Ulwakhiwo Intsimbi engenamthungo Umbhobho wokuthumela kumazwe angaphandle
Ingcaciso yeMveliso
Umgangatho:I-GB/T8162-2008
Ibakala:20, 45, 20Mn, Q345B, Q345C, Q345D, 45Mn2, 27SiMn
hambisa iCodition:Ukuqengqeleka okushushu
Uluhlu lobungakanani:OD 73MM-630MM , Ukutyeba 4MM-35MM
Ukunyamezela:Ngokutsho kwe-GB/T8162-2008
Ubude:Njengesicelo
MTC:GB/T19001-2008
ipharamitha yemveliso
UkuQiniswa kweMichiza:
| IBanga | 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 |
Iinkcazelo ngoomatshini:
| IBanga | Ukuqulunqwa kwemichiza | Yeild Amandlamin Mpa | Tensile strength | Ukwandisa | Uvavanyo lweMpembelelo | ||||||
| T kwi mm | Mpa | ||||||||||
| ≤16 | ＞16 ≤30 | ＞30 | ℃ | Impembelelo/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 | - | - | ||
Umboniso weMveliso:
I-advanteji:
Imathiriyeli ekrwada ivela kuMveliso oPhezulu othembisa umgangatho ophezulu.
Itekhnoloji echanekileyo iqinisekisa ukunyamezela ubungakanani obuchanekileyo.
Iqela lokuthengisa elisebenzayo likunika isindululo esifanelekileyo.
Emva kokuthengisa iqela elinikezelayo kunye nenkxaso yokuqinisekisa imveliso.
Ulawulo lwemeko:
Inkonzo yethu:
