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Alsheettm Alsheet www.nipponsteel.com Steel Sheet ALSHEET TM Hot-dip aluminum-coated steel sheets ALSHEETTM 2-6-1 Marunouchi, Chiyoda-ku,Tokyo 100-8071 Japan U034en_02_202004pU034en_02_202004f Tel: +81-3-6867-4111 © 2019, 2020 NIPPON STEEL CORPORATION Introduction Manufacturing Process Overall manufacturing Blast furnace TM process ALSHEET is a cold-rolled steel that has been hot-dipped in an aluminum/silicon alloy. It Acid Pickling offers the attractive surface of processed steel sheet that simultaneously affords some of Converter the features of aluminum, such as resistance to corrosion, attractive appearance, coupled Cold Rolling with superior heat resistance and heat reflection, cold-rolled steel’s mechanical attributes Continuous Casting and other physical characteristics. Hot-dip We have been manufacturing hot-dip aluminum-coated steel sheets under the name Hot Rolling aluminum plating “ALSHEETTM” since July 1961, and it has been widely adopted thanks to its superior features, such as for vehicle mufflers (silencers), toasters, and gas cookers. In recent years, there have been calls for the development of materials to succeed Cooling equipment stainless steel sheets to cope with exhaust gas restrictions, and inexpensive materials Post-Processing TM in order to cut costs, and accordingly the demand for ALSHEET with improved heat Hot-dip Aluminum Plating The quality and shape of the aluminum- resistance performance has grown in these fields as well. Process coated sheet are improved by the We have recently developed further improvements to our products in terms of heat <in order of process> skin pass and tension leveler, and post-processing is applied to the add resistance, strength at high temperature, colorfastness, and corrosion resistance, and corrosion resistance and enhance paint have extended our product lineup to meet the ever-diversifying needs of today’s market. Heat-processing furnace adhesion. Rustproofing oil is applied if necessary. Welder Contents Pay-off reel Post-processing Coating pot Skin pass mill Manufacturing Process 1 Tension reel Product Usage Examples 2 Heat Processing Coating List of Manufacturing Standards 4 In the heat-processing furnace, After the surfaces of the base metal are Quality Attributes 6 coils used for the base metal are cleaned, the coils are immersed in an Size Availability 13 subjected to surface treatments such aluminum galvanizing tank whose main as the cleansing of rolling oil and other component is aluminum to provide the ALSHEET Pipe 15 deposits and the removal of oxides. coating. The coating mass is adjusted Cautions for Use 18 by means of gas wiping to ensure Then, after being fully reheated, ALSHEET coil Order Guidelines 19 the coils undergo material property an even coating mass and beautiful appearance. Packaging and Labeling 20 adjustments such as recrystallization. Unit Mass Table for Sheets 21 ALSHEETTM types and heat-resistance characteristics Type Colorfastness at Colorfastness at high Heat resistant High strength Heat resistance high temperature temperature Ⅱ Notice: While every effort has been made to ensure the accuracy of the information contained within this publication, the use of Heat resistant（ ˚C） 500~600 500~600 550 500 the information is at the reader’s risk and no warranty is implied or expressed by NIPPON STEEL CORPORATION with respect to the use of the information contained herein. The information in this publication is subject to change or modification without notice. Please contact the NIPPON STEEL CORPORATION office for the latest information. Changing color Please refrain from unauthorized reproduction or copying of the contents of this publication. 300~350 300~350 550 500 The names of our products and services shown in this publication are trademarks or registered trademarks of NIPPON STEEL temperature（ ˚C） CORPORATION, affiliated companies, or third parties granting rights to NIPPON STEEL CORPORATION or affiliated companies. Other product or service names shown may be trademarks or registered trademarks of their respective owners. 1 Product Usage Examples Water boiler Cars (mufers,(mufers, manifoldmanifold covers, converterconverter covers) Hot plate bake-wear Motorbikes (mufers) hheenn:: OO iittcc uutt kk dd oo Lawnmowers,Lawnmowers, Rice cookers e o e o portable generators h h r (mufers) r (mufers) t t s s Ovens, toasters, : : n home bakery n I I :: IInnddoooorrss Fan heater Tumble dryer Mini LCD TV Stove 2 3 Standards 1. Types 6. Mechanical Properties • JIS G 3314-2018 (abstract) Hot-dip aluminum-coated steel sheets and bands • JIS G 3314-2018 (abstract) Hot-dip aluminum-coated steel sheets and bands ①In cases where the coating Application Tensile test Type designation is 120≦, the Main use Aluminum coating designation Elongation (%) nominal thickness may Tensile be 26≦, if an agreement ( ) Code Nominal thickness (mm) SA1C Heat resistance commercial strength is reached between the delivering and accepting SA1D Heat resistance (drawing) (N/mm2) 40, 60, 80, 100, 120 0.30≦t<0.40 0.40≦t<0.60 0.60≦t<1.00 1.00≦ parties. SA1E Heat resistance (deep drawing) ②In cases where the coating (270 ) — — — — SA1F Heat resistance (ultra-deep drawing) SA1C ≦ designation is 120≦, the SA1D 270≦ (28≦) ① 30≦ ② 32≦ 34≦ nominal thickness may be 28≦ for SA1D, 32≦ for • NIPPON STEEL Product Standards SA1E 270≦ — 34≦ ② 36≦ 38≦ SA1E, and 33≦ for SA1F, Application SA1F 270≦ — 35≦ ② 37≦ 39≦ if an agreement is reached Type between the delivering and Main use Aluminum coating designation Note: Tensile test samples must conform to JIS 5. accepting parties. NSA1C Heat resistance (commercial) ③In the case of SA1D, SA1E Bending properties and SA1F, the internal spacing NSA1D Heat resistance (drawing) of bends may be single-sheet NSA1E Heat resistance (deep drawing) Internal spacing of bends product of nominal thickness, Code Bending Nominal thickness (mm) if an agreement is reached NSA1F Heat resistance (ultra-deep drawing) angle between the delivering and 040, 060, 080, 100, 120 < NSA1D-P Colorfastness at high temperature 1.60 1.60≦ accepting parties. NSA1D-PQ Colorfastness at high temperature II SA1C 180˚ Double-sheet product with nominal thickness Double-sheet product with nominal thickness NSA440R High strength (TS=440 class) SA1D 180˚ Single-sheet nominal thickness Double-sheet product with nominal thickness ③ NSA590 High strength (TS=590 class) SA1E 180˚ Single-sheet nominal thickness Double-sheet product with nominal thickness ③ NSSQAS1500 Hot stamp 80, 160, etc. SA1F 180˚ Single-sheet nominal thickness Double-sheet product with nominal thickness ③ 2. Aluminum coating mass (NIPPON STEEL Product Standards) • NIPPON STEEL Product Standards Aluminum coating designation 040 060 080 100 120 160 Tensile test ①In cases where the coating designation is 120≦, the 2 Minimum coating mass (both sides, triple-spot method) g/m 40 60 80 100 120 160 Elongation (%) nominal thickness may 2 Tensile be 26≦, if an agreement Minimum coating mass (both sides, Single-spot method) g/m 30 45 60 75 90 — Code Nominal thickness (mm) strength is reached between the delivering and accepting (N/mm2) < < < 3. Surface treatment (NIPPON STEEL Product Standards) 4. Oil coating 0.30≦t 0.40 0.40≦t 0.60 0.60≦t 1.00 1.00≦ parties. ④In cases where the coating Type Main uses Code Remarks Code Type NSA1C (270≦) — — — — designation is 120≦, the nominal thickness may be Untreated M — H High oil coating NSA1D (270≦) (28≦) ① 30≦ ④ 32≦ 34≦ 28≦ for NSA1D, 32≦ for Mainly domestic electrical appliances. Color remains Normal oil coating NSA1E 270≦ — 34≦ ④ 36≦ 38≦ NSA1E, and 33≦ for NSA1F, Corrosion resistant QM N Chromate- stable after heating. Recommended by FDA if an agreement is reached free L Low oil coating NSA1F 270≦ — 35≦ ④ 37≦ 39≦ Enhance corrosion between the delivering and treatment QN Mainly automobiles NSA1D-P 270≦ — 30≦ 32v 34≦ accepting parties. resistance X No oil coating NSA1D-PQ 270≦ — 30≦ 32≦ 34≦ ⑤In the case of NSA1D, NSA1E and NSA1F, the NSA440R 440≦ — 25≦ 27≦ 28≦ 5. Dimensional tolerance (NIPPON STEEL Product Standards) internal spacing of bends Width Tolerance NSA590 590≦ — — — 18≦ may be single-sheet product Thickness tolerance (units: mm) of nominal thickness, if NSSQAS1500 — — — — — Width an agreement is reached <1,000 1,000≦t≦1,250 Classification Tolerance Thickness Note: Tensile test samples must conform to JIS 5. between the delivering and accepting parties. <0.40 ±0.06 ±0.06 Width −0, ＋7 0.40≦t<0.60 ±0.07 ±0.07 Bending properties 0.60≦t<0.80 ±0.09 ±0.09 Internal spacing of bends Code Bending 0.80≦t<1.00 ±0.10 ±0.11 Nominal thickness (mm) angle 1.00≦t<1.20 ±0.11 ±0.12 <1.60 1.60≦ 1.20≦t<1.60 ±0.13 ±0.14 NSA1C 180˚ Double-sheet product with nominal thickness Double-sheet product with nominal thickness Notes: 1.60≦t<2.00 ±0.15 ±0.16 1. Nominal thickness refers to the NSA1D 180˚ Single-sheet nominal thickness Double-sheet product with nominal thickness ⑤ thickness after coating 2.00≦t<2.30 ±0.17 ±0.18 2. Thickness shall be measured NSA1E 180˚ Single-sheet nominal thickness Double-sheet product with nominal thickness ⑤ from an optimal spot at least 2.30≦ ±0.20 ±0.21 NSA1F 180˚ Single-sheet nominal thickness Double-sheet product with nominal thickness ⑤ 50 mm inside the edge. 4 5 Quality Attributes 1.External appearance • Change in mass when heated (up to 600°C) The coating mass on our ALSHEET products is controlled using the wiping method, resulting in an An example of the change in mass when continuously heating ALSHEET and cold-rolled even surface with a beautiful finish. steel sheet in the air is shown below. 2.Heat resistance The external appearance of ALSHEET at high temperature is much better than hot-dip galvanized steel 50 Cold-rolled steel sheet is damaged sheet and cold-rolled steel sheet, and the surface does not discolor up to 300~350°C.
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