Ħarsa ġenerali lejn il-bar tond tal-azzar tar-rebbiegħa
Il-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, għodda agrikola, srieraq tal-qtugħ tal-injam, shims, skieken, xfafar, shims, woxers, għodda tal-ġebel. Meta t-trattament tas-sħana tat-temperaturi EN42, inklużi 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 ta 'trattament tas-sħana jinkludu t-tip ta' forn, mezz ta 'tkessiħ, u faċilitajiet ta' trasferiment ta 'biċċa xogħol. Jekk jogħġbok ikkonsulta l-fornitur tat-trattament tas-sħana tiegħek għal gwida sħiħa dwar it-trattament tas-sħana tal-azzar tar-rebbiegħa.
Gradi ugwali ta 'l-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 | -- |
Propjetajiet mekkaniċi tal-virga tal-azzar tar-rebbiegħa
Grad tal-azzar | Qawwa tat-Tensili RM (MPA) | Qawwa tar-Rendiment RP0.2 (MPA) | Titwil A5 (%) | Proporzjon ta 'tnaqqis taż-żona Ċ (%) |
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 l-istokk u l-provvista ta 'azzar tal-karbonju tar-rebbiegħa tal-azzar u vireg tondi
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 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-virga tal-azzar tar-rebbiegħa
Grad tal-azzar | Temperatura ta 'tkessiħ (° C) ( | Midja | Temperatura tat-tempra (° 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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En45 / EN47 / EN9 Spring Steel Factory
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Manifattur tal-Azzar tal-Għodda b'veloċità Għolja
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Bar tal-Azzar tal-Għodda ta 'Veloċità Għolja M35
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M7 Għodda ta 'Veloċità Għolja Bar Round Bar
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T1 Għodda ta 'Veloċità Għolja Steels Factory
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12L14 Bar tal-azzar li jnaqqas bla ħlas
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Bar tond tal-azzar li jaqta 'bla ħlas / bar hex
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GCR15Simn Bearing Steel Factory fiċ-Ċina
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Bar tal-azzar li jkollu gcr15