DIN1630 St 37.4 seamless steel yeeb nkab sab sauv yield kev ntxhov siab rau qhov tsim kub
| Qib hlau | Upper yield stress rau qhov tsim kub | ||||||||||||
| Cim | Tus lej Khoom | 50 degree | 200 degree | 250 Qib | 300 Degree | ||||||||
| thiab ib phab ntsa tuab | |||||||||||||
| Tsawg dua los yog sib npaug li 16 | >16 Tsawg dua lossis sib npaug li 40 | >40 Tsawg dua lossis sib npaug li 65 | Tsawg dua los yog sib luag rau 16 | >16 Tsawg dua lossis sib npaug li 40 | >40 tsawg dua los yog sib npaug rau 65 | Tsawg dua los yog sib npaug li 16 | >16 Tsawg dua lossis sib npaug li 40 | >40 Tsawg dua lossis sib npaug li 65 | Tsawg dua los yog sib luag rau 16 | Tsawg dua los yog sib luag rau 16 | >40 tsawg dua los yog sib npaug rau 65 | ||
| N / hli 2 | |||||||||||||
| Ib 37.4 | 1.0255 | 235 | 225 | 215 | 185 | 175 | 170 | 165 | 155 | 150 | 140 | 135 | 130 |
| Tshuaj Muaj Tshuaj | ||||||||
| Qib hlau | Hom deoxidation (RR.full tua) | Tshuaj lom neeg muaj pes tsawg leeg,% los ntawm huab hwm coj | Txuas ntxiv ntawm nitrogen txhim kho cov ntsiab (gno tsawg dua 0. 020% al tag nrho) | |||||
| Cim | Tus lej Khoom | C | Si | Mn | P | S | ||
| max | tus zuag | |||||||
| St 37.4 | 1.0255 | RR | 0.17 | 0.35 | >=0.35 | 0.040 | 0.040 | Yog lawm |
DIN1630 ST 37.4 Seamless Steel Yeeb Nkab Cov Khoom Vaj Tse
| Qib hlau | SERTUGK RISH DEVE DEM RAU PHAB THAUM RAU HAUV MM | Tensile zog Rm N / mm2 | Elongation tom qab pob txha lov A5 | Kev Cuam Tshuam Iso V-Nti Kuaj Xyuas No ntawm +20 degree | |||||
| Cim | Khoom naj npawb | Mus txog 16 | 16-40 | 40-65 | ntev | transverse | ntev | tsheb | |
| N/mm2 min | % min | / min | |||||||
| Ib 37.4 | 1.0255 | 235 | 225 | 215 | 350-480 Nws | 25 | 23 | 43 | 27 |
Cim npe nrov: St37.4 EN10305 Seamless Tus Hlau Hlau, Tuam Tshoj St37.4 EN10305 Seamless Steel Tube Manufacturers, lwm tus neeg, Hoobkas
