Overview of Bihar Steel Round
Barê biharê ya biharê ji bo cûrbecûr serîlêdanên biharê, di nav de avahiyên birrînê, kulikan, kavilên doktor, dîtin, amûrên çandiniyê, şilav, şirîn, şirîn, şirîn, amûrên masonry. Dema ku germbûna germahiyên EN42, di nav de rêjeya germkirin, germbûn û soaking, hwd. Fikirên din ên di dema pêvajoya dermankirinê de celeb celebek furnace, tesîsên navînî, û xebatê yên veguhastinê hene. Ji kerema xwe ji bo rêberiya tevahî ya li ser dermankirina germê ya Steelsên Bihar, ji we re şêwirmendiya dermankirina xwe bişêwirin.
Polên wekhev ên biharê yên biharê
GB | Iso | Astm | Şik | Jis | Din | BS |
65 | Type DC | 1064 | G10650 | SWRH67A SWRH67B sup2 | C67 CK67 | 080a67 060A67 |
70 | Type DC | 1070 | G10700 | SWRH72A SWRH72B SWRS72B | CK75 | 020A72 060A72 |
85 | Type DC | 1084 1085 | G10840 G10850 | Sup3 | CK85 | 060a86 080a86 |
65mn | Type 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 2550A61 |
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 | -- |
Taybetmendiyên mekanîkî yên rovî ya biharê
Pola Steel | Hêza Tensile RM (MPa) | Hêza RP0.2 (MPA) | Elongation A5 (%) | Rêjeya Rêjeya Rêjeya 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 |
Em bars û rahijên dorpêçê yên biharê yên karbonê û peyda dikin
Berhevoka kîmyewî (%) ya rovî ya biharê
Pola Steel | 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 | 0772-0.80 | 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 | / | / |
Dermankirina germê ya roviya Steel Spring
Pola Steel | Germahiya quenching (° C) ( | Medya | Germahiya nermîn (° C) |
65 | 840 | rûn | 500 |
70 | 830 | rûn | 480 |
85 | 820 | rûn | 480 |
65mn | 830 | rûn | 540 |
60Si2mn | 870 | rûn | 480 |
50crva | 850 | rûn | 500 |
55sicra | 860 | rûn | 450 450 |
60Si2Cra | 870 | rûn | 420 |
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