Iyo kambani Shandong Weichuan Metal Prodducts Co., Ltd.

S355j2h isina musono simbi pombi inogadzira waranti yekutengesa

Tsanangudzo Pfupi:

S355J2 iEuropean standard inopisa-yakakungurutswa structural simbi chigadzirwa. Zvimwe zvinhu zviri munhevedzano imwechete, senge s355jo, nezvimwe.


Product Detail

Product Tags

Tsanangudzo

S355J2 ichaenderana ne en10025-2:2004 (Yekare mwero (en10025:1990)

C: ≤0.22; Si: ≤0.55; Mn: ≤1.60; P: ≤0.025; S: ≤0.025; Cu: ≤0.55;

-20℃: ≥27.

(Mpa): ≤16mm: ≥355: 16—40: ≥345; 40—63: ≥335; 63—80: ≥325;

80—100: ≥315; 100—150: 295; 150—200: ≥285; 200—250: ≥275; 250—400:≥265.

S355j2h seamless steel pipe manufacturer warranty sales

Kupisa kutenderera, kudzorwa kutenderedza, normalizing, nezvimwe.

S355jo iEuropean standard inopisa yakakungurutswa yakarongeka simbi chigadzirwa.

S355jo inoshandisa mwero en10025-2:2004 (Old standard (en10025:1990)
Iyo yekudzima tembiricha yepasi-tembiricha simbi pombi ndeye A3 + (30 ~ 50) ℃. Mukuita, muganhu wepamusoro unowanzotorwa. Yepamusoro yekudzimisa tembiricha inogona kumhanyisa kumhanya kwekudziya kwepasi-tembiricha simbi pombi, kuderedza pamusoro oxidation uye kunatsiridza kushanda zvakanaka. Kuti uite homogenize iyo austenite yebasa rekushanda, nguva yakakwana yekubata inodiwa. Kana iyo chaiyo yekurodha yevira yakakura, nguva yekubata inoda kuwedzerwa zvakakodzera. Zvikasadaro, kusakwana kuoma kunogona kuitika nekuda kwekudziya kusina kuenzana. Nekudaro, kana iyo nguva yekubata yakarebesa, iyo yakashata yegorosi yakakasharara uye yakakomba oxidation decarburization ichaonekwa zvakare, izvo zvinokanganisa kunaka kwekudzima. Isu tinotenda kuti kana mari yekuchaja yakakura kupfuura iyo yakatsanangurwa mugwaro rekuita, nguva yekudziya uye yekubata inoda kuwedzerwa ne1/5.

Nekuda kwekuoma kwepombi yesimbi yepasi-tembiricha yakadzikira, 10% brine solution ine mwero wekutonhora wakakwira uchashandiswa. Iyo workpiece inofanira kudzimwa zvakakwana mushure mekupinda mumvura, asi kwete kutonhora zvakakwana. Kana 45# precision simbi pombi yakanyatsotonhorera mumvura ine munyu, workpiece inogona kutsemuka, izvo zvinokonzerwa nekukurumidza kushandurwa kwe austenite kuita martensite kana workpiece yatonhodzwa kusvika pa180 ℃, zvichikonzera kushushikana kwakanyanya kwechimiro. Naizvozvo, kana iyo yakadzimwa yakadzika-tembiricha yesimbi pombi inokurumidza kutonhora kunzvimbo ino yekushisa, inononoka kutonhora nzira inofanira kutorwa. Sezvo tembiricha yekubuda kwemvura yakaoma kugona, inofanirwa kushandirwa neruzivo. Kana kuzununguswa kweworkpiece mumvura kunomira, iyo yekubuda mvura inogona kunge yakanyoroveswa nemhepo (kutonhora kwemafuta kuri nani). Mukuwedzera, iyo workpiece inofanira kufamba kwete kumira kana ichipinda mumvura, uye ita nguva dzose kufamba maererano nejometri ye workpiece. Static kutonhora yepakati uye static workpiece inotungamira kune kusaenzana kuomarara uye kushushikana, zvichikonzera deformation yakakura uye kunyangwe kutsemuka kweworkpiece.

Iyo yakadzima kuomarara kwepasi-tembiricha simbi pombi yakadzimwa uye yakadzikama zvikamu zvinofanirwa kusvika hrc56 ~ 59, uye mukana wechikamu chikuru wakaderera, asi haufanirwe kunge wakaderera pane hrc48. Zvikasadaro, zvinoreva kuti workpiece haina kudzimwa zvachose, uye sorbite kana kunyange ferrite chimiro chinogona kuoneka muchimiro. Ichi chimiro chichiri kuchengetwa mumatrix kuburikidza nekupisa, izvo zvisingakwanisi kuzadzisa chinangwa chekudzima uye kupisa.

Nekupisa kwepamusoro-tembiricha yepombi yesimbi yakadzika mushure mekudzima, tembiricha yekudziya inowanzosvika 560 ~ 600 ℃, uye kuomarara kunodiwa hrc22 ~ 34. Nekuti chinangwa chekudzima uye kupisa ndechekuwana yakazara ma mechanical properties, kuoma. range rakafara. Nekudaro, kana iyo dhizaini iine kuoma zvinodiwa, tembiricha yekudziya inogadziriswa zvinoenderana nezvinodiwa zvekudhirowa kuti ive nechokwadi chekuoma. Semuyenzaniso, imwe shaft yakaderera-tembiricha simbi mapaipi anoda simba yakakwirira uye yakakwirira kuoma; Kune mamwe magiya uye shaft zvikamu zvine keyway, kuomarara zvinodiwa zvakaderera nekuti zvinofanirwa kugayiwa nekupinzwa mushure mekudzima nekudziya. Iyo tempering inobata nguva inoenderana nekuomarara zvinodiwa uye saizi yeworkpiece. Isu tinotenda kuti kuoma mushure mekupisa kunoenderana nekupisa kwekushisa uye hakunei nechekuita nenguva yekupisa, asi kunofanirwa kupinzwa zvakare. Kazhinji, nguva yekubata yekupisa yeworkpiece inopfuura awa imwe.


  • Zvakapfuura:
  • Zvinotevera:

  • Related Products