Isi nke Runzọ mmiri
Ahịhịa ígwè ahụ dị mma maka ngwa mmiri dị iche iche gụnyere isi iyi dị iche iche, ihe eji egbuketa, na-egbu egbu, na-acha ọcha, na-acha ọcha, igwe na-acha. Mgbe okpomọkụ na-agwọ En42 okpomọkụ, gụnyere ọnụego kpo oku, jụrụ na oge na-acha, wdg ga-adị iche n'ihi ihe ọ bụla. Ihe ndị ọzọ na-atụle n'oge usoro ọgwụgwọ ọkụ gụnyere ụdị nke ọkụ, na-ajụ ajụ, na ebe a na-ahụ maka ọrụ. Biko gụgharịa ndị na-ahụ maka ọkụ na-eme maka nduzi zuru oke na ọgwụgwọ ọkụ nke mmiri mmiri.
Akara akara nke mmiri
| GB | Iso | Attm | Esizighi uru | Jis | Idide | BS |
| 65 | Pịnye DC | 1064 | G10650 | SWRH67A SWRH67B | C67 CK67 | 080A67 060A67 |
| 70 | Pịnye DC | 1070 | G10700 | SWRH72A SWRH72B Swrs72b | CK75 | 070A72 060A72 |
| 85 | Pịnye DC | 1084 1085 | G10840 g10850 | Sup3 | CK85 | 060A86 080A86 |
| 65mn | Pịnye DC | 1566 C1065 | G15660 | -- | 65mn4 | 080A67 |
| 55si2mn | 56Ser7 | 9255 | H92600 | Sup6 Super7 | 55SI7 | 251h60 250a53 |
| 55si2mn | -- | -- | -- | -- | -- | -- |
| 55SIMNVB | -- | -- | -- | -- | -- | -- |
| 60SI2MN | 61sucr7 | 9260 | H92600 | Supe6 | -- | 251h60 |
| 60SI2MN | 6 7 | -- | G92600 | Supe7 | 60SI7 60simn5 | 250a58 250a61 |
| 60SI2Mna | 61sicr7 7 | 9260h | H92600 | Sup6 Super7 | 60SR7 | 251h60 |
| 60SI2CRA | 55SR63 | -- | -- | Swasc-v | 60SR7 67SICR5 | 685h57 |
| 60SI2CRVA | -- | -- | -- | -- | -- | -- |
| 5scmna | 55cr3 8 | 5155 | H515555550 | Supe9 | 55cr3 | 525a58 527A60 |
| 60CRMNA | 55cr3 8 | 5160 | H51600 g51600 | Super9a Supp11A | 55cr3 | 527h60 527A60 |
| 60CRMNOA | 60RMO33 12 | 4161 | G41610 H41610 | Supp13 | 51crmov4 | 7055h60 80A60 |
| 50crva | 51crv44 13 | 6150 H51500 | G61500 | Supp10 | 50crv4 | 735a51 |
| 60CmNBBA | 60RB3 10 | 51B60 | H51601 g51601 | Supp11a | 58crmnb4 | -- |
| 30WCCR2VA | -- | -- | -- | -- | 30wcrv17.9 | -- |
Ngwongwo nke usoro mmiri
| Glag Grall | Tensile ike rm (MPA) | REPS ike RP0.2 (MPA) | Elongation A5 (%) | Mbelata mpaghara mpaghara c (%) |
| 65 | 980 min | 785 min | 9 min | 35 min |
| 70 | 1030 min | 835 min | 8 nkeji | 30 min |
| 85 | 1130 min | 980 min | Minito | 30 min |
| 65mn | 980 min | 785 min | 8 nkeji | 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 | Minito | 25 min |
| 60SI2CRA | 1765 min | 1570 min | Minito | 20 nkeji |
Anyị na-ejikwa ngwaahịa na-enye nke carbon steel carbon strachige stars & Rods
Ihe mejupụtara kemịkalụ (%) nke mmiri nchara
| Glag Grall | 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 | / | / |
Ngwọta ọkụ nke mmiri na-efe efe
| Glag Grall | Achịcha okpomoku (Celsius C) ( | Ntaakuko | Okpomoku di iche (Celsius C) |
| 65 | 840 | ite mmanu | 500 |
| 70 | 830 | ite mmanu | 480 |
| 85 | 820 | ite mmanu | 480 |
| 65mn | 830 | ite mmanu | 540 |
| 60SI2MN | 870 | ite mmanu | 480 |
| 50crva | 850 | ite mmanu | 500 |
| 55sicra | 860 | ite mmanu | 450 |
| 60SI2CRA | 870 | ite mmanu | 420 |
