
DIN 2391 ST52 Seamless Precision Steel Tubes
Taw qhia
DIN 2391 ST52 seamless precision steel raj yog precision-engineered hlab uas pom cov ntawv thov nyob rau hauv ntau yam industries xws li automotive, mechanical, thiab hydraulic systems. Cov raj no paub txog lawv qhov kev ua tau zoo heev hauv qhov chaw siab thiab qhov kub thiab txias.
Khoom siv thiab Specification
DIN 2391 ST52 raj yog tsim los ntawm cov pa roj carbon tsawg thiab muaj cov yam ntxwv ntawm lawv lub zog siab thiab ua haujlwm ntev. Cov raj no tau txias txias thiab muaj qhov ua tau zoo ntawm qhov ntev ntawm ob sab hauv thiab sab nraud diameters. Cov raj muaj nyob rau hauv ntau qhov ntau thiab tsawg, qhov ntev, thiab thicknesses kom haum rau cov ntawv thov sib txawv.
Ntsiab nta
Cov yam ntxwv tseem ceeb ntawm DIN 2391 ST52 seamless precision steel hlab yog raws li hauv qab no:
High precision thiab raug nyob rau hauv qhov ntev
Zoo heev nto finish
Siab zog thiab durability
Zoo machinability
Kev tiv thaiv corrosion
Haum rau kev siv high-pressure thiab high-temperature
Tshuaj muaj pes tsawg leeg
| Element | Chemical Composition (%) |
| C (Carbon) | 0.22 Max |
| Si (Silicon) | 0.55 Max |
| Manganese (Mn) | 1.60 Max |
| P (phosphorus) | 0.025 Max |
| S (Sulfur) | 0.025 Max |
Mechanical Properties
| Khoom | Tus nqi |
| Tensile zog (Rm) | 580-620 MPa |
| Yield zog (Rp0.2) | 420-470 MPa |
| Elongation (A5) | 15% Min |
| Impact Zog (KV) | 27 J Mas |
| Hardness (HB) | 170-210 HB |
Qib Steel
Cov qib steel siv hauv DIN 2391 ST52 seamless precision steel raj yog ST52, uas yog cov hlau tsis tshua muaj hlau nrog cov khoom zoo heev. Qib no ntawm cov hlau muaj qhov zoo weldability, machinability, thiab toughness, ua rau nws haum rau ntau yam kev siv.
Daim ntawv thov
DIN 2391 ST52 seamless precision steel raj yog dav siv hauv cov ntawv hauv qab no:
Hydraulic systems
Automotive kev lag luam
Mechanical engineering
Cov nroj tsuag tsim hluav taws xob
Pressure piping systems
Kub exchangers
Cov qhab nia xaiv tau
Txawm hais tias DIN 2391 ST52 seamless precision steel tubes muaj cov khoom zoo, muaj lwm qib uas tuaj yeem txiav txim siab nyob ntawm cov ntawv thov tshwj xeeb. Qee cov qhab nia sib xws muaj xws li:
ASTM A519 Qib 1026
EN 10305-1 E355
JIS G3445 STKM13C




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