Ħarsa ġenerali tal-bar tond tal-azzar tar-Rebbiegħa
Bar tond tal-azzar tar-rebbiegħa huwa adattat għal varjetà wiesgħa ta 'applikazzjonijiet tar-rebbiegħa inklużi molol ċatti, klaċċijiet, skieken, xfafar tat-tabib, xfafar tas-serrieq, għodod agrikoli, srieraq tal-qtugħ tal-injam, shims, skieken, xfafar, shims, woxers, għodod tal-ġebel. Meta tittratta bis-sħana it-temperaturi EN42, inkluża r-rata ta 'tisħin, tkessiħ u ħinijiet ta' tixrib, eċċ se jvarjaw minħabba fatturi bħall-forma u d-daqs ta 'kull komponent. Konsiderazzjonijiet oħra matul il-proċess tat-trattament tas-sħana jinkludu t-tip ta 'forn, mezz ta' tkessiħ, u faċilitajiet ta 'trasferiment tal-biċċa tax-xogħol. Jekk jogħġbok ikkonsulta lill-fornitur tat-trattament tas-sħana tiegħek għal gwida sħiħa dwar it-trattament bis-sħana tal-azzar tar-rebbiegħa.
Gradi Indaqs ta 'Azzar tar-Rebbiegħa
GB | ISO | ASTM | UNS | JIS | DIN | BS |
65 | Tip DC | 1064 | G10650 | SWRH67A SWRH67B SUP2 | C67 CK67 | 080A67 060A67 |
70 | Tip DC | 1070 | G10700 | SWRH72A SWRH72B SWRS72B | CK75 | 070A72 060A72 |
85 | Tip DC | 1084 1085 | G10840 G10850 | SUP3 | CK85 | 060A86 080A86 |
65Mn | Tip DC | 1566 C1065 | G15660 | -- | 65Mn4 | 080A67 |
55Si2Mn | 56SiCr7 | 9255 | H92600 | SUP6 SUP7 | 55Si7 | 251H60 250A53 |
55Si2MnB | -- | -- | -- | -- | -- | -- |
55SiMnVB | -- | -- | -- | -- | -- | -- |
60Si2Mn | 61SiCr7 | 9260 | H92600 | SUP6 | -- | 251H60 |
60Si2Mn | 6 7 | -- | G92600 | SUP7 | 60Si7 60SiMn5 | 250A58 250A61 |
60Si2MnA | 61SiCr7 7 | 9260H | H92600 | SUP6 SUP7 | 60SiCr7 | 251H60 |
60Si2CrA | 55SiCr63 | -- | -- | SWOSC-V | 60SiCr7 67SiCr5 | 685H57 |
60Si2CrVA | -- | -- | -- | -- | -- | -- |
55CrMnA | 55Cr3 8 | 5155 | H51550 G51550 | SUP9 | 55Cr3 | 525A58 527A60 |
60CrMnA | 55Cr3 8 | 5160 | H51600 G51600 | SUP9A SUP11A | 55Cr3 | 527H60 527A60 |
60CrMnMoA | 60CrMo33 12 | 4161 | G41610 H41610 | SUP13 | 51CrMoV4 | 705H60 805A60 |
50CrVA | 51CrV4 13 | 6150 H51500 | G61500 | SUP10 | 50CrV4 | 735A51 |
60CrMnBA | 60CrB3 10 | 51B60 | H51601 G51601 | SUP11A | 58CrMnB4 | -- |
30W4Cr2VA | -- | -- | -- | -- | 30WCrV17.9 | -- |
Proprjetajiet Mekkaniċi Tal-Vira tal-Azzar tar-Rebbiegħa
Grad tal-Azzar | Qawwa tat-tensjoni Rm (Mpa) | Qawwa tar-Rendiment Rp0.2 (Mpa) | Titwil A5 (%) | Proporzjon ta' Tnaqqis taż-Żona C (%) |
65 | 980 min | 785 min | 9 min | 35 min |
70 | 1030 min | 835 min | 8 min | 30 min |
85 | 1130 min | 980 min | 6 min | 30 min |
65Mn | 980 min | 785 min | 8 min | 30 min |
60Si2Mn | 1275 min | 1180 min | 5 min | 25 min |
50CrVA | 1275 min | 1130 min | 10 min | 40 min |
55SiCrA | 1450-1750 | 1300 min | 6 min | 25 min |
60Si2CrA | 1765 min | 1570 min | 6 min | 20 min |
Aħna Nżommu Stokk U Provvista ta 'Bars & Vireg ta' l-Azzar tar-Rebbiegħa tal-Azzar tal-Karbonju
Kompożizzjoni Kimika (%) Tal-Vira tal-Azzar tar-Rebbiegħa
Grad tal-Azzar | C | Mn | Si | P | S | Cr | Ni | B | Cu | Mo | V |
55 | 0.52-0.60 | 0.50-0.80 | 0.17-0.37 | 0.035 max | 0.035 max | 0.25 max | 0.30 max | / | 0.25 max | / | / |
65 | 0.62-0.70 | 0.50-0.80 | 0.17-0.37 | 0.035 max | 0.035 max | 0.25 max | 0.25 max | / | 0.25 max | / | / |
70 | 0.62-0.75 | 0.50-0.80 | 0.17-0.37 | 0.035 max | 0.035 max | 0.25 max | 0.25 max | / | 0.25 max | / | / |
75 | 0.72-0.80 | 0.50-0.80 | 0.17-0.37 | 0.035 max | 0.035 max | 0.25 max | 0.30 max | / | 0.25 max | / | / |
85 | 0.95-1.04 | 0.40 max | 0.35 max | 0.025 max | 0.025 max | / | / | / | / | / | / |
65Mn | 0.62-0.70 | 0.90-1.20 | 0.17-0.37 | 0.035 max | 0.035 max | 0.25 max | 0.25 max | / | 0.25 max | / | / |
60Si2Mn | 0.56-0.64 | 0.70-1.00 | 1.50-2.00 | 0.035 max | 0.035 max | 0.35 max | 0.25 max | / | 0.25 max | / | / |
50CrVA | 0.46-0.54 | 0.50-0.80 | 0.17-0.37 | 0.025 max | 0.025 max | 0.80-1.10 | 0.35 max | / | 0.25 max | / | 0.10-0.20 |
55SiCrA | 0.51-0.59 | 0.50-0.80 | 1.20-1.60 | 0.025 max | 0.025 max | 0.50-0.80 | 0.35 max | / | 0.25 max | / | / |
60Si2CrA | 0.56-0.64 | 0.40-0.70 | 1.40-1.80 | 0.025 max | 0.025 max | 0.70-1.00 | 0.35 max | / | 0.25 max | / | / |
Trattament tas-Sħana Tal-Vira tal-Azzar tar-Rebbiegħa
Grad tal-Azzar | Temperatura tat-tifi (°C) ( | Midja | Temperatura tat-Ttemprar (°C) |
65 | 840 | żejt | 500 |
70 | 830 | żejt | 480 |
85 | 820 | żejt | 480 |
65Mn | 830 | żejt | 540 |
60Si2Mn | 870 | żejt | 480 |
50CrVA | 850 | żejt | 500 |
55SiCrA | 860 | żejt | 450 |
60Si2CrA | 870 | żejt | 420 |