Astm a139 bir bir ah
Soo bandhigida S255 J0 J0 g0 gital bir ah oo bir ah - xalka loo yaqaan 'a aile' oo loogu talagalay in lagu buuxiyo baahiyaha kaladuwan ee warshadaha casriga ah. Waxaa lagu soo saaray warshadda farshaxanka-casriga ah ee ku taal Gobolka Cangzhou City, gobolka Hebei, Shirkadeena ayaa hoggaamiye ku ahayd wax soo saarka birta ah ilaa iyo sanadkii 1950,000 mitir oo laba jibaaran oo leh hantida RMB 680 milyan . Waxaan ku faraxsanahay inaan helno shaqaale heegan oo ka mid ah 680 xirfadlayaal xirfad leh oo loo qoondeeyay inay bixiyaan wax soo saarka tayo sare leh.
Mid ka mid ah astaamaha ugu sarreeya ee S235 J0 ee tuubbada birta ah ee steel waa dabacsanaanteeda cajiibka ah ee dhexroor iyo tilmaanta dhumucda darbiga. Laqabsashadaani waxay noo oggolaaneysaa inaan la kulanno shuruudaha wax soo saarka ee kala duwan, gaar ahaan soo saarista tuubooyinka qaro-sare ee-sare ee-sare. Haddii aad u baahan tahay tuubo loogu talagalay dhismaha, saliida iyo gaaska, ama codsiyada kale ee warshadaha, S255 J0 ee J0 ayaa injineer ah si loo kulmo adagASTM A139Heerarka tubbada birta si loo hubiyo isku halaynta iyo waxqabadka xitaa bay'adaha ugu baahida badan.
Balangeyntayaga tayada iyo hal-abuurka ayaa micnaheedu yahay qayb kasta oo ah s235 j0 j0 J0 pirial bir ah oo adag Khibraddeena ballaaran iyo khibraddeena, waxaa naga go'an inaan siino macaamiisheenna xalka ugu fiican ee loogu talagalay in lagu buuxiyo baahiyahooda gaarka ah.
Wax karasho soosaar ah
Fasalka birta | xoogga ugu yar Markhaati | Awooda TSensile | Ugu yaraan dhererka % | Tamarta saameynta ugu yar J | ||||
Dhumuc cayiman mm | Dhumuc cayiman mm | Dhumuc cayiman mm | heerkulka tijaabada ee | |||||
<16 | > 16 boqolkiiba | <3 | ≥30 | ≤40 | -20 ℃ | 0 ℃ | 20 ℃ | |
S235jrh | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
S275j0h | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
S275j2h | 27 | - | - | |||||
S355j0h | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
S355j2h | 27 | - | - | |||||
S355k2h | 40 | - | - |
Ka kooban kiimikada
Fasalka birta | Nooca de-oc-ka a | % cufnaanta, ugu badnaan | ||||||
Magaca steel | Lambarka birta | C | C | Si | Mn | P | S | Nb |
S235jrh | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
S275j0h | 1.0149 | FF | 0,20 | - | 1,50 | 0,035 | 0,035 | 0,009 |
S275j2h | 1.0138 | FF | 0,20 | - | 1,50 | 0,030 | 0,030 | - |
S355j0h | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
S355j2h | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
S355k2h | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
a. Habka daahsoon ayaa loo qoondeeyay sida soo socota: FF: Birta si buuxda u dhintey walxaha ku xeel dheer ee qaddar ku filan oo lagu xidho nitrogen-ka la heli karo (tus. 0,020% guud ahaan al-0 .b. Qiimaha ugu badan ee nitrogen ma quseeyo hadii ka kooban kiimikada ay muujiso ugu yaraan maadooyinka ugu yar ee ah 0,020% iyadoo ugu yar ee al / n cabirkiisu yahay 2: 1, ama haddii ay ku filan yihiin waxyaabo kale oo ku filan oo kale. Waxyaabaha n-majaajillada ah waa in lagu diiwaangeliyaa dukumintiga kormeerka. |
Faa'iidada wax soo saarka
1. Mid ka mid ah faa'iidooyinka ugu waaweyn ee ASTM A139 Birta birta birta waa dabacsanaantiisa dhexroor iyo tilmaanta dhumucda qaro weyn. Laqabsashadaani waxay u oggolaaneysaa soo-saareyaasha soosaarayaasha inay soo saaraan tuubooyin cabbirro kala duwan ah si ay u buuxiyaan shuruudaha mashruuca kala duwan.
2. Awoodda wax soo saarka ee shirkad sida annaga oo kale ah, oo ku yaal Gobolka Cangzhou, Gobolka Heidha, wuxuu kor u qaadey faa'iidooyinka ASTM A139.
3. Waxaa la aasaasay 1993, warshadeenu wuxuu daboolayaa aag dhan 350,000 mitir oo laba jibbaaran, waxay leedahay hantida guud ee RMB 680 milyan, waxayna shaqaalaysaa 680 shaqaale xirfad leh. Kaabayaashan ballaadhan ayaa noo suurageliya inaan la kulanno baahiyo fara badan oo macaamiil ah inta aan sii wadno heerarka wax soo saarka sare.
Wax soosaarka wax soo saarka
1. ASTM-ga AS139 Jaangooyada ayaa laga yaabaa inuusan daboolin dhammaan shuruudaha gaarka ah ee codsiyada qaarkood, taasoo dhalisay in wax laga yaabo in waxqabadka xadidan ee xaaladaha daran.
2. Nidaamka wax soo saarka ayaa laga yaabaa inuu ka dhaco wax ka sii murugsan karo oo ka qaalisan yahay heerarka kale, kaas oo saameyn ku yeelan kara qiimaha iyo helitaanka.
Saamayn
S235 J0 J0 Pipe blue tyl wuxuu si gaar ah uga faa'iideystaa soo-saareyaasha sababtuna tahay la-qabsiga awgeed. Awoodda lagu habeeyo Diyaariyadaha iyo dhumucda darbiga ayaa u oggolaanaya soo saaridda lacagta khidmadda, tuubada qaro weyn leh ee buuxisa shuruudaha mashruuca gaarka ah. Dabacsanaantaan oo keliya ma kordhineyso oo keliya wax soo saarka wax soo saarka, laakiin sidoo kale waxay xaqiijineysaa in sheyga ugu dambeeya uu u adkeysan karo xaalado kala duwan oo deegaanka ah iyo cadaadisyo kala duwan, taasoo ka dhigeysa mid ka mid ah codsiyo fara badan.
Warshaddayadu waxay ku taalaa Cangzhou, gobolka Hebei, wuxuuna fure u ahaa warshadaha birta tan iyo markii la aasaasay 350,000 mitir oo laba jibbaaran, oo ay wadaan hantida RMB 680 milyan, oo ay shaqaaleysiiyaan 680 xirfad leh shaqaalaha. Kaabayaasha xoogan ee noocan ahi waxay noo suurtogelisaa inay soo saaraan tuubooyin bir ah oo tayo sare leh oo la kulma astm heerar a139, hubinta in badeecadeena ay la kulmaan shuruudaha adag ee macaamiisheena.
ASTM A139tuubbada birtaHeerka ayaa saameyn weyn ku leh soo saarista S235 J0 J0 J0 g0 girial bir ah, hagaajinta wax soo saarka wax soo saarka iyo tayada wax soo saarka. Sida aan u sii wadno hal-abuurnimada oo aan ballaarinno awoodayaga, waxaan ka go'an nahay inaan bixino xalal bir ah oo ka sarreeya xalka saliidda ee buuxiya baahiyaha isbedelka warshadaha.
Warqad maqas
Q1: Waa maxay ASTM A139?
ASTM A139 waa qeexitaan caadi ah oo qeexaya shuruudaha loo yaqaan tuubbada birta ee loo yaqaan 'aded bird'. Tuubooyinkaani waxaa sida caadiga ah loo adeegsadaa codsiyada cadaadiska hooseeya waxaana lagu yaqaanaa xooggooda iyo cimrigooda. Heerka wuxuu hubiyaa in tuubooyinku ay la kulmaan guryaha farsamada ee gaarka ah iyo halabuurka kiimikada, iyaga oo ka dhigaya ku habboon adeegsiga warshadaha kala duwan.
Q2.
Mid ka mid ah faa'iidooyinka ugu weyn ee S235 J0 J0 Pipe bpe waa dabacsanaantiisa dhexroor dhexroor iyo tilmaanta dhumucda darbiga. Laqabsashadaani waxay u oggolaaneysaa soo-saareyaasha soosaarayaasha inay soo saaraan darajo-heer sare, oo aad u adkeysan kara cadaadiska isku-dhafka ah iyo culeyska culeyska. Awoodda lagu habeeyo faahfaahintan ayaa S235 J0 tuubada ugu fiican ee mashaariicda u baahan cabirro iyo xoog gaar ah.