EN10305-1 E355 Tube a na-akpọ mma
Okwu Mmalite Ngwaahịa
Ọrụ ahaziri ahazi
JINYO bụ ebe nrụpụta dị elu, anyị na-ejikwa teknụzụ mmepụta dị elu na usoro njikwa mma iji hụ na ọkpọkọ ọ bụla a na-akụnye n'ime ya na-emezu ụkpụrụ ịdị mma anyị siri ike. Site na nhọrọ ihe ruo na nyocha ikpeazụ, anyị na-agba mbọ ịnye ọkpọkọ a na-akụnye n'ime ya nke gafere atụmanya ndị ahịa anyị.
JINYO nwere ndị otu akụrụngwa na teknụzụ zuru oke, na mgbakwunye na inye ọkpọkọ honing nha ọkọlọtọ, ọ nwekwara ike hazie ọkpọkọ honing. Ọrụ anyị ahaziri ahazi na-ekpuchi akụkụ niile site na imewe, nrụpụta ruo nhazi mgbe emechara, anyị nwekwara ike inye azịza ahaziri ahazi dịka ihe ndị ahịa chọrọ si dị. Na nkenke, ọkpọkọ anyị a na-akpọ "granded tubes" dị mma maka ojiji hydraulic cylinder ma na-agba mbọ inye ndị ahịa ihe dị mkpa nke sistemụ hydraulic dị elu, nke a pụrụ ịtụkwasị obi nke ukwuu.
Paramita ngwaahịa
| Ihe mejupụtara kemịkalụ (%) | |||||||||
| Ọkwa ígwè | c | NA | Mn | P | S | Cr | Na | Na | AI |
| ≤ | ≥ | ||||||||
| C20 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.25 | 0.25 | - | - |
| CK45 | 0.42-0.5 | 0.17-0.37 | 0.5-0.8 | 0.025 | 0.02 | 0.25 | 0.3 | - | |
| Q355B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | 0.03 | 0.25 | 0.08 | — |
| Q355D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | 0.25 | 0.25 | 0.15 | 0.015 |
| E355 (ST52) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.25 | 0.25 | — | — |
| SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.6-0.9 | 0.04 | 0.05 | - | — | - | |
| 4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0.04 | 0.04 | 0.80-1.10 | — | — | |
| 4140 | 0.36-0.43 | 0.15-0.35 | 0.75-1.00 | 0.04 | 0.04 | 0.80-1.10 | |||
| Ngwongwo Mekaniki | |||||
| Ọnọdụ nnyefe | oyi emechara (siri ike) (BK) | Oyi na-adọta ma belata nrụgide (BK+S) | |||
| Ọkwa ígwè | Rm MPa | Ogologo A5(%) | Rm MPa | ReH MPa | Ogologo A5(%) |
| C20 | ≥550 | ≥5 | ≥520 | ≥375 | ≥15 |
| CK45 | ≥645 | ≥5 | ≥600 | ≥520 | ≥10 |
| Q355B | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
| Q355D | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
| E355 (ST52) | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
| SAE1026 | ≥640 | ≥5 | ≥600 | ≥520 | ≥15 |
| Ntachi obi na ID (mm) | ||||
| Ndidi | Nnwere Onwe LD | Ntachi obi nke mgbidi | ||
| Nha nke ID | H8 | H9 | H10 | ọkpụrụkpụ (OD) |
| 30 | 0.033 | 0.052 | 0.084 |
≥120mm ±7.5% >210mm ±10% |
| >30-50 | 0.039 | 0.062 | 0.1 | |
| >50-80 | 0.046 | 0.074 | 0.12 | |
| >80-120 | 0.054 | 0.087 | 0.14 | |
| >120-180 | 0.063 | 0.1 | 0.16 | |
| >180-250 | 0.072 | 0.115 | 0.185 | |
| >250-315 | 0.081 | 0.13 | 0.21 | |
| >315-400 | 0.089 | 0.14 | 0.23 | |
Atụmatụ Ngwaahịa
Usoro nrụpụta tube a ma ama
Ngosipụta Ngwaahịa
Nnyocha na nkwakọ ngwaahịa
