Fire Resistant Steel FR FR FR FR 1998 27 20 7 41 48 82 455 FR FR 600 C F2/3 JIS FR FR N/mm 2 400 350 300 250 200 150 100 50 0 20 217 (N/mm 2 ) 100 SN490 FR SN490 200 300 400 500 600 700 C
??? Yes 27 Yes 61, 62 Yes? Yes?? Yes? HP/A 600 C?? 1 h/50mm L 2 /800dmm 2?? 1 2 Yes? Yes?? R 1
JR FR 21 6 769,947 m 2 1,429 m 2 2,181 m 2 21 SRC ( ) ( ) 2
FR FR 3 1,454 m 2 635 m 2 9,342 m 2 142 SSRC SRC () () () 3
6 133 FR 36,009 m 2 13,291 m 2 60,630 m 2 133 SSRC SRC 4
31 27,545 m 2 FR FR 39,779 m 2 14,528 m 2 27,545 m 2 31 SSRCRC ( ) ( ) () 5
FR 17,216 m 2 4,193 m 2 7,630 m 2 3 SSRCRC () 6
FR 14,384 m 2 3,170 m 2 5,230 m 2 4 SSRCRC 7
18 2 FR14F1718F 6,307 m 2 4,204 m 2 42,916 m 2 182 S SRCRC () ( ) ( ) () 8
JR 1 3,990 m 2 2,646 m 2 18,000 m 2 7 S (RC) () 9
H TMCP H 400 N/mm 2 SM400A-FR, SM400B-FR, SM400C-FR SN400B-FR, SN400C-FR SM400A-FR, SM400B-FR, SM400C-FR SN400B-FR, SN400C-FR STKR400-FR STK400-FR, STKN400W-FR, STKN400B-FR 490 N/mm 2 SM490A-FR, SM490B-FR, SM490C-FR SN490B-FR, SN490C-FR SM490A-FR, SM490B-FR, SM490C-FR SN490B-FR, SN490C-FR STKR490-FR STK490-FR, STKN490B-FR 520 N/mm 2 SM520B-FR, SM520C-FR BT-HT325-FR, BT-HT325B-FR, BT-HT325C-FR HIBUIL325 OL-FR, HIBUIL325B OL-FR, HIBUIL325C OL-FR MAC325-FR, MAC325B-FR, MAC325C-FR T-DAC325-FR, T-DAC325B-FR, T-DAC325C-FR KCL-A325-FR, KCL-A325B-FR, KCL-A325C-FR BT-HT355-FR, BT-HT355B-FR, BT-HT355C-FR HIBUIL355 OL-FR, HIBUIL355B OL-FR, HIBUIL355C OL-FR MAC355-FR, MAC355B-FR, MAC355C-FR T-DAC355-FR, T-DAC355B-FR, T-DAC355C-FR KCL-A355-FR, KCL-A355B-FR, KCL-A355C-FR BCR295-FR BCP235-FR BCP325-FR SMAW GMAWCO2 400 N/mm 2 JIS Z 3211 D4316 JIS Z 3312YGW14, JIS Z 3313YFW-430M SAW JIS Z 3183 S421-S, JIS Z 3183 S422-S 490 N/mm 2 JIS Z 3212 D5016 JIS Z 3312YGW14, JIS Z 3313YFW-C50DM JIS Z 3183 S501-H, JIS Z 3183 S502-H 2 1 F10T-FR, S10T-FR F8T-FR, S8T-FR FR 0 100 8071 2 6 3 1 03 32757777 0 100 8202 1 1 2 1 03 32172212 0 100 0011 2 2 3 1 03 35974122 0 100 8113 1 1 3 1 03 32826243 0 141 8688 5 9 12 1 03 57396261 20001 0 103 0025 3 2 10 1 03 36694816 5 03 36670245