Inkampani Shandong Weichuan Metal Prodducts Co., Ltd.

Q345C izinga lokushisa eliphansi ipayipi lensimbi indawo yangempela

Incazelo emfushane:

I-Q345C ipayipi yensimbi engenamthungo iqhathaniswa ne-Q345A kanye ne-B. Ukuhlolwa komthelela wokushisa okuphansi kunokushisa okuphansi nokusebenza kahle. Isilinganiso sika-P kanye no-s aqukethe izinto eziyingozi ku-Q345A, Umehluko phakathi kwe-Q345A, Q345B kanye ne-Q345C


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Inkomba yokusebenza kukamishini (%)

Ubude bodonga lwebanga lebanga mm ubude δ 5 ≥%% amandla esivuno δ S (MPA ≥) izinga lokushisa lokuhlola ℃

Q345A ≤ 16 21 345 ayidingeki

Q345B ≤16 21 345 20

Q345C 16-35 22 ≥325 0

Q345C low temperature seamless steel pipe manufacturer's warranty

Ukwakheka kwamakhemikhali

IBanga C Si Mn PSV NB Al Ti

Q345A ≤0.20 ≤0.55 ≤1.70 ≤0.045 ≤0.045 0.02-0.15 0.015-0.060 0.02-0.20

Q345B ≤0.20 ≤0.55 ≤1.70 ≤0.040 ≤0.040 0.02-0.15 0.015-0.060 0.02-0.20

Q345C ≤0.20 ≤0.55 ≤1.70 ≤0.035 ≤0.035 0.02-0.15 0.015-0.060 ≥0.015 0.02-0.20

Ikakhulukazi ngenxa yokuqukethwe okuhlukile kwekhabhoni ne-manganese:

Q235-A

Okuqukethwe kwekhabhoni C: 0.14 ~ 0.22; Mn: 0,30 ~ 0,65;

Q235-B

Okuqukethwe kwekhabhoni C: 0.12 ~ 0.20; UMn: 0,30 ~ 0,70;

Isetshenziswa ezingxenyeni ze-carburized noma ze-cyanide ezinezidingo zamandla aphansi, njengenduku yokudonsa, induku yokuxhuma, ihuku, ibhawudi, i-shaft kanye nokushisela.

Kufanele kube nemikhawulo ekushiseni!

Ikakhulu, i-Q345E. Amashumi amadigri ngaphansi kweziro.

Ngaphezu kwalokho, uma kuqhathaniswa nezinga elidala, imfuneko esobala kakhulu yezinga elisha ukulungisa okuqukethwe kwe-Mn ensimbi kusuka ku-1.0-1.60 kuya ku-≤ 1.70, futhi kukhansele umkhawulo wenani eliphansi lika-≥ 1.0.

I-Q345C ipayipi lensimbi ingenye yezinto zepayipi lensimbi.

I-Q345A, Q345B, Q345C, Q345D kanye ne-Q345E amamaki ekhwalithi. Ayanda ukusuka ku-a kuye ku-e, ikakhulukazi ngenxa yomehluko wokushisa okunomthelela obangelwa okuqukethwe okuhlukene kwezinto ezincane ezifana ne-phosphorus nesibabule, okubonisa umehluko kuzinga lokushisa elinomthelela kanye nezakhiwo zemishini zokwakheka kwamakhemikhali epayipi.

Q345A, awukho umthelela; Q345B, 20 ° umthelela ojwayelekile wokushisa; Q345C, 0 degree umthelela; Q345D, kuyinto - 20 degree umthelela; I-Q345E ingu-40 degree umthelela. Emazingeni okushisa omthelela ahlukene, amanani omthelela nawo ahlukile.

Q amandla okukhiqiza awekho ngaphansi kuka-345mp, futhi izinga lekhwalithi libonisa ukuthi liqukethe izakhi zokungcola (ikhabhoni, i-manganese, i-silicon, isulfure ne-phosphorus). Ingabe inani lokungcola (izakhi) ensimbi. Kamuva i-A, B, C kanye no-D, kuyancipha okuqukethwe ukungcola

I-Q345A iqukethe kokubili i-phosphorus nesibabule ngaphansi noma okulingana no-0.045%

I-Q345B iqukethe kokubili i-phosphorus nesibabule ngaphansi noma okulingana no-0.040%

I-Q345C iqukethe kokubili i-phosphorus nesibabule ngaphansi noma okulingana no-0.035%

I-Q345D iqukethe kokubili i-phosphorus nesibabule ngaphansi noma okulingana no-0.030%

I-Q345E iqukethe kokubili i-phosphorus nesibabule ngaphansi noma okulingana no-0.025%

Ukungcola kwe-phosphorus nesibabule kunsimbi, kuba kubi kakhulu ukuqina komthelela

Q345A

Q345B Akv hhayi ngaphansi kuka 34 at 20 ℃

Ku-Q345C 0 ℃, i-Akv ngeke ibe ngaphansi kuka-34

Q345D - Akv hhayi ngaphansi kuka-34 at 20 ℃

Ku-Q345E - 40 ℃, i-Akv ayikho ngaphansi kuka-27

Isizathu sokugcina ukuthi ukuncishiswa kokungcola kwe-P kanye ne-s ensimbi kukhuthaza ukuthuthukiswa kokuqina komthelela ekushiseni okuphansi. Enye iwukwakheka kwamakhemikhali e-Q345 kanti enye yimishini ye-Q345

Ukwakheka kwamakhemikhali okukhethekile kwe-Q345C

C≤0.2%,Mn 1.0-1.6%,

Si ≤0.55%,

S ≤0.35%,

P ≤0.35%,

V 0.02-0.15%,

Nb 0.015-0.06%,

Ti 0.02-0.2%,

AL ≥0.015%

Izici zemishini yilezi:

Amandla okukhiqiza: ≥ 345mpa (ubukhulu bungaphansi kuka-16mm)

Amandla we-Tensile: 470-630mpa

Ubude: 22%

Amandla omthelela: ≥ 34j (izinga lokushisa lokuhlola 0 °)

180 ° ukuhlolwa kokugoba:

D = 2A (ubukhulu bungaphansi kuka-16mm)

Izakhiwo zemishini ziyi

Amandla okukhiqiza: ≥ 345mpa (ubukhulu bungaphansi kuka-16mm)

Amandla we-Tensile: 470-630mpa

Ubude: 22%

Amandla omthelela: ≥ 34j (izinga lokushisa lokuhlola 0 °)

180 ° ukuhlolwa kokugoba:

D = 2A (ubukhulu bungaphansi kuka-16mm)


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