Claims (13)
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 나머지 성분이 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: from 0.0005% by weight to 0.005% by weight, Al: up to 0.1% by weight, P: up to 0.1% by weight, S: up to 0.02% by weight, N: up to 0.005% by weight, and the remaining components are iron and unavoidable impurities High strength steel sheet for forming processing consisting of.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 또한 V : 0.02중량%로 부터 0.2중량%까지, Nb : 0.02중량%로 부터 0.2중량%까지, Zr : 0.02중량%로부터 0.2중량%까지 중의 1이상의 성분을 가지며, 나머지 성분이 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: 0.0005% by weight to 0.005% by weight, Al: up to 0.1% by weight, P: up to 0.1% by weight, S: up to 0.02% by weight, N: up to 0.005% by weight, and V: 0.02% by weight To 0.2% by weight, Nb: from 0.02% to 0.2% by weight, Zr: from 0.02% to 0.2% by weight of at least one of the components, the remaining high strength steel sheet for forming and processing is composed of iron and inevitable impurities.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 또한 Cr : 0.05중량%로부터 1.5중량%까지, Nr : 0.05중량%로부터 2.0중량5까지, Mo : 0.05중량%로부터 1.0중량%까지, Cu : 0.05중량%로부터 1.5중량%까지 중의 1이상의 성분을 가지며 나머지 성분이 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: from 0.0005% by weight to 0.005% by weight, Al: up to 0.1% by weight, P: up to 0.1% by weight, S: up to 0.02% by weight, N: up to 0.005% by weight, and Cr: from 0.05% by weight Up to 1.5% by weight, Nr: 0.05% to 2.0% 5, Mo: 0.05% to 1.0% by weight, Cu: 0.05% to 1.5% by weight of at least one component and the remaining components are iron and unavoidable impurities High strength steel sheet for forming processing consisting of.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Al :0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 또한 V : 0.02중량%로 부터 0.2중량%까지, Nb : 0.02중량%로 부터 0.2중량%까지, Zr : 0.02중량%로부터 0.2중량%까지 중의 1이상의 성분과, Cr : 0.05중량%로부터 1.5중량%까지, Ni : 0.05중량%로부터 2.0중량%까지, Mo : 0.05중량%로부터 1.0중량%까지, Cu : 0.05중량%로 부터 1.5중량%까지 중의 1이상의 성분을 가지며 나머지 성분이 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: 0.0005% to 0.005% by weight, Al: 0.1% by weight, P: 0.1% by weight, S: 0.02% by weight, N: 0.005% by weight, and V: 0.02% by weight To 0.2% by weight, Nb: 0.02% to 0.2% by weight, Zr: 0.02% to 0.2% by weight of at least one component, Cr: 0.05% to 1.5% by weight, Ni: 0.05% by weight To 2.0% by weight, Mo: 0.05% to 1.0% by weight, Cu: 0.05% by weight to 1.5% by weight of at least one of the components, and the remaining components are composed of iron and inevitable impurities.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Ca : 0.005중량%로부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 나머지 성분이 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: 0.0005% by weight to 0.005% by weight, Ca: 0.005% by weight to 0.005% by weight, Al: 0.1% by weight, P: 0.1% by weight, S: 0.02% by weight, N: 0.005% by weight High strength steel sheet for forming processing up to%, with the remaining components consisting of iron and inevitable impurities.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Ca : 0.005중량%로부터 0.05중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 또한 V : 0.02중량%로부터 0.2중량%까지, Nb : 0.02중량%로부터 0.2중량%까지, Zr : 0.02중량%로부터 0.2중량%까지 중의 1이상의 성분을 가지며 나머지 성분의 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: 0.0005% to 0.005% by weight, Ca: 0.005% to 0.05%, Al: 0.1% by weight, P: 0.1% by weight, S: 0.02% by weight, N: 0.005% by weight %, And from V: 0.02% to 0.2% by weight, Nb: 0.02% by weight to 0.2% by weight, Zr: 0.02% by weight to 0.2% by weight of at least one of the components and iron and unavoidable impurities High strength steel sheet for forming processing consisting of.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Ca : 0.005중량%로부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 또한 Cr : 0.05중량%로부터 1.5중량%까지, Ni : 0.05중량%로부터 2.0중량%까지, Mo : 0.05중량%로부터 1.0중량%까지, Cu : 0.05중량%로 부터 1.5중량%까지 중의 1이상의 성분을 가지며 나머지 성분의 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: 0.0005% by weight to 0.005% by weight, Ca: 0.005% by weight to 0.005% by weight, Al: 0.1% by weight, P: 0.1% by weight, S: 0.02% by weight, N: 0.005% by weight %, From 0.05% to 1.5% by weight of Cr, from 0.05% to 2.0% by weight of Ni, from 0.05% to 1.0% by weight of Mo, and from 0.05% to 1.5% by weight of Cu: 0.05% by weight. High strength steel sheet for forming and processing, which has at least one component and consists of iron and inevitable impurities of the remaining components.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Ca : 0.005중량%로부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지이며, 또한 V : 0.02중량%로부터 0.2중량%까지, Nb : 0.02중량%로부터 0.2중량%까지, Zr : 0.02중량%로부터 0.2중량%까지 Cr : 0.05중량%로부터 1.5중량%까지, Ni : 0.05중량%로부터 2.0중량%까지, Mo : 0.05중량%로부터 1.0중량%까지, Cu : 0.05중량%로부터 1.5중량%까지 중의 1이상의 성분을 가지며, 나머지 성분의 철과 불가피한 불순물로 구성되는 성형 가공용 고강도 강판.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: 0.0005% by weight to 0.005% by weight, Ca: 0.005% by weight to 0.005% by weight, Al: 0.1% by weight, P: 0.1% by weight, S: 0.02% by weight, N: 0.005% by weight %, From 0.02% to 0.2% by weight, Nb: from 0.02% to 0.2% by weight, Zr: from 0.02% to 0.2% by weight Cr: from 0.05% to 1.5% by weight Ni: High strength for molding processing having at least one component from 0.05% to 2.0% by weight, Mo: 0.05% to 1.0% by weight, Cu: 0.05% to 1.5% by weight, and consisting of iron and inevitable impurities of the remaining components Grater.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지를 함유하는 강 슬라브를 소재로 하여, 상기 강 슬라브를 1100℃이상 1280℃이하의 온도에서 가열한 후, 열간압연하여 열간압연강판을 얻는 것을 특징으로 하는 성형 가공용 고강도 강판의 제조방법.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: from 0.0005% to 0.005% by weight, Al: up to 0.1% by weight, P: up to 0.1% by weight, S: up to 0.02% by weight, and N: up to 0.005% by weight And heating the steel slab at a temperature of 1100 ° C. or more and 1280 ° C. or less, followed by hot rolling to obtain a hot rolled steel sheet.
전술한 청구범위 제9항에 기재된 열간 압연에 이어, 전기 도금 또는 용융(hot-dip)도금을 행하는 것을 특징으로 하는 성형 가공용 고강도 강판의 제조방법.Following the hot rolling according to claim 9, electroplating or hot-dip plating is performed to produce a high strength steel sheet for forming.
C : 0.01중량%로 부터 0.1중량%미만, Si : 0.1중량%로 부터 1.2중량%까지 Mn : 3.0중량%까지, Ti : 하기 식으로 표현되는 유효*Ti(중량%)와 상기 C(중량%)와의 비 즉, 유효*Ti(중량%)/C(중량%)가 4 내지 12, 단 유효*Ti(중량%)=Ti(중량%)-1.5S(중량%)-3.43N(중량%), B : 0.0005중량%로 부터 0.005중량%까지, Al : 0.1중량%까지, P : 0.1중량%까지, S : 0.02중량%까지, N : 0.005중량%까지를 함유하는 강 슬라브를 소재로 하여, 상기 강 슬라브를 1100℃이상 1280℃이하의 온도에서 가열한 후, 열간압연하과, 냉간압연을 한 후 재결정 온도 이상에서 소둔하는 것을 특징으로 하는 성형 가공용 고강도 강판의 제조방법.C: 0.01% to less than 0.1% by weight, Si: 0.1% to 1.2% by weight Mn: to 3.0% by weight, Ti: effective represented by the following formula * Ti (% by weight) and the above C (% by weight) Ratio, ie, effective * Ti (% by weight) / C (% by weight) is 4 to 12, but effective * Ti (% by weight) = Ti (% by weight)-1.5S (% by weight)-3.43 N (% by weight) ), B: from 0.0005% to 0.005% by weight, Al: up to 0.1% by weight, P: up to 0.1% by weight, S: up to 0.02% by weight, and N: up to 0.005% by weight And heating the steel slab at a temperature of 1100 ° C. or more and 1280 ° C. or less, followed by hot rolling and cold rolling, followed by annealing at a recrystallization temperature or more.
전술한 청구범위 제11항에 기재된 소둔에 이어, 전기 도금 또는 용융 도금을 행하는 것을 특징으로 하는 성형 가공용 고강도 강판의 제조방법.Following the annealing as recited in claim 11, electroplating or hot-dip plating is carried out.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.