Nkọwa nke Cold Rolled Steel Coil
A na-eji ihe mkpuchi ọkụ a na-akpọ "hot rolled coil" eme ihe mkpuchi oyi a na-akpọ "coil". N'oge a na-akpọ "coil" a na-akpọ "hot rolled coil" n'okpuru okpomọkụ a na-akpọ "recrystallization", a na-akpọkwa ígwè a na-akpọ "heat rolled coil" n'ọnọdụ okpomọkụ ụlọ. Mpempe akwụkwọ ígwè nwere nnukwu silicon nwere obere ike ịgbawa agbawa ma nwee obere ike, a na-achọkwa ka ọ dị ọkụ ruo 200 Celsius tupu a na-akpọ "coil" ...
Ngwakọta kemịkalụ nke eriri ígwè a na-akpọ Cold Rolled Steel
| Ọkwa ígwè | C | Mn | P | S | Al | |
| DC01 | SPCC | ≤0.12 | ≤0.60 | 0.045 | 0.045 | 0.020 |
| DC02 | SPCD | ≤0.10 | ≤0.45 | 0.035 | 0.035 | 0.020 |
| DC03 | SPCE | ≤0.08 | ≤0.40 | 0.030 | 0.030 | 0.020 |
| DC04 | SPCF | ≤0.06 | ≤0.35 | 0.025 | 0.025 | 0.015 |
Ihe onwunwe nke eriri ígwè a na-akpọ "Cold Rolled Steel Coil"
| Akara aha | Ike mmeputa RcL Mpa | Ike nrụgide Rm Mpa | Ogologo A80mm% | Nnwale mmetụta (ogologo) |
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| Okpomọkụ °C | Ọrụ mmetụta AKvJ |
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| SPCC | ≥195 | 315-430 | ≥33 |
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| Q195 | ≥195 | 315-430 | ≥33 |
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| Q235-B | ≥235 | 375-500 | ≥25 | 20 | ≥2 |
Oyi akpọrepu eriri igwe ọkwa
1. Akara China Nke Q195, Q215, Q235, Q275——Q—koodu nke ebe mmepụta (oke) nke ígwè nhazi carbon nkịtị, nke bụ ihe gbasara mkpụrụedemede ụda olu China mbụ nke "Qu"; 195, 215, 235, 255, 275 - n'otu n'otu na-anọchite anya uru nke ebe mmepụta ha (oke), nkeji: MPa MPa (N / mm2); n'ihi ihe onwunwe zuru oke nke ike ígwè Q235, plasticity, ike na ịgbado ọkụ na ígwè nhazi carbon nkịtị. Nke kachasị, ọ nwere ike imezu ihe achọrọ maka ojiji nke ọma, yabụ oke ojiji dị oke obosara.
2. Ụdị SPCC nke ndị Japan - Ígwè, P-Plate, C-oyi, nke anọ bụ C-common.
3. Ọkwa Germany ST12 - ST-steel (Ígwè), mpempe akwụkwọ ígwè a na-akpọ "cold-rolled" nke klas iri na abụọ.
Ojiji nke Oyi Rolled Steel Coil
Okporo ígwè oyi a na-akpọ "coil" nwere ezigbo arụmọrụ, ya bụ, site na ịpịgharị oyi, a na-enweta eriri oyi a na-akpọ "cool" na mpempe ígwè nwere ọkpụrụkpụ dị gịrịgịrị na nkenke ka elu, yana ịdị larịị, ịdị ire ụtọ elu dị elu, elu dị ọcha ma na-egbuke egbuke nke mpempe akwụkwọ oyi a na-akpọ "cool", yana mkpuchi dị mfe. Nhazi a na-akpọ "plated", ụdịdị, ojiji sara mbara, na njirimara nke arụmọrụ stamping dị elu na enweghị ike ịka nká, obere ebe mkpụrụ, yabụ mpempe akwụkwọ oyi a na-akpọ "cool" nwere ọtụtụ ojiji, nke a na-ejikarị eme ihe n'ụgbọala, drum ígwè e biri ebi, ihe owuwu, ihe owuwu ụlọ, igwe kwụ otu ebe, wdg. Ụlọ ọrụ ahụ bụkwa nhọrọ kacha mma maka imepụta mpempe ígwè a na-akpọ "organic".
Nhazi zuru ezu
