Ħarsa ġenerali lejn il-virga tonda tal-azzar tar-rebbiegħa
Vireg tondi tal-azzar tar-rebbiegħa huma adattati għal varjetà wiesgħa ta' applikazzjonijiet tar-rebbiegħa inklużi molol ċatti, klaċċijiet, skieken, xfafar tat-tabib, xfafar tas-serrieq, għodod agrikoli, serrieq tal-qtugħ tal-injam, shims, skieken, xfafar, shims, woxers, għodod tal-ġebel. Meta jiġu ttrattati bis-sħana, it-temperaturi EN42, inkluża r-rata tat-tisħin, it-tkessiħ u l-ħinijiet tat-tixrib, eċċ. ivarjaw minħabba fatturi bħall-forma u d-daqs ta' kull komponent. Konsiderazzjonijiet oħra matul il-proċess tat-trattament bis-sħana jinkludu t-tip ta' forn, il-mezz ta' tifrix, u l-faċilitajiet tat-trasferiment tal-biċċa tax-xogħol. Jekk jogħġbok ikkonsulta lill-fornitur tat-trattament bis-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 | Ċ67 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 Ċ1065 | 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-Virga tal-Azzar tar-Rebbiegħa
Grad tal-Azzar | Saħħa tat-Tensile Rm (Mpa) | Saħħa tar-Rendiment Rp0.2 (Mpa) | Titwil A5 (%) | Proporzjon ta' Tnaqqis taż-Żona C (%) |
65 | 980 minuta | 785 minuta | 9 minuti | 35 minuta |
70 | 1030 minuta | 835 minuta | 8 minuti | 30 minuta |
85 | 11:30 minuta | 980 minuta | 6 minuti | 30 minuta |
65Mn | 980 minuta | 785 minuta | 8 minuti | 30 minuta |
60Si2Mn | 1275 minuta | 1180 minuta | 5 minuti | 25 minuta |
50CrVA | 1275 minuta | 11:30 minuta | 10 minuti | 40 minuta |
55SiCrA | 1450-1750 | 1300 minuta | 6 minuti | 25 minuta |
60Si2CrA | 1765 minuta | 1570 minuta | 6 minuti | 20 minuta |
Aħna nżommu Stokk u Provvista ta' Bars u Vireg Tondi tal-Azzar tar-Rebbiegħa tal-Azzar tal-Karbonju
Kompożizzjoni Kimika (%) tal-Virga 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 massimu | 0.035 massimu | 0.25 massimu | 0.30 massimu | / | 0.25 massimu | / | / |
65 | 0.62-0.70 | 0.50-0.80 | 0.17-0.37 | 0.035 massimu | 0.035 massimu | 0.25 massimu | 0.25 massimu | / | 0.25 massimu | / | / |
70 | 0.62-0.75 | 0.50-0.80 | 0.17-0.37 | 0.035 massimu | 0.035 massimu | 0.25 massimu | 0.25 massimu | / | 0.25 massimu | / | / |
75 | 0.72-0.80 | 0.50-0.80 | 0.17-0.37 | 0.035 massimu | 0.035 massimu | 0.25 massimu | 0.30 massimu | / | 0.25 massimu | / | / |
85 | 0.95-1.04 | 0.40 massimu | 0.35 massimu | 0.025 massimu | 0.025 massimu | / | / | / | / | / | / |
65Mn | 0.62-0.70 | 0.90-1.20 | 0.17-0.37 | 0.035 massimu | 0.035 massimu | 0.25 massimu | 0.25 massimu | / | 0.25 massimu | / | / |
60Si2Mn | 0.56-0.64 | 0.70-1.00 | 1.50-2.00 | 0.035 massimu | 0.035 massimu | 0.35 massimu | 0.25 massimu | / | 0.25 massimu | / | / |
50CrVA | 0.46-0.54 | 0.50-0.80 | 0.17-0.37 | 0.025 massimu | 0.025 massimu | 0.80-1.10 | 0.35 massimu | / | 0.25 massimu | / | 0.10-0.20 |
55SiCrA | 0.51-0.59 | 0.50-0.80 | 1.20-1.60 | 0.025 massimu | 0.025 massimu | 0.50-0.80 | 0.35 massimu | / | 0.25 massimu | / | / |
60Si2CrA | 0.56-0.64 | 0.40-0.70 | 1.40-1.80 | 0.025 massimu | 0.025 massimu | 0.70-1.00 | 0.35 massimu | / | 0.25 massimu | / | / |
Trattament bis-Sħana tal-Vireg tal-Azzar tar-Rebbiegħa
Grad tal-Azzar | Temperatura ta' Tisfija (°C) ( | Midja | Temperatura tat-Tempjar (°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 |
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Fornitur tal-Bar tal-Azzar tar-Rebbiegħa
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Fabbrika tal-Azzar tar-Rebbiegħa EN45/EN47/EN9
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Manifattur tal-Azzar tal-Għodda b'Veloċità Għolja
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Bar tal-Azzar tal-Għodda b'Veloċità Għolja M35
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Bar Tond tal-Azzar tal-Għodda b'Veloċità Għolja M7
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Fabbrika tal-Azzar tal-Għodda b'Veloċità Għolja T1
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12L14 Bar tal-Azzar li Jaqta' Ħieles
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Bar tond tal-Azzar li ma jaqtax bil-ħeffa/bar eżagonali
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Fabbrika tal-Azzar tal-Bearings GCr15SiMn fiċ-Ċina
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Bar tal-Azzar li Jġorr GCr15