Nkọwa
Igwe mmiri mmiri na-ezo aka nchara n'ihi ngbanwe dị na ọnọdụ na-ekpo ọkụ na nke na-ekpo ọkụ, na kpọmkwem maka ịmepụta isi iyi na ihe ndị na-agbanwe agbanwe. Mmiri mmiri na-adabere n'ikike ya na-agbanwe agbanwe, ya bụ, n'ime usoro iwu kwadoro, ikike nke iguzogide ụfọdụ nrụrụ na-agbanwe agbanwe ka ibu ahụ ghara ime na nrụrụ na-adịgide adịgide mgbe ewepụrụ ibu ahụ.
Ngwa
A na-eji osisi ewepụghị mmiri nchara n'ọtụtụ ebe na ngwa akpaaka, nrụpụta akpaaka, ngwa ngwaike, nrụpụta yinye na ụlọ ọrụ nrụpụta ndị ọzọ.
Ntụnyere ọkwa niile
| GB | ASTM | JIS | ISO | DIN | BS | ANFR | GOST |
| 65# | 1065 | / | Ụdị DC, SC | CK67 | 060A67 | XC65 | 65 |
| 70# | 1070 | / | Ụdị DC, SC | / | 070A72 | XC70 | 70 |
| 85# | 1086 | SUP3 | Ụdị DC, SC | CK85 | 060A86 | XC85 | 85 |
| 65 nde | 1066 | / | / | / | 080A67 | / | 65Γ |
| 60Si2Mn | 9260 | SUP6, SUP7 | 61SiCr7 | 60SiCr7 | Z51A60 | 60Si7 | 60C2 |
| 60Si2CrA | 9254 | SUP12 | 55SiCr63 | / | / | / | 60C2XA |
| 55CrMnA | 5155 | SUP9 | 55Cr3 | 55Cr3 | 525A58 | 55Cr3 | / |
| 60CrMnBA | 51B60 | SUP11A | 60CrB3 | / | / | / | 55XP |
| 60CrMnMoA | 4161 | SUP13A | 60CrMo33 | 60CrMo4 | 705A60 | / | / |
| 50CrVA | 6150 | SUP10A | 51CrV4 | 50CrV4 | 735A51 | 51CrV4 | 50CrΦA |
Ngwaahịa ndị ọzọ dị nke High Carbon Spring Steel Bar & Rod
| Mmiri Steel mkpara | AISI Mmiri Steel Bright mkpanaka | Mpekere Carbon dị elu akpara akpa | Mmiri Steel Carbon Steel gburugburu mkpanaka |
| Mgbanaka Carbon Steel Round | ASME, ASTM Carbon Steel Spring Steel Round Rods | Ihe Ogwe Carbon Spring Steel Rods | AISI Spring Steel Bright Bar |
| Ogwe osisi ejirila Carbon dị elu | Mmiri Steel Carbon Steel Round Bars | Carbon Steel gburugburu Ogwe | ASME, ASTM Carbon Steel Spring Steel Round Bars |
| Mkpanaka Carbon Steel | ASTM Carbon Steel Spring Steel Black Rods | JIS CS mkpanaka | Carbon Steel Spring Steel Flat mkpanaka |
| Carbon Steel Square Rods | Mpekere Carbon Steel Spring Steel eriri eriri | Carbon Steel Bar na-eduga | ASTM Carbon Steel Spring Steel Black Bar |
| JIS CS Bar | Carbon Steel Spring Steel Flat Bar | Carbon Steel Square Bar | Nnukwu Carbon Steel Spring Steel Threaded Bar |
