TH167381B - Mold for hot forming, galvanized steel sheet. - Google Patents
Mold for hot forming, galvanized steel sheet.Info
- Publication number
- TH167381B TH167381B TH1601006295A TH1601006295A TH167381B TH 167381 B TH167381 B TH 167381B TH 1601006295 A TH1601006295 A TH 1601006295A TH 1601006295 A TH1601006295 A TH 1601006295A TH 167381 B TH167381 B TH 167381B
- Authority
- TH
- Thailand
- Prior art keywords
- hot forming
- galvanized steel
- mold
- steel sheet
- less
- Prior art date
Links
- 229910001335 Galvanized steel Inorganic materials 0.000 title claims 4
- 239000008397 galvanized steel Substances 0.000 title claims 4
- 229910003481 amorphous carbon Inorganic materials 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Abstract
แม่พิมพ์สำหรับการขึ้นรูปร้อนแผ่นเหล็กกล้าที่ชุบด้วยสังกะสีโดยที่อย่างน้อยส่วนของแม่พิมพ์ ที่สัมผัสกับแผ่นเหล็กกล้าที่ชุบด้วยสังกะลีในระหว่างการขึ้นรูปร้อนถูกปกคลุมด้วยฟิล์มคาร์บอนอ สัญฐานที่เป็นไปตามสี่เงื่อนไขต่อไปนี้ (1) ความหนาของฟิล์มคือ 0.5 (สูตร)m หรือมากกว่า (2) ความหยาบ เฉลี่ยเลขคณิต (Ra) ของพื้นผิวเป็น 2.0 (micro)m หรือน้อยกว่า (3) เกรเดียนต์รากของกำลังสองเฉลี่ย (R(Delta)q) ของพื้นผิวเป็น 0.5degree หรือน้อยกว่า (4) ปริมาณไฮโดรเจนคือ 30% โดยอะตอมหรือน้อยกว่า For hot forming, a sheet of steel is galvanized with at least a part of the mold. In contact with the zinc plated steel plate during hot forming is covered with an The convention that satisfies the following four conditions: (1) the film thickness is 0.5 (formula) m or more (2) the arithmetic mean roughness (Ra) of the surface is 2.0 (micro) m or less ( 3) The root gradient of the mean square (R (Delta) q) of the surface is 0.5degree or less. (4) Hydrogen content is 30% by atomic or less.
Claims (1)
Publications (2)
Publication Number | Publication Date |
---|---|
TH167381B true TH167381B (en) | 2017-09-07 |
TH167381A TH167381A (en) | 2017-09-07 |
Family
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