TH162281B - Hot rolled steel sheet and how to produce it - Google Patents
Hot rolled steel sheet and how to produce itInfo
- Publication number
- TH162281B TH162281B TH1501006833A TH1501006833A TH162281B TH 162281 B TH162281 B TH 162281B TH 1501006833 A TH1501006833 A TH 1501006833A TH 1501006833 A TH1501006833 A TH 1501006833A TH 162281 B TH162281 B TH 162281B
- Authority
- TH
- Thailand
- Prior art keywords
- less
- rolled steel
- steel sheet
- hot rolled
- produce
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract 3
- 239000010959 steel Substances 0.000 title claims abstract 3
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910000734 martensite Inorganic materials 0.000 abstract 2
- 239000000356 contaminant Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
Abstract
การประดิษฐ์นี้ จัดให้มี แผ่นเหล็กกล้ารีดร้อน ในที่ซึ่ง องค์ประกอบผสมด้วย ธาตุ ต่อไปนี้ ในปริมาณ ร้อยละโดยมวลC: 0.01 ถึง 0.2%; Si; 2.5% หรือน้อยกว่า, Mn: 4.0%หรือ น้อยกว่า,P: 0.10%หรือน้อยกว่า,S: 0.03%หรือน้อยกว่า,AI: 0.001% ถึง 2.0%,N: 0.01%หรือ น้อยกว่า,O: 0.01% หรือน้อยกว่า, Ti: 0.01 ถึง 0.30% และสมดุลประกอบด้วย เหล็ก และสารปนเปื้อน และโครงสร้าง ประกอบด้วย มาร์เทนไซต์คืนไฟ ที่มีอัตราส่วนลักษณะเฉลี่ยเท่ากับ 2 หรือน้อยกว่า หรือทั้งมาร์เทนไซต์ คืนไฟ และ โลเวอร์ เบนไนต์ ทั้งหมด 90% หรือมากกว่า ตามสัดส่วนโดย ปริมาตร: This invention provides hot-rolled steel sheets where the composition is mixed with the following elements in percent by mass C: 0.01 to 0.2%; Si; 2.5% or less, Mn: 4.0% or less, P. : 0.10% or less, S: 0.03% or less, AI: 0.001% to 2.0%, N: 0.01% or less, O: 0.01% or less, Ti: 0.01 to 0.30% and the balance contains iron and Contaminants and structures contain the martensite, night fire With a mean characteristic ratio of 2 or less, or both the restored martensite and all lowerbennite are 90% or more proportionally by volume:
Claims (1)
Publications (3)
| Publication Number | Publication Date |
|---|---|
| TH1501006833A TH1501006833A (en) | 2017-05-04 |
| TH162281B true TH162281B (en) | 2017-05-04 |
| TH162281A TH162281A (en) | 2017-05-04 |
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