DIN 17175 - Seamless Steel Tubes rau qhov kub siab
TIAB SA 17175yog covGerman txujrau seamless steel raj siv nyob rau hauvboilers, tshav kub exchangers, thiab piping systemsua haujlwm ntawm qhov kub thiab txias siab.
Cov yam ntxwv tseem ceeb
| Feature | Kev piav qhia |
|---|---|
| Txuj | German Industrial Standard(Deutsches Institut rau Normung) |
| Daim ntawv thov | Fais fab nroj tsuag, muaj boilers, txheej txheem cov nroj tsuag |
| Kub | Txog li 600 degree(nyob ntawm qib) |
| Khoom siv | Thaum tshav kub kub-resistant ferritic & austenitic steels |
Hom Khoom Qib
Cov pa roj carbon steel:
| Qib | Zoo ib yam li | Siv Kub | Daim ntawv thov tseem ceeb |
|---|---|---|---|
| ib 35.8 | A179/A192 | Tsawg dua lossis sib npaug li 400 degree | Boiler tube, condensers |
| ib 45.8 | A210 A-1 | Tsawg dua lossis sib npaug li 450 degree | Boiler, superheater raj |
Alloy Steels:
| Qib | Kev sib xyaw | Zoo ib yam li | Max Temp |
|---|---|---|---|
| 15 hmo 3 | 0.5% Mo | A209 T1 | 500 degree |
| 13CrMo4-5 | 1Cr-0.5Mo | A213 T11 | 550 degree |
| 10CrMo9-10 | 2.25Cr-1Mo | A213 T22 | 575 degree |
Austenitic Steels:
| Qib | Zoo ib yam li | Max Temp |
|---|---|---|
| X10CrNi18-9 | TIAB SA 304 | 600 degree |
| X6CrNiTi18-10 | TIAB SA 321 | 600 degree |
Chemical Requirements (Piv txwv)
Txoj Kev 45.8 (Carbon Steel):
| Element | Kev sib xyaw (%) |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.21 |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.35 |
| Manganese (Mn) | 0.40-1.20 |
| Phosphorus (P), max | 0.040 |
| Sulfur (S), max | 0.040 |
13CrMo4-5 (Alloy Steel):
| Element | Kev sib xyaw (%) |
|---|---|
| Cov pa roj carbon (C) | 0.10-0.18 |
| Chromium (Cr) | 0.70-1.15 |
| Molybdenum (hli) | 0.40-0.60 |
| Silicon (Si) | 0.15-0.35 |
| Manganese (Mn) | 0.40-0.70 |
Mechanical Properties
Chav ntsuas kub:
| Qib | Tawm tswv yim (MPa) | Tensile (MPa) | Elongation (%) |
|---|---|---|---|
| ib 35.8 | Ntau dua lossis sib npaug rau 235 | 360-480 | Ntau dua lossis sib npaug li 25 |
| ib 45.8 | Ntau dua lossis sib npaug li 255 | 410-530 | Ntau dua lossis sib npaug li 25 |
| 13CrMo4-5 | Ntau dua lossis sib npaug li 280 | 440-590 | Ntau dua lossis sib npaug 22 |
High -Tsev Khoom Cuab Yeej:
Creep zogCov txiaj ntsig tau muab hauv DIN 17175
Tso cai rau kev ntxhov siabntawm qhov kub thiab txias
Ntev - lub sij hawm khoomrau kev tsim mus txog 100,000 teev
Manufacturing Requirements
Seamless nkaus xwb:Tsis pub welded raj
Kev kho cua sov:Normalized los yog normalized + tempered rau alloy steels
Tsis yog-Kev kuaj kev puas tsuaj:Ultrasonic los yog eddy tam sim no kuaj yuav tsum tau
Kev Ntsuas Hydrostatic:Yuav tsum tau rau txhua lub raj
Kev Ntsuas & Kev Tshuaj Xyuas
| Kuaj | Kev xav tau |
|---|---|
| Hydrostatic Test | Qhov tsawg kawg nkaus siab xam ib tus qauv |
| Tensile Test | Ib lub tshav kub thiab kev tsim khoom batch |
| Flattening Test | Rau kev txheeb xyuas ntawm ductility |
| Hardness Test | Yeem, rau qee yam kev siv |
| NDT | Ultrasonic los yog eddy tam sim no rau kev kuaj pom |
Hydrostatic Test Siab:
ntawv nyeem
p=20 · S · t / (D - t) Qhov twg: p=ntsuas siab (bar), S=kev ntxhov siab (MPa), t=phab ntsa thickness (mm), D=sab nraud txoj kab uas hla (mm)
Daim ntawv thov
Kev tsim hluav taws xob:
Boiler raj(dej phab ntsa, superheaters, economizers)
Chav kav dej(lub ntsiab chav, kub reheat kab)
Kub exchangers(Cov khoom cua sov, condensers)
Txheej txheem kev lag luam:
Refinery rhaubthiab kub exchangers
Cov txheej txheem tshuajpiping thiab coils
Pov tseg tshav kub rov qabtshuab
European Market:
Thawj tus qauvhauv German- teb chaws hais lus
Txais davthoob plaws teb chaws Europe
Feem ntau teevhauv European fais fab nroj tsuag
Kev sib piv nrog ASTM Standards
| TIAB SA 17175 | Zoo sib xws ASTM | Qhov txawv tseem ceeb |
|---|---|---|
| ib 35.8 | A179/A192 | Cov khoom zoo sib xws, sib txawv chemistry |
| ib 45.8 | A210 A-1 | Sib piv qhov kub thiab txias |
| 13CrMo4-5 | A213 T11 | Yuav luag zoo ib yam |
| 10CrMo9-10 | A213 T22 | Tib yam khoom, txawv npe |
Kev txiav txim siab tsim
Kub txwv:
| Hom khoom | Qhov kub siab tshaj plaws |
|---|---|
| Carbon Steels | 400-450 degree |
| 0.5% Mo Steels | 500 degree |
| 1-2.25% Cr-Mo | 550-575 degree |
| Austenitic Steels | 600℃+ |
European Design Codes:
TS EN 12952:Dej-tube boilers
TS EN 13480:Hlau industrial piping
TRD:German Technical Rules rau Chav Boilers
Ordering Information
Hom Npe:
ntawv nyeem
DIN 17175 - Khoom Qib - Dimensions - Cov Lus Qhia Ntxiv Piv txwv: DIN 17175 - 13CrMo4-5 - 38.0 x 4.0 mm
Cov cim ntxiv:
+ TR:Kev xa hauv tshav kub- kho mob
+NT:Tsis yog- kuaj kev puas tsuaj
+ TU:Tube rau qhov kub thiab txias
Qhov zoo
Proven Standard:Ntau xyoo ntawm kev txhim khu kev qha hauv European kev lag luam
Comprehensive Data:Ntau qhov siab -cov khoom vaj tse kub
Quality Assurance:Kev tsim khoom nruj thiab kev xeem yuav tsum tau ua
European Txais:Cov txheej txheem nyiam nyob hauv ntau lub tebchaws nyob sab Europe
Kev txwv
Feem ntau European:Tsis tshua muaj nyob sab Europe
Metric Focus:Dimensions nyob rau hauv mm, tsis nti
Limited Kev lees paub thoob ntiaj teb:Tej zaum yuav xav tau kev kawm sib npaug rau cov haujlwm thoob ntiaj teb
Hauv cov ntsiab lus:DIN 17175 yog tusGerman/European sib npaugrau ASTM A213 / A335 tus qauv, muabsiab - zoo seamless rajrau siab kub pab nrogpov thawj kev ntseegnyob rau hauv European zog thiab txheej txheem industries.
