Transcription of Steel sheets Hot rolled coils - tokyosteel.co.jp
1 SPHC Steel sheetsHot rolled Steel Manufacturing Co.,Ltd. 2. 3. (CCV LDR) (FLD) INDEX 3566711131515171 3 PAGEPAGEI ntroduction 1991 10 1995 1997 2004 Cu HP1997 1990 2012 CO2 5 CO2 CO2 14 2008 1 CO2 2 CO2 CO2 CO2
2 1995 15 1990 CO2 44 5% 35 CO2 HP1997 1990 2012 CO2 5 CO2 CO2 14 2008 1 CO2 2 CO2 CO2 CO2 1995 15 1990 CO2 44 5% 35 CO2 1 2 3 1 , (1998) 2 , (1992), 3 LCA 4 PAGEPAGEI ntroduction CO2 / CO2 / 1 CO2 / 3 CO2 / CO2 / CO2 / 2 1 , (1998) 2 CO2 , p6 50km 3 2000 , p92 60% 1t 5 PAGEPAGEM anufacturing processDC STF 1) (EBT) EBT 2) 3)
3 4) TMCP 6 PAGEPAGEThe quality SPHC Table1 Table2 C Si C Si (Photo1) mass% mass% N/mm2 N/mm2 N/mm2 N/mm2 284356 r n n Table2 Photo1 7 PAGEPAGEThe quality data ( ) (2 ) ( ) CCV LDR Table3 (CCV) (LDR)
4 Table3 8 PAGEPAGEThe quality data daD0d22 rdrud0D0rp D0rp Table4 Table5 8 203% SPHC JIS Z 2243 JFS T 1001(1996)JIS Z 2247 27 78100 100( )100 100mm 78 92mm SK10mm/min20mm/min10mm/min25mm/min max (mm)max (mm)min (mm)min (mm)CCV (mm)CCV (mm) (mm) (mm)Table4 9 PAGEPAGEThe quality data R / Photo2 , , , , , , , , A B C (%) (%) (%) (%)Table6 (mm) (mm) (mm) (mm)Table7 Photo3 10 PAGEPAGEThe quality data 78 80 82 84 86 88 90 92 LDRLDRT able8 L 11 PAGEPAGEThe quality FFEEDCDBBAA 2 1 1= - 2 (FLD) (Forming Limit Diagram ) (FLD) 1 2 1 2 1 2 2/ 1 0 (FLD x,y ( ) )Table9 43 72% 18 60 (Table10) (C L) (C L) (1)
5 (2) 210 210 mm200 200 mm200 200 mm200 120 mm200 35 mm 100ton100ton100ton60ton 30mm/min10 20mm/minTable9 FLD 12 PAGEPAGEThe quality data Ex(%)Ex(%)Ey(%)Ey(%) (1) (2) 72534843586029132-18 Table10 FLD FLD-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80807060504030201090Ey Ex Good .. NG .. 13 PAGEPAGEThe quality Table11 12 SPHC 320 MPa 170 MPa 290 MPa 160 MPa 20Hz 1 107 Table11 MPa MPa (cycle) (cycle) MPa MPa (cycle) (cycle)123456789102002403003203303403503 70380390 2,015,0004,968,00010,000,00010,000,0003, 789,981478,486281,53213,5409,3292,931170 18019020022023025027010,000,0003,878,300 1,394,8001,145,800473,200293,600166,7008 5,000 Table12 123456789280290290290300310320340380 10,000,0001,091,40810,000,00010,000,0004 46,703176,53631,3244,2985801591601701711 8319922024010,000,00010,000,0004,990,700 3,747,6001,385,200724,500374,900162,100 30Hz 14 PAGEPAGEThe quality data S-N S-N 05 cycles MPa cycles MPa 07 C Si Mn P S 366 MPa 292 MPa 15 PAGEPAGEThe quality d6mm DR Table13 4 t ( )
6 Table14 Table15 Photo5 ( 4 t ) (Table15) D D RR DD DR DR No No kA kA mm mm mm mm1%Cr-Cu 16mm 6mm(R40)29cycles/50Hz270kg15cycles/50Hz1 cycles/50Hz Table13 Table14 JIS C 9304(1999)DRdr 16 PAGEPAGEThe quality dataPhoto5 A A A A A A A A A 17 PAGEPAGEThe quality data1098765432104 5 6 7 8 kA / 9 10 11 124 t (a)(b)(a) (b) (4 t) (4 t) ( ) (4 t) ( ) 18 PAGEPAGEThe quality datad1d2d1d2d1d2d1d3d2 a) b) c) Table16 Table17 No No 123456789101112 kA mm mm kN mm ( t) kN kN( = ) kN kN( = ) Table17 JIS Z 3136(1999)
7 10 HP 7 1 15 2 3 13 3 1 1 7 3 5 1 4 1 1 11 1 2 1 3 4 1 1 3 5 1 11 1 5 1 1 TEL. 0531-24-0812 FAX. 0531-24-0818E-mail
