Rangwamen Jumla ASTM/ASME SA179 SA192 Cold Rolled Hot Dipped Galvanized/Precision/Black/Carbon Steel Seamless Pipes don Boiler and Heat Exchanger
Takaitaccen Bayani:
DIN 17175 St45.8 za a iya samar da bututun ƙarfe mara nauyi ta hanyar mirgina mai zafi, mirgina mai sanyi, zafi mai zafi, zane mai zafi ko zane mai sanyi.DIN 17175 St45.8 za a iya amfani da bututun ƙarfe mara nauyi a cikin kera tukunyar jirgi, bututu, tasoshin matsa lamba da kayan aiki da ke aiki har zuwa 600 ° C da yanayin zafi.
Muna da kayan aikin zamani.Ana fitar da kayan mu zuwa Amurka, Burtaniya da sauransu, suna jin daɗin kyakkyawan matsayi tsakanin masu siye don Rangwame ASTM/ASME SA179 SA192 Cold Rolled Hot Dipped Galvanized/Precision/Black/Carbon Steel Seamless Pipes don Boiler and Heat Exchanger, Fatan Gaskiya muna tashi tare da masu siyayya a ko'ina cikin duniya.
Muna da kayan aikin zamani.Ana fitar da kayan mu zuwa Amurka, Burtaniya da sauransu, suna jin daɗin matsayi mai kyau tsakanin masu amfani da suSin galvanized Karfe bututu da galvanized Karfe Sheet bututu, Don ƙirƙirar ƙarin samfuran ƙirƙira, kula da kayayyaki masu inganci da sabunta ba kawai samfuranmu ba amma kanmu don kiyaye mu a gaban duniya, kuma na ƙarshe amma mafi mahimmanci: don sa kowane abokin ciniki gamsu da duk abin da muke samarwa da haɓakawa. karfi tare.Don zama ainihin mai nasara, farawa a nan!
Manufacturing: Tsari mara kyau.
Girman waje: 14mm-711mm.
Kaurin bango: 2mm-60mm.
Length: Tsawon kafaffen (6m, 9m, 12m, 24m) ko tsayin al'ada (5-12m).
Ƙarshe: Flat, Beveled, Tako.
Hanyar sarrafawa
DIN 17175 St45.8 za a iya samar da bututun ƙarfe mara nauyi ta hanyar mirgina mai zafi, mirgina mai sanyi, zafi mai zafi, zane mai zafi ko zane mai sanyi.
Ana iya narkar da bututun ƙarfe a cikin buɗaɗɗen murhu ko tanderun lantarki bisa ga hanyar busa iskar oxygen, kuma duk ƙarfe ya kamata a jefar da shi a tsaye.
samuwa
17175 St45.8 mara nauyi bututu za a tsĩrar da da dace zafi magani.Maganin zafi ya haɗa da:
- daidaitawa.
- Annealing.
- Haushi;daga zafin jiki na quenching, ba sanyi ba, amma fushi.
- Daidaita taro ta hanyar canjin isothermal.
| Karfe Grade | Thermal sarrafa ℃ | Normalizing ℃ | Haushi | ||
| Daraja | Lambar abu | Ƙunƙarar zafin jiki ℃ | Yanayin zafin jiki ℃ | ||
| St45.8 | 1.0405 | 1100 zuwa 850 ° C | 870-900 | - | - |
| Standard: DIN 17175 | Daraja | Abubuwan sinadaran (%) | |||||
| C | Si | Mn | P, S | Cr | Mo | ||
| St45.8 | ≤0.21 | 0.10-0.35 | 0.40-1.20 | ≤0.030 | / | / | |
| Daraja | Ƙarfin Tensile (MPa) | Ƙarfin Haɓaka (MPa) | Tsawaita(%) |
| St45.8 | 410-530 | ≥255 | ≥21 |
Ya kamata a ɗauki takarda mai bakin ciki a saman ƙarshen kowane zagaye ko mashaya ingot don gwajin tsinke don tantance ko an yanke ƙarshen saman daidai.Hakanan za'a iya yin gwajin Ultrasonic akan rami mai raguwa kamar yadda mai siyarwa ya zaɓa.
Gwaji:
Gwajin tabbatar da abun da ke ciki
hydrostatest
Gwajin tensile
Gwajin tasiri mara kyau
Gwajin ƙarfin samarwa
Gwajin zobe
Gwajin mara lalacewa
Tutar Tube
Duk bututun ƙarfe da aka ƙaddamar don gwaji da karɓa za a yi alama a gefen hagu da dama na ƙarshen bututu a 300 mm.Alamar yawanci lamba ce.Hakanan za'a iya amfani da bututu masu bakin ciki a wasu nau'ikan.
Alama da oda
Ya kamata a rubuta darajar ƙarfe ko lambar kayan zuwa ga taƙaitaccen samfurin kamar yadda aka nuna a cikin misali mai zuwa:
Misali 1:
A DIN 17175 diamita na waje 63mm, bango kauri 2.5 mm mm karfe sa ST45.8 abu, lamba 1.03 0 5 sumul karfe bututu wanda sunan da aka rubuta: karfe bututu DIN 17175-ST45.8 - 63 × 2.5 ko karfe bututu DIN 17175 -1.03 – 63 × 2 .5.
Muna da kayan aikin zamani.Ana fitar da kayan mu zuwa Amurka, Burtaniya da sauransu, suna jin daɗin kyakkyawan matsayi tsakanin masu siye don Rangwame ASTM/ASME SA179 SA192 Cold Rolled Hot Dipped Galvanized/Precision/Black/Carbon Steel Seamless Pipes don Boiler and Heat Exchanger, Fatan Gaskiya muna tashi tare da masu siyayya a ko'ina cikin duniya.
Rangwamen JumlaSin galvanized Karfe bututu da galvanized Karfe Sheet bututu, Don ƙirƙirar ƙarin samfuran ƙirƙira, kula da kayayyaki masu inganci da sabunta ba kawai samfuranmu ba amma kanmu don kiyaye mu a gaban duniya, kuma na ƙarshe amma mafi mahimmanci: don sa kowane abokin ciniki gamsu da duk abin da muke samarwa da haɓakawa. karfi tare.Don zama ainihin mai nasara, farawa a nan!
