Trosolwg o far crwn dur y Gwanwyn
Mae bar crwn dur y gwanwyn yn addas ar gyfer amrywiaeth eang o gymwysiadau gwanwyn gan gynnwys ffynhonnau gwastad, clutches, cyllyll, llafnau meddyg, llafnau llifio, offer amaethyddol, llifiau torri pren, shims, cyllyll, llafnau, shims, wasieri, offer maen. Pan fydd gwres trin tymheredd EN42, gan gynnwys y gyfradd o wresogi, oeri a socian amseroedd, ac ati yn amrywio oherwydd ffactorau megis siâp a maint pob cydran. Mae ystyriaethau eraill yn ystod y broses trin gwres yn cynnwys y math o ffwrnais, cyfrwng diffodd, a chyfleusterau trosglwyddo gweithleoedd. Cysylltwch â'ch darparwr triniaeth wres i gael arweiniad llawn ar driniaeth wres dur gwanwyn.
Graddau Cyfartal o Dur Gwanwyn
GB | ISO | ASTM | UNS | JIS | DIN | BS |
65 | Math DC | 1064 | G10650 | SWRH67A SWRH67B SUP2 | C67 CK67 | 080A67 060A67 |
70 | Math DC | 1070 | G10700 | SWRH72A SWRH72B SWRS72B | CK75 | 070A72 060A72 |
85 | Math DC | 1084 1085 | G10840 G10850 | SUP3 | CK85 | 060A86 080A86 |
65Mn | Math 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. llarieidd-dra eg | 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 | -- |
Priodweddau Mecanyddol Gwialen Dur Gwanwyn
Gradd Dur | Cryfder Tynnol Rm (Mpa) | Cryfder Cynnyrch Rp0.2 (Mpa) | Elongation A5 (%) | Cymhareb Lleihau Ardal C (%) |
65 | 980 mun | 785 mun | 9 mun | 35 mun |
70 | 1030 mun | 835 mun | 8 mun | 30 mun |
85 | 1130 mun | 980 mun | 6 mun | 30 mun |
65Mn | 980 mun | 785 mun | 8 mun | 30 mun |
60Si2Mn | 1275 mun | 1180 mun | 5 mun | 25 mun |
50CrVA | 1275 mun | 1130 mun | 10 mun | 40 mun |
55SiCrA | 1450-1750 | 1300 mun | 6 mun | 25 mun |
60Si2CrA | 1765 mun | 1570 mun | 6 mun | 20 mun |
Rydym yn Cynnal Stoc A Chyflenwi Bariau Rownd Dur Carbon Dur & Gwialenni
Cyfansoddiad Cemegol (%) Gwialen Dur Gwanwyn
Gradd Dur | 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 uchafswm | 0.035 uchafswm | 0.25 uchafswm | 0.30 uchafswm | / | 0.25 uchafswm | / | / |
65 | 0.62-0.70 | 0.50-0.80 | 0.17-0.37 | 0.035 uchafswm | 0.035 uchafswm | 0.25 uchafswm | 0.25 uchafswm | / | 0.25 uchafswm | / | / |
70 | 0.62-0.75 | 0.50-0.80 | 0.17-0.37 | 0.035 uchafswm | 0.035 uchafswm | 0.25 uchafswm | 0.25 uchafswm | / | 0.25 uchafswm | / | / |
75 | 0.72-0.80 | 0.50-0.80 | 0.17-0.37 | 0.035 uchafswm | 0.035 uchafswm | 0.25 uchafswm | 0.30 uchafswm | / | 0.25 uchafswm | / | / |
85 | 0.95-1.04 | 0.40 uchafswm | 0.35 uchafswm | 0.025 uchafswm | 0.025 uchafswm | / | / | / | / | / | / |
65Mn | 0.62-0.70 | 0.90-1.20 | 0.17-0.37 | 0.035 uchafswm | 0.035 uchafswm | 0.25 uchafswm | 0.25 uchafswm | / | 0.25 uchafswm | / | / |
60Si2Mn | 0.56-0.64 | 0.70-1.00 | 1.50-2.00 | 0.035 uchafswm | 0.035 uchafswm | 0.35 uchafswm | 0.25 uchafswm | / | 0.25 uchafswm | / | / |
50CrVA | 0.46-0.54 | 0.50-0.80 | 0.17-0.37 | 0.025 uchafswm | 0.025 uchafswm | 0.80-1.10 | 0.35 uchafswm | / | 0.25 uchafswm | / | 0.10-0.20 |
55SiCrA | 0.51-0.59 | 0.50-0.80 | 1.20-1.60 | 0.025 uchafswm | 0.025 uchafswm | 0.50-0.80 | 0.35 uchafswm | / | 0.25 uchafswm | / | / |
60Si2CrA | 0.56-0.64 | 0.40-0.70 | 1.40-1.80 | 0.025 uchafswm | 0.025 uchafswm | 0.70-1.00 | 0.35 uchafswm | / | 0.25 uchafswm | / | / |
Triniaeth Gwres O Wialen Dur Gwanwyn
Gradd Dur | Tymheredd diffodd (°C) ( | Cyfryngau | Tymheredd Tymherus (°C) |
65 | 840 | olew | 500 |
70 | 830 | olew | 480 |
85 | 820 | olew | 480 |
65Mn | 830 | olew | 540 |
60Si2Mn | 870 | olew | 480 |
50CrVA | 850 | olew | 500 |
55SiCrA | 860 | olew | 450 |
60Si2CrA | 870 | olew | 420 |