TH171199B - Hot rolled steel plates for magnetic poles and their manufacturing methods. Including rim parts for hydroelectric generators - Google Patents

Hot rolled steel plates for magnetic poles and their manufacturing methods. Including rim parts for hydroelectric generators

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Publication number
TH171199B
TH171199B TH1701003111A TH1701003111A TH171199B TH 171199 B TH171199 B TH 171199B TH 1701003111 A TH1701003111 A TH 1701003111A TH 1701003111 A TH1701003111 A TH 1701003111A TH 171199 B TH171199 B TH 171199B
Authority
TH
Thailand
Prior art keywords
rolled steel
magnetic poles
steel plates
hot rolled
manufacturing methods
Prior art date
Application number
TH1701003111A
Other languages
Thai (th)
Other versions
TH171199A (en
Original Assignee
เจเอฟอี สตีล คอร์ปอเรชั่น
Filing date
Publication date
Application filed by เจเอฟอี สตีล คอร์ปอเรชั่น filed Critical เจเอฟอี สตีล คอร์ปอเรชั่น
Publication of TH171199B publication Critical patent/TH171199B/en
Publication of TH171199A publication Critical patent/TH171199A/en

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Claims (1)

1. แผ่นเหล็กกล้ารีดร้อนสำหรับขั้วแม่เหล็กซึ่งมีลักษณะจำเพาะคือมีองค์ประกอบที่ประกอบด้วย C 0.02% ขึ้นไปไม่เกิน 0.12%, Si: 0.1% ขึ้นไปไม่เกิน 0.7%, Mn: 0.8% ขึ้นไปไม่เกิน 1.6%, P: ไม่เกิน 0.03%, S: ไม่เกิน 0.005%, Al: ไม่เกิน 0.08%, N: ไม่เกิน 0.006%,Nb: 0.06%ขึ้น ไปไม่เกิน 0.20% ด้วย % โดยมวล ส่วนที่เหลือเป็น Fe และสิ่งแปลกปลอมที่ไม่สามารถหลีก เลี่ยงได้ โดยมีโครงสร้างซึ่งเฟสเฟอร์ไรต์เป็น 98% ขึ้นไปด้วยอัตราส่วนพื้นที่ :1. Hot-rolled steel sheet for magnetic poles having specific characteristics that are composed of C 0.02% and not more than 0.12%, Si: 0.1% up to 0.7%, Mn: 0.8% up to 1.6%, P : Not more than 0.03%, S: not more than 0.005%, Al: not more than 0.08%, N: not more than 0.006%, Nb: 0.06% or more, not more than 0.20% by% with the residual mass of Fe and a foreign matter It cannot be avoided with a structure in which the ferrite phase is 98% or more with an area ratio:
TH1701003111A 2015-11-20 Hot rolled steel plates for magnetic poles and their manufacturing methods. Including rim parts for hydroelectric generators TH171199A (en)

Publications (2)

Publication Number Publication Date
TH171199B true TH171199B (en) 2017-12-07
TH171199A TH171199A (en) 2017-12-07

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