Maelezo ya jumla ya bar ya chuma ya Spring
Baa ya Duru ya Chuma cha Spring inafaa kwa anuwai ya matumizi ya chemchemi ikiwa ni pamoja na chemchem za gorofa, vifuniko, visu, vile vile vya Daktari, vile vile vya zana, zana za kilimo, saw za kukata kuni, shims, visu, vile, shims, washer, zana za uashi. Wakati joto linatibu joto la EN42, pamoja na kiwango cha kupokanzwa, baridi na nyakati za kuloweka, nk zitatofautiana kwa sababu ya sababu kama sura na saizi ya kila sehemu. Mawazo mengine wakati wa mchakato wa matibabu ya joto ni pamoja na aina ya tanuru, kuzima kati, na vifaa vya uhamishaji wa kazi. Tafadhali wasiliana na mtoaji wako wa matibabu ya joto kwa mwongozo kamili juu ya matibabu ya joto ya miiko ya chemchemi.
Daraja sawa za chuma cha chemchemi
GB | ISO | ASTM | UNS | JIS | DIN | BS |
65 | Aina DC | 1064 | G10650 | SWRH67A SWRH67B Sup2 | C67 CK67 | 080A67 060A67 |
70 | Aina DC | 1070 | G10700 | SWRH72A SWRH72B SWRS72B | CK75 | 070A72 060A72 |
85 | Aina DC | 1084 1085 | G10840 G10850 | Sup3 | CK85 | 060A86 080A86 |
65mn | Aina 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 | -- |
Tabia ya mitambo ya fimbo ya chuma ya chemchemi
Daraja la chuma | Nguvu tensile RM (MPA) | Mazao ya Nguvu RP0.2 (MPA) | Elongation A5 (%) | Uwiano wa kupunguza eneo C (%) |
65 | 980 min | 785 min | 9 min | 35 min |
70 | 1030 min | 835 min | 8 min | Dakika 30 |
85 | 1130 min | 980 min | 6 min | Dakika 30 |
65mn | 980 min | 785 min | 8 min | Dakika 30 |
60Si2mn | 1275 min | 1180 min | 5 min | 25 min |
50crva | 1275 min | 1130 min | Dakika 10 | 40 min |
55sicra | 1450-1750 | 1300 min | 6 min | 25 min |
60Si2cra | 1765 min | 1570 min | 6 min | 20 min |
Tunadumisha hisa na usambazaji wa chuma cha chuma cha kaboni cha chuma na viboko
Muundo wa kemikali (%) ya fimbo ya chuma ya chemchemi
Daraja la chuma | 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 | / | / |
Matibabu ya joto ya fimbo ya chuma ya chemchemi
Daraja la chuma | Joto la kuzima (° C) ( | Media | Joto la joto (° C) |
65 | 840 | mafuta | 500 |
70 | 830 | mafuta | 480 |
85 | 820 | mafuta | 480 |
65mn | 830 | mafuta | 540 |
60Si2mn | 870 | mafuta | 480 |
50crva | 850 | mafuta | 500 |
55sicra | 860 | mafuta | 450 |
60Si2cra | 870 | mafuta | 420 |
-
Mtoaji wa bar ya chuma
-
Kiwanda cha chuma cha EN45/EN47/EN9
-
Mtengenezaji wa zana ya kasi ya juu
-
M35 BAR ya chuma ya kasi ya juu
-
M7 kasi ya juu chombo cha chuma pande zote
-
Kiwanda cha T1 cha kasi ya juu
-
12L14 bar ya chuma ya kukata bure
-
Baa ya bure ya chuma-inayokatwa/bar ya hex
-
Kiwanda cha chuma cha GCR15Simn nchini China
-
GCR15 kuzaa bar ya chuma