígwè. Ekwesịrị ikpochapụ ntụpọ ndị a kpamkpam. Omimi mkpochapụ agaghị agafe ihe ọjọọ. Ngbanwe nke oke mgbidi n'ọnụ, na ọkpụrụkpụ mgbidi n'ezie na mkpochapụ agaghị abụ ihe na-erughị oke opekempe enwere ike kwere.


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  • Nkọwa ngwaahịa

    Mkpado ngwaahịa

    Nchịkọta

    Ọkọlọtọ: GB9948-2006

    Otu ọkwa: 10,12CrMo,15CrMo, 07Crl9Nil0, wdg

    Ọkpụrụkpụ: 1 - 100 mm

    Dayameta dị n'èzí (Gburugburu): 10 - 1000 mm

    Ogologo: Ogologo ogologo ma ọ bụ ogologo enweghị usoro

    Ụdị ngalaba: Gburugburu

    Ebe Mmalite: China

    Asambodo: ISO9001:2008

     

    Ọgwụgwọ okpomọkụ: Annealing / normalizing / Tempering

    Dayameta dị n'èzí (Gburugburu): 10 - 1000 mm

    Ngwa: tubes mgbanwe okpomọkụ

    Ọgwụgwọ dị n'elu: Dị ka ihe ndị ahịa chọrọ

    Usoro: Hot Rolled

    Ọkụ Pụrụ Iche: Ọkụ Mgbidi

    Ojiji: ọkpọkọ mgbanwe okpomọkụ

    Nnwale:UT/MT

    Ngwa

    Igwe anaghị agba nchara maka mgbawa mmanụ ala na-adabara na ọkpọkọ igwe anaghị agba nchara maka ọkpọ ọkụ, ọkpọkọ mgbanwe okpomọkụ na ọkpọkọ nrụgide na ụlọ ọrụ petrochemical.

    High mma carbon structural ígwè akara ule bụ 20g, 20mng na 25mng.
    Alloy structural steel akara ule: 15mog, 20mog, 12cmog
    15CrMoG, 12Cr2MoG, 12CrMoVG, wdg

    Isi ọkwa

    Ọkwa nke igwe nrụpụta carbon dị elu: 10 #,20#

    High mma carbon structural ígwè akara ule: 20g, 20mng na 25mng

    Alloy structural ígwè akara ule: 15mog, 20mog, 12crmog, 15CrMoG, 12Cr2MoG, wdg

    Ngwakọta kemịkalụ

    No

    Ọkwa

    Akụkụ kemịkalụ%

    C

    Si

    Mn

    Cr

    Mo

    Ni

    Nb

    Ti

    V

    Cu

    P

    S

    Carbon structural ígwè dị elu

    10

    0. 07-0.13

    0.17-0. 37

    0.35-0.65

    <0.15

    <0.15

    <0. 25

    -

    -

    <0. 08

    <0. 20

    0.025

    0.015

    20

    0.17-0. 23

    0.17-0. 37

    0.35-0.65

    <0. 25

    <0.15

    <0. 25

    -

    -

    <0. 08

    <0. 20

    0.025

    0.015

    Alloy structural ígwè

    12CrMo

    0. 08-0.15

    0.17-0.37

    0. 40-0. 70

    0. 40-0. 70

    0. 40 -0.55

    <0. 30

    -

    -

    <0. 20

    0.025

    0.015

    15CrMo

    0.12-0.18

    0.17-0. 37

    0.40-0. 70

    0. 80-1.1

    0. 40-0.55

    <0. 30

    -

    -

    <0. 20

    0.025

    0.015

    12CrlMo

    0. 08 -0.15

    0.50-1. 00

    0. 30-0.6

    1.00-1. 50

    0.45-0.65

    <0. 30

    -

    -

    -

    <0, 20

    0.025

    0.015

    12CrlMoV

    0. 08-0.15

    0.17-0. 37

    0. 40-0. 70

    0.90-1.2

    0. 25 -0.35

    <0. 30

    -

    -

    0.15-0. 30

    <0. 20

    0.025

    0.010

    12Cr2Mo

    0.08-0.15

    <0. 50

    0. 40-0. 60

    2. 00-2. 50

    0. 90-1.13

    <0. 30

    -

    -

    <0. 20

    0.025

    0.015

    12Cr5MoI

    <0.15

    <0. 50

    0.30-0.6

    4. 00-6

    0. 45-0. 60

    <0. 60

    -

    -

    <0. 20

    0.025

    0.015

    12Cr5MoNT

    12Cr9MoI

    <0.15

    0. 25-1. 00

    0. 30-0. 60

    8.00-10. 00

    0. 90-1.1

    <0. 60

    -

    -

    -

    <0. 20

    0.025

    0, 015

    12Cr9MoNT

    Igwe anaghị agba nchara na-eguzogide okpomọkụ

    07Crl9Nil0

    0. 04-0.1

    <1. 00

    <2. 00

    18. 00-20. 00

    -

    8. 00-11

    -

    -

    -

    -

    0.030

    0.015

    07Crl8NillNb

    0. 04-0.1

    <1. 00

    <2. 00

    17. 00-19. 00

    -

    9.00-12. 00

    8C-1.1

    -

    -

    -

    0.030

    0.015

    07Crl9NillTi

    0. 04-0.1

    <0. 75

    <2. 00

    17.00-20. 00

    -

    9. 00-13. 00

    -

    4C-0. 60

    0.03

    0.015

    022Crl7Nil2Mo2

    <0. 030

    <1. 00

    <2. 00

    16. 00-18. 00

    2. 00-3. 00

    10.00 -14. 00

    -

    -

    0.03

    0.015

    Ngwongwo igwe

    Mba Mgbatị
    MPa
    Mmụba
    MPa
    Na-agbatị mgbe agbajiri agbaji A/% Ike mbịara mbịambịa kv2/j Nọmba hardness brinell
    Eserese transver Eserese transver
    ọ bụghị ihe na-erughị ọ bụghị karịa
    10 335-475 205 25 23 40 27
    20 410-550 245 24 22 40 27
    12CrMo 410-560 205 21 19 40 27 156 HBW
    15CrMo 440-640 295 21 19 40 27 170 HBW
    12CrlMo 415-560 205 22 20 40 27 163 HBW
    12CrlMoV 470-640 255 21 19 40 27 179 HBW
    12Cr2Mo 450-600 280 22 20 40 27 163 HBW
    12Cr5MoI 415-590 205 22 20 40 27 163 HBW
    12Cr5MoNT 480-640 280 20 18 40 27 -
    12Cr9MoI 460-640 210 20 18 40 27 179 HBW
    12Cr9MoNT 590-740 390 18 16 40 27
    O7Crl9Nilo 2520 205 35 187 HBW
    07Crl8NillNb >520 205 35 - 187 HBW
    07Crl9NillTi >520 205 35 - - 187 HBW
    022Crl7Nil2Mo2 > 485 170 35 - 187 HBW
    N'ihi na ígwè na mgbidi ọkpụrụkpụ na-erughị 5mm tube emela ike siri ike nnwale

    Achọrọ nnwale

    Nnwale hydraulic
    A ga-eme ule hydraulic maka ọkpọkọ ígwè n'otu n'otu. Nrụgide ule kachasị bụ 20 MPa. N'okpuru nrụgide ule, oge nkwụsi ike agaghị abụ ihe na-erughị 10 s, a naghị anabata nkwụsị nke ọkpọkọ ígwè.
    Nnwale ire ụtọ
    A ga-eme ule nlegharị anya maka ọkpọkọ ígwè nwere dayameta dị n'èzí karịa 22 mm
    Nnwale ọkụ
    Carbon structural steel dị elu na igwe anaghị agba nchara (okpomọkụ na-eguzogide) ọkpọkọ nchara na dayameta dị n'èzí nke na-erughị 76 mm na mgbidi nke na-erughị 8 mm ga-adị n'okpuru ule ịgbasa. A ga-eme ule na-enwu ọkụ na ụlọ okpomọkụ. The elu dayameta flaring ọnụego nke sample mgbe top isi taper bụ 60% nke flaring ga-ezute chọrọ nke table 7. Ọ dịghị cracks ma ọ bụ cracks na-ekwe na sample mgbe flaring. Dị ka ihe ndị chọrọ nke onye na-achọ ihe si dị ma kwuo na nkwekọrịta ahụ, a pụkwara iji ígwè nhazi nke alloy mee ihe maka ịgbasa ule.
    teste adịghị emebi emebi
    Ọkpụkpụ ígwè ga-adị n'okpuru nchọpụta ntụpọ ultrasonic n'otu n'otu dị ka usoro GB / T 5777-2008 si dị. Dị ka ihe ndị chọrọ chọrọ, enwere ike ịgbakwunye ule ndị ọzọ na-adịghị emebi emebi mgbe mkparịta ụka dị n'etiti onye na-ebubata ya na onye na-achọ ya ma gosipụta ya na nkwekọrịta.
    Nnwale corrosion intergranular
    A ga-eme ule corrosion intergranular maka ọkpọkọ igwe anaghị agba nchara (ọkụ na-eguzogide). Usoro nnwale ahụ ga-adị n'usoro iwu nke Chinese E na GB / T 4334-2008, a naghị anabata ọdịdị corrosion intergranular mgbe ule ahụ gasịrị.
    Mgbe mkparịta ụka dị n'etiti onye na-ebubata ya na onye na-achọ ya, ma depụta ya na nkwekọrịta ahụ, onye na-achọ ya nwere ike ịkọwapụta ụzọ ule corrosion ndị ọzọ.

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