
JIS G3473 Round Carbon Steel Tube
Khoom siv thiab Specification
JIS G3473 yog Japanese Industrial Standard uas qhia txog cov kev cai rau seamless carbon steel hlab siv nyob rau hauv tsheb thiab txhua yam kev siv. Cov raj no yog Round Carbon Steel Tube haum rau siv nrog lub tog raj kheej pistons lossis lwm yam khoom siv uas qhov siab precision thiab smoothness yog qhov tseem ceeb.
Tus txheej txheem npog ntau qib ntawm seamless carbon steel raj, txhua tus tsim los rau cov kev siv tshwj xeeb thiab cov khoom siv kho tshuab. Cov qib tseem ceeb tau teev tseg hauv JIS G3473 yog raws li hauv qab no:
| Qib Steel | Tshuaj muaj pes tsawg leeg |
| TIAB SA 370 | C: 0 27-0.34 feem pua |
| Si: 0.15-0.35 feem pua | |
| Mn: 0 30-0.90 feem pua | |
| P: 0.030 feem pua max | |
| S: 0.030 feem pua max | |
| TSI 440A | C: 0 37-0.44 feem pua |
| Si: 0.15-0.35 feem pua | |
| Mn: 0 30-0.90 feem pua | |
| P: 0.030 feem pua max | |
| S: 0.030 feem pua max | |
| TIAB SA 440B | C: 0 37-0.44 feem pua |
| Si: 0.15-0.35 feem pua | |
| Mn: 0 60-1 00 feem pua | |
| P: 0.030 feem pua max | |
| S: 0.030 feem pua max |
Mechanical Properties
Cov cuab yeej cuab tam ntawm seamless carbon steel raj yog qhov tseem ceeb los xyuas kom meej tias lawv tsim nyog rau cov ntawv thov. Cov lus hauv qab no muab cov ntsiab lus ntawm cov khoom siv kho tshuab rau txhua qib steel:
| Qib Steel | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Hardness (HRB) |
| TIAB SA 370 | 370 nqi | 215 feeb | 30 feeb | 65 max |
| TSI 440A | 440 min | 305 nqi | 20 feeb | 85 max |
| TIAB SA 440B | 440 min | 305 nqi | 20 feeb |
85 max |
Daim ntawv thov
JIS G3473 seamless carbon steel raj pom kev siv dav hauv kev lag luam tsheb, tshwj xeeb hauv kev tsim cov hydraulic thooj voos kheej kheej thiab lub tog raj kheej pneumatic. Cov raj no kuj tau siv rau hauv ntau yam kev siv tshuab thiab engineering uas xav tau siab precision, zoo heev nto tiav, thiab txhim khu kev qha.
Seamless tsim ntawm cov pa roj carbon steel raj tso cai rau smoother sab hauv nto, txo kev sib txhuam thiab txhim kho tag nrho cov efficiency nyob rau hauv cov dej kev thauj mus los thiab mechanical kev khiav hauj lwm.
Cov kev qhia meej meej thiab cov khoom siv kho tshuab ntawm JIS G3473 cov raj ua rau lawv nyiam xaiv rau cov khoom tseem ceeb uas yuav tsum tau ua haujlwm rau deformation, toughness, thiab durability.



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