JPS57120650A - Steel plate for nof system aluminum hot-dipping - Google Patents
Steel plate for nof system aluminum hot-dippingInfo
- Publication number
- JPS57120650A JPS57120650A JP567481A JP567481A JPS57120650A JP S57120650 A JPS57120650 A JP S57120650A JP 567481 A JP567481 A JP 567481A JP 567481 A JP567481 A JP 567481A JP S57120650 A JPS57120650 A JP S57120650A
- Authority
- JP
- Japan
- Prior art keywords
- restricted
- respect
- steel plate
- equiv
- dipping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To obtain a steel plate capable of being well coated with Al by passing through an NOF type Al hot-dipping apparatus as cooled, by specifying C, Si, Mn, Cr, Al and carbon equiv. in steel.
CONSTITUTION: This steel plate consists of ≤0.15% C, ≤2.2% Si, 0.1W2.4% Mn, ≤2.0% Cr, 0.002W0.080% Al and the balance Fe with inevitable impurities and has ≤0.44% C equiv. according to the equation or contains ≤)0.30% Ti and/or Nb furthermore. More C is preferable in strength, yet C is restricted with respect to the spot weldability. More Si is preferable in strength, yet Si is restricted with respect to the suitability to hot dipping. Mn has the same action as Si and acts in the formation of a composite structure in the steel, yet it is restricted with respect to the hardening of the weld zone. More Cr is preferable in strength, yet Cr is restricted with respect to the upper limit of the C equiv. Al enhances the deoxidation and the addition yields of Si, Mn and Cr, yet excess Al deteriorates the ductility. The C equiv. is restricted with respect to the weldability.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP567481A JPS57120650A (en) | 1981-01-17 | 1981-01-17 | Steel plate for nof system aluminum hot-dipping |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP567481A JPS57120650A (en) | 1981-01-17 | 1981-01-17 | Steel plate for nof system aluminum hot-dipping |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57120650A true JPS57120650A (en) | 1982-07-27 |
Family
ID=11617640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP567481A Pending JPS57120650A (en) | 1981-01-17 | 1981-01-17 | Steel plate for nof system aluminum hot-dipping |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57120650A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61177378A (en) * | 1985-02-01 | 1986-08-09 | Nippon Steel Corp | Chromated cr-containing steel sheet having superior suitability to coating with paint |
-
1981
- 1981-01-17 JP JP567481A patent/JPS57120650A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61177378A (en) * | 1985-02-01 | 1986-08-09 | Nippon Steel Corp | Chromated cr-containing steel sheet having superior suitability to coating with paint |
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