TH2101000505A - High Strength Hot Rolled Prepainted Steel Plate - Google Patents
High Strength Hot Rolled Prepainted Steel PlateInfo
- Publication number
- TH2101000505A TH2101000505A TH2101000505A TH2101000505A TH2101000505A TH 2101000505 A TH2101000505 A TH 2101000505A TH 2101000505 A TH2101000505 A TH 2101000505A TH 2101000505 A TH2101000505 A TH 2101000505A TH 2101000505 A TH2101000505 A TH 2101000505A
- Authority
- TH
- Thailand
- Prior art keywords
- less
- steel plate
- strength hot
- high strength
- hot rolled
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract 7
- 239000010959 steel Substances 0.000 title claims abstract 7
- 239000012535 impurity Substances 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims abstract 2
- 239000000126 substance Substances 0.000 claims abstract 2
- 239000011247 coating layer Substances 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910000734 martensite Inorganic materials 0.000 abstract 1
Abstract
บทสรุปการประดิษฐ์ซึ่งจะปรากฏบนหน้าประกาศโฆษณาReadFile:แผ่นเหล็กกล้าเคลือบชนิด'รีดร้อนความแรงสูงซึ่งมีTSค่า980เมกะพาสคัลหรือมากกว่าความสามารถขึ้นรูปโป่งนูนได้ดีและความสามารถขึ้นรูปส่วนหน้าแปลนด้วยการยืดดึงได้ดีเยี่ยมและความสามารถเคลือบได้ได้รับการจัดเตรียมขึ้นแผ่นเหล็กกล้าเคลือบชนิดรีดร้อนความแข็งแรงสูงที่รวมถึงแผ่นเหล็กกล้าซึ่งมีองค์ประกอบทางเคมีซึ่งมีปริมาณในหน่วย%โดยมวลของC:0.03%ถึง0.09%,Si:0.01%ถึง1.60%,Mn:2.20%ถึง3.60%,P:0.100%หรือน้อยกว่า,S:0.0100%หรือน้อยกว่า,Ti:0.05%ถึง0.18%,B:0.0005%ถึง0.0050%,A1:0.005%ถึง0.40%,N:0.010%หรือน้อยกว่าและปริมาณที่ทำให้ได้ดุลของFeและสิ่งเจือปนที่ไม่สามารถหลีกเลี่ยงได้ที่ซึ่งค่าCSMที่แสดงในสมการ33.8[%C][%Mn]+12.4[%Si]/[%Mn]คือ3.3ถึง12.0และโครงสร้างจุลภาคเหล็กกล้าซึ่งมีไบไนต์ในปริมาณ85%หรือมากกว่าในเทอมของสัดส่วนพื้นที่และมาร์เทนไซด์ในปริมาณค่า2.0%หรือมากกว่าและ15.0%หรือน้อยกว่าในเทอมของสัดส่วนพื้นที่และรวมถึงชั้นเคลือบหรือชั้นเคลือบโลหะผสมบนพื้นผิวของแผ่นเหล็กกล้า The summary of the invention which appears on the advertisement page ReadFile: High-strength hot-rolled coated steel plate with a TS of 980MPa or more, good convexity and flange formability. Excellent tensile strength and laminability have been provided for high-strength hot-rolled coated steel plates including steel plates with chemical composition content in % by mass of C: 0.03% to. 0.09%, Si: 0.01% to 1.60%, Mn: 2.20% to 3.60%, P: 0.100% or less, S: 0.0100% or less, Ti: 0.05% to 0.18%, B: 0.0005% to 0.0050%. ,A1:0.005% to 0.40%,N:0.010% or less, and the balance content of Fe and impurities that cannot be avoided at the CSM value shown in Equation 33.8[%C][%Mn. ]+12.4[%Si]/[%Mn] is 3.3 to 12.0, and the steel microstructure contains binite in the amount of 85% or more in terms of area fraction and martensite in the amount of 2.0% or more. and 15.0% or less in terms of area proportion and including the coating layer or alloy coating layer on the surface of the steel plate.
Claims (3)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TH2101000505A true TH2101000505A (en) | 2022-01-31 |
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