Muundo Bomba la chuma lisilo na mshono la kusafirisha nje
Maelezo ya bidhaa
Kawaida:GB/T8162-2008
Daraja:20, 45, 20Mn, Q345B, Q345C, Q345D, 45Mn2, 27SiMn
Nambari ya Kuwasilisha:Moto rolling
Safu ya Ukubwa:OD 73MM-630MM , Unene 4MM-35MM
Uvumilivu:Kulingana na GB/T8162-2008
Urefu:Kama ombi
MTC:GB/T19001-2008
parameter ya bidhaa
Mchanganyiko wa Kemikali:
| Daraja | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 |
| 45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 |
| 20Mn | 0.17-0.23 | 0.07-0.37 | 0.70-1.00 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 |
| Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 |
| Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 |
| 45Mn2 | 0.42-0.49 | 0.17-0.37 | 1.40-1.80 | ≤0.035 | ≤0.035 | / | / | / | ≤0.25 | / | ≤0.25 |
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | ≤0.035 | ≤0.035 | / | / | / | ≤0.30 | / | ≤0.20 |
Sifa za Mitambo:
| Daraja | Muundo wa Kemikali | Yeild Nguvumin Mpa | Nguvu ya Mkazo | Kurefusha | Mtihani wa Athari | ||||||
| T katika mm | Mpa | ||||||||||
| ≤16 | ＞16 ≤30 | ＞30 | ℃ | Athari/J | |||||||
| ≥ | |||||||||||
| 20 | / | / | / | / | 245 | 235 | 225 | ≥410 | ≥20 | - | - |
| 45 | / | / | / | / | 335 | 325 | 315 | ≥590 | ≥14 | - | - |
| 20Mn | / | / | / | / | 275 | 265 | 255 | ≥450 | ≥20 | - | - |
| Q345B | ≤0.012 | ≤0.10 | / | / | 345 | 325 | 295 | 470-630 | ≥20 | 20 | 34 |
| Q345C | ≤0.012 | ≤0.10 | / | ≥0.015 | 345 | 325 | 295 | 470-630 | ≥21 | 0 | 34 |
| Q345D | ≤0.012 | ≤0.10 | / | ≥0.015 | 345 | 325 | 295 | 470-630 | ≥21 | -20 | 34 |
| 45Mn2 | / | ≤0.25 | / | / | 885 | ≥735 | ≥10 | - | - | ||
| 27SiMn | / | ≤0.30 | / | / | 980 | ≥835 | ≥12 | - | - | ||
Onyesho la Uzalishaji:
Faida:
Malighafi ni kutoka kwa utengenezaji wa Juu ambao huahidi ubora wa juu.
Teknolojia sahihi inathibitisha uvumilivu halisi wa ukubwa.
Timu ya mauzo yenye ufanisi inakupa pendekezo linalofaa.
Ofa ya timu baada ya mauzo na usaidizi wa dhamana ya bidhaa.
Udhibiti wa Ubora:
Huduma zetu:
