Nkọwa nke Cold Rolled Steel Coil
A na-eji eriri igwe na-ekpo ọkụ na-ekpo ọkụ mee eriri igwe oyi. N'ime usoro a na-atụgharị oyi, a na-atụgharị eriri igwe na-ekpo ọkụ n'okpuru okpomọkụ recrystallization, na a na-atụgharị ígwè a na-atụgharịkarị na ụlọ okpomọkụ. Mpempe igwe nwere ọdịnaya silicon dị elu nwere obere nhịkọ na obere plasticity, ọ dịkwa mkpa ka akpọọ ya ọkụ ruo 200 Celsius C tupu oyi na-atụgharị. Ebe ọ bụ na igwe oyi na-ekpo ọkụ anaghị ekpo ọkụ n'oge mmepụta ihe, ọ dịghị ntụpọ dị ka pitting na ígwè oxide nke a na-ahụkarị na ntụgharị ọkụ na-ekpo ọkụ, na mma elu na njedebe dị mma.
Ngwakọta kemịkalụ nke igwe igwe oyi akwa
| 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 |
Ngwongwo arụrụ arụ nke igwe igwe oyi a na-atụgharị
| Ụdị | Mpụta ike RcL Mpa | Ike tensile Rm Mpa | Elongation A80mm% | Nnwale mmetụta (longitudinal) |
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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 |
Ọkwa Igwe Igwe Oyi
1. The Chinese ika No. Q195, Q215, Q235, Q275——Q — koodu nke mkpụrụ ebe (oke) nke nkịtị carbon structural ígwè, nke bụ ikpe nke mbụ Chinese phonetic mkpụrụedemede nke "Qu"; 195, 215, 235, 255, 275 - n'otu n'otu na-anọchi anya uru nke ha mkpụrụ ebe (oke), unit: MPa MPa (N / mm2); n'ihi keukwu n'ibu Njirimara nke Q235 ígwè ike, plasticity, siri ike na weldability na nkịtị carbon structural ígwè Kacha, ọ pụrụ mma izute izugbe chọrọ nke ojiji, ya mere akporo ngwa bụ nnọọ obosara.
2. Japanese ika SPCC - Steel, P-Plate, C-oyi, nke anọ C-nkịtị.
3. Germany ọkwa ST12 - ST-steel (Steel), 12-klas oyi-akpọrepu ígwè mpempe akwụkwọ.
Ngwa nke Cold Rolled Steel Coil
Igwe oyi na-atụ oyi na-arụ ọrụ nke ọma, ya bụ, site na ntụgharị oyi, eriri oyi na-ekpo ọkụ na mpempe ígwè nwere oke dị ntakịrị na nkenke dị elu nwere ike nweta ya, na-enwe ogologo ogologo, ịdị elu dị elu, dị ọcha ma na-egbuke egbuke nke mpempe akwụkwọ oyi. , na mkpuchi dị mfe. The plated nhazi, iche iche, obosara ojiji, na e ji mara elu stamping arụmọrụ na-abụghị ịka nká, ala mkpụrụ n'ókè, otú oyi akpọrepu mpempe akwụkwọ nwere a dịgasị iche iche nke ojiji, tumadi ji ụgbọ ala, e biri ebi ígwè drum, ewu, ụlọ ihe. igwe igwe, wdg. Ụlọ ọrụ ahụ bụkwa nhọrọ kachasị mma maka ịmepụta akwa akwa akwa akwa organic.
Nkọwa nkọwa
