許容応力度の基準強度 |
385N/mm2 |
---|---|
材料強度の基準強度 |
385N/mm2 |
溶接部の許容応力度の基準強度 |
385N/mm2 |
溶接部の材料強度の基準強度 |
385N/mm2 |
種類の記号 | C (%) |
Si (%) |
Mn (%) |
P (%) |
S (%) |
トータルN (%) |
---|---|---|---|---|---|---|
BCHT385B,BCHT385BT | 0.20 以下 |
0.55 以下 |
2.00 以下 |
0.030 以下 |
0.015 以下 |
0.006 以下 |
BCHT385C,BCHT385CT | 0.020 以下 |
0.008 以下 |
種類の記号 | 炭素当量 (Ceq) |
溶接割れ感受性組成 (PCM) |
マグ溶接熱影響部 靱性指標(fHAZ) |
---|---|---|---|
BCHT385B,BCHT385BT |
0.40以下 | 0.26以下 | 0.58以下 |
種類の記号 | 降伏点または 0.2%耐力1) (N/mm2) |
引張強さ1) (N/mm2) |
降伏比1),2) (%) |
伸び1),3) | ||
---|---|---|---|---|---|---|
板厚 t(mm) | 試験片 JIS Z 2201 -1998 |
(%) | ||||
BCHT385B, |
385 以上 505 以下 |
550 以上 670 以下 |
80 以下 | 19≦t≦32 | 1A号 | 15以上 |
32<t≦50 | 4号 | 20以上 |
種類の記号 | 部位 | 試験温度(℃) | シャルピー吸収 エネルギー(J) |
試験片 JIS Z 2242 -2005 |
---|---|---|---|---|
BCHT385B,BCHT385C |
平坦部 | 0 | 70以上 | Vノッチ 長さ方向 |
BCHT385BT,BCHT385CT |
平坦部 及び角部 |
単位%
種類の記号 | 3個の試験の平均値 | 個々の試験値 |
---|---|---|
BCHT385C,BCHT385CT |
25以上 | 15以上 |
(備考) 絞り値は、JIS G 3199−2009の試験によって測定された値とする。
項目及び区分 | 寸法許容差 | |
---|---|---|
辺の長さ | ±1.0%以下 かつ ±3.0mm以下 | |
各辺の平板部分の凹凸1) | 辺の長さの0.5%以下 かつ3.0mm以下 | |
隣り合った平板部分のなす角度2) | ±1.0度以下 | |
長さ | -0.0 +規定せず(素管) | |
曲がり3) | 長さ9m未満 | 全長の1/1500以下 かつ 5.0mm以下 |
長さ9m以上 | 全長の1/1250以下 かつ 5.0mm以下 | |
捻れ | [1.5×辺の長さ(mm)/1000]×全長(m)mm以下 かつ 5.0mm以下 | |
厚さ4) | 19mm以上25mm未満 | -0.3mm +1.2mm |
25mm以上40mm以下 | -0.3mm +1.3mm | |
40㎜超 50㎜以下 | -0.3mm +1.6mm |
角部外側の曲率半径及び寸法許容差(t:板厚)
項目及び板厚区分 | 角部外側の曲率半径標準値 | 寸法許容差 | |
---|---|---|---|
プレス成形 | 19mm | 3.5t mm | ±0.5t mm |
19mmを超え50mm以下 | ±0.4t mm |
寸法 (mm) |
断面積 | 単位 質量 |
断面二次 モーメント |
断面 係数 |
断面二次 半径 |
塑性 断面係数 |
|
---|---|---|---|---|---|---|---|
A×B | t | A cm2 |
W kg/m |
Ix=Iy cm4 |
Zx=Zy cm3 |
ix=iy cm |
Zpx=Zpy cm3 |
400×400 | 19 | 271.0 | 213 | 62,800 | 3,140 | 15.2 | 3,770 |
22 | 307.7 | 242 | 69,500 | 3,480 | 15.0 | 4,220 | |
25 | 342.8 | 269 | 75,400 | 3,770 | 14.8 | 4,640 | |
450×450 | 19 | 309.0 | 243 | 92,200 | 4,100 | 17.3 | 4,880 |
22 | 351.7 | 276 | 103,000 | 4,560 | 17.1 | 5,490 | |
25 | 392.8 | 308 | 112,000 | 4,980 | 16.9 | 6,050 | |
28 | 432.3 | 339 | 121,000 | 5,360 | 16.7 | 6,580 | |
32 | 482.3 | 379 | 130,000 | 5,780 | 16.4 | 7,210 | |
500×500 | 19 | 347.0 | 272 | 130,000 | 5,180 | 19.3 | 6,130 |
22 | 395.7 | 311 | 145,000 | 5,800 | 19.1 | 6,920 | |
25 | 442.8 | 348 | 159,000 | 6,360 | 18.9 | 7,660 | |
28 | 488.3 | 383 | 172,000 | 6,870 | 18.8 | 8,360 | |
32 | 546.3 | 429 | 187,000 | 7,470 | 18.5 | 9,210 | |
36 | 601.4 | 472 | 200,000 | 7,990 | 18.2 | 9,970 | |
550×550 | 19 | 385.0 | 302 | 176,000 | 6,390 | 21.4 | 7,530 |
22 | 439.7 | 345 | 197,000 | 7,180 | 21.2 | 8,520 | |
25 | 492.8 | 387 | 217,000 | 7,900 | 21.0 | 9,460 | |
28 | 544.3 | 427 | 236,000 | 8,570 | 20.8 | 10,300 | |
32 | 610.3 | 479 | 258,000 | 9,380 | 20.6 | 11,400 | |
36 | 673.4 | 529 | 277,000 | 10,100 | 20.3 | 12,400 | |
38 | 703.9 | 553 | 286,000 | 10,400 | 20.2 | 12,900 | |
40 | 733.6 | 576 | 294,000 | 10,700 | 20.0 | 13,400 | |
600×600 | 19 | 423.0 | 332 | 232,000 | 7,730 | 23.4 | 9,070 |
22 | 483.7 | 380 | 261,000 | 8,710 | 23.2 | 10,300 | |
25 | 542.8 | 426 | 288,000 | 9,620 | 23.1 | 11,400 | |
28 | 600.3 | 471 | 314,000 | 10,500 | 22.9 | 12,500 | |
32 | 674.3 | 529 | 345,000 | 11,500 | 22.6 | 13,900 | |
36 | 745.4 | 585 | 372,000 | 12,400 | 22.4 | 15,200 | |
38 | 779.9 | 612 | 385,000 | 12,800 | 22.2 | 15,800 | |
40 | 813.6 | 639 | 397,000 | 13,200 | 22.1 | 16,400 | |
45 | 894.7 | 702 | 423,000 | 14,100 | 21.7 | 17,700 | |
650×650 | 19 | 461.0 | 362 | 299,000 | 9,200 | 25.5 | 10,700 |
22 | 527.7 | 414 | 337,000 | 10,400 | 25.3 | 12,200 | |
25 | 592.8 | 465 | 374,000 | 11,500 | 25.1 | 13,600 | |
28 | 656.3 | 515 | 407,000 | 12,500 | 24.9 | 14,900 | |
32 | 738.3 | 580 | 449,000 | 13,800 | 24.7 | 16,600 | |
36 | 817.4 | 642 | 487,000 | 15,000 | 24.4 | 18,200 | |
38 | 855.9 | 672 | 505,000 | 15,500 | 24.3 | 19,000 | |
40 | 893.6 | 702 | 521,000 | 16,000 | 24.1 | 19,700 | |
45 | 984.7 | 773 | 558,000 | 17,200 | 23.8 | 21,300 | |
50 | 1071.0 | 841 | 590,000 | 18,200 | 23.5 | 22,900 | |
700×700 | 19 | 499.0 | 392 | 378,000 | 10,800 | 27.5 | 12,600 |
22 | 571.7 | 449 | 427,000 | 12,200 | 27.3 | 14,300 | |
25 | 642.8 | 505 | 474,000 | 13,500 | 27.1 | 16,000 | |
28 | 712.3 | 559 | 518,000 | 14,800 | 27.0 | 17,600 | |
32 | 802.3 | 630 | 573,000 | 16,400 | 26.7 | 19,600 | |
36 | 889.4 | 698 | 623,000 | 17,800 | 26.5 | 21,500 | |
38 | 931.9 | 732 | 646,000 | 18,500 | 26.3 | 22,400 | |
40 | 973.6 | 764 | 669,000 | 19,100 | 26.2 | 23,300 | |
45 | 1075.0 | 844 | 720,000 | 20,600 | 25.9 | 25,300 | |
50 | 1171.0 | 919 | 764,000 | 21,800 | 25.5 | 27,200 | |
750×750 | 19 | 537.0 | 422 | 469,000 | 12,500 | 29.6 | 14,500 |
22 | 615.7 | 483 | 531,000 | 14,200 | 29.4 | 16,600 | |
25 | 692.8 | 544 | 591,000 | 15,700 | 29.2 | 18,500 | |
28 | 768.3 | 603 | 647,000 | 17,200 | 29.0 | 20,400 | |
32 | 866.3 | 680 | 717,000 | 19,100 | 28.8 | 22,800 | |
36 | 961.4 | 755 | 782,000 | 20,900 | 28.5 | 25,000 | |
38 | 1008.0 | 791 | 813,000 | 21,700 | 28.4 | 26,100 | |
40 | 1054.0 | 827 | 842,000 | 22,400 | 28.3 | 27,200 | |
45 | 1165.0 | 914 | 909,000 | 24,200 | 27.9 | 29,700 | |
50 | 1271.0 | 998 | 969,000 | 25,800 | 27.6 | 32,000 | |
800×800 | 19 | 575.0 | 451 | 574,000 | 14,300 | 31.6 | 16,600 |
22 | 659.7 | 518 | 651,000 | 16,300 | 31.4 | 19,000 | |
25 | 742.8 | 583 | 725,000 | 18,100 | 31.2 | 21,200 | |
28 | 824.3 | 647 | 795,000 | 19,900 | 31.1 | 23,400 | |
32 | 930.3 | 730 | 884,000 | 22,100 | 30.8 | 26,200 | |
36 | 1033.0 | 811 | 966,000 | 24,100 | 30.6 | 28,900 | |
38 | 1084.0 | 851 | 1,000,000 | 25,100 | 30.4 | 30,100 | |
40 | 1134.0 | 890 | 1,040,000 | 26,100 | 30.3 | 31,400 | |
45 | 1255.0 | 985 | 1,130,000 | 28,200 | 30.0 | 34,300 | |
50 | 1371.0 | 1076 | 1,210,000 | 30,200 | 29.7 | 37,100 | |
850×850 | 19 | 613.0 | 481 | 694,000 | 16,300 | 33.6 | 18,900 |
22 | 703.7 | 552 | 788,000 | 18,500 | 33.5 | 21,600 | |
25 | 792.8 | 622 | 879,000 | 20,700 | 33.3 | 24,200 | |
28 | 880.3 | 691 | 965,000 | 22,700 | 33.1 | 26,700 | |
32 | 994.3 | 781 | 1,070,000 | 25,300 | 32.9 | 29,900 | |
36 | 1105.0 | 868 | 1,180,000 | 27,700 | 32.6 | 33,000 | |
38 | 1160.0 | 911 | 1,220,000 | 28,800 | 32.5 | 34,400 | |
40 | 1214.0 | 953 | 1,270,000 | 29,900 | 32.4 | 35,900 | |
45 | 1345.0 | 1056 | 1,380,000 | 32,500 | 32.1 | 39,300 | |
50 | 1471.0 | 1155 | 1,480,000 | 34,900 | 31.7 | 42,600 | |
900×900 | 19 | 651.0 | 511 | 829,000 | 18,400 | 35.7 | 21,300 |
22 | 747.7 | 587 | 943,000 | 21,000 | 35.5 | 24,300 | |
25 | 842.8 | 662 | 1,050,000 | 23,400 | 35.3 | 27,300 | |
28 | 936.3 | 735 | 1,160,000 | 25,700 | 35.2 | 30,100 | |
32 | 1058.0 | 831 | 1,290,000 | 28,700 | 34.9 | 33,800 | |
36 | 1177.0 | 924 | 1,420,000 | 31,500 | 34.7 | 37,300 | |
38 | 1236.0 | 970 | 1,480,000 | 32,800 | 34.5 | 39,000 | |
40 | 1294.0 | 1016 | 1,530,000 | 34,100 | 34.4 | 40,700 | |
45 | 1435.0 | 1126 | 1,670,000 | 37,100 | 34.1 | 44,700 | |
50 | 1571.0 | 1233 | 1,790,000 | 39,900 | 33.8 | 48,400 | |
950×950 | 19 | 689.0 | 541 | 981,000 | 20,600 | 37.7 | 23,800 |
22 | 791.7 | 622 | 1,120,000 | 23,500 | 37.6 | 27,200 | |
25 | 892.8 | 701 | 1,250,000 | 26,300 | 37.4 | 30,600 | |
28 | 992.3 | 779 | 1,370,000 | 28,900 | 37.2 | 33,800 | |
32 | 1122.0 | 881 | 1,530,000 | 32,300 | 37.0 | 38,000 | |
36 | 1249.0 | 981 | 1,680,000 | 35,500 | 36.7 | 42,000 | |
38 | 1312.0 | 1030 | 1,760,000 | 37,000 | 36.6 | 43,900 | |
40 | 1374.0 | 1078 | 1,830,000 | 38,500 | 36.5 | 45,800 | |
45 | 1525.0 | 1197 | 1,990,000 | 42,000 | 36.2 | 50,400 | |
50 | 1671.0 | 1312 | 2,150,000 | 45,200 | 35.8 | 54,700 | |
1000×1000 | 19 | 727.0 | 571 | 1,150,000 | 23,000 | 39.8 | 26,500 |
22 | 835.7 | 656 | 1,310,000 | 26,200 | 39.6 | 30,300 | |
25 | 942.8 | 740 | 1,470,000 | 29,300 | 39.4 | 34,000 | |
28 | 1048.0 | 823 | 1,610,000 | 32,300 | 39.2 | 37,700 | |
32 | 1186.0 | 931 | 1,810,000 | 36,100 | 39.0 | 42,400 | |
36 | 1321.0 | 1037 | 1,990,000 | 39,700 | 38.8 | 46,900 | |
38 | 1388.0 | 1090 | 2,070,000 | 41,500 | 38.6 | 49,100 | |
40 | 1454.0 | 1141 | 2,160,000 | 43,100 | 38.5 | 51,200 | |
45 | 1615.0 | 1268 | 2,360,000 | 47,200 | 38.2 | 56,400 | |
50 | 1771.0 | 1390 | 2,540,000 | 50,900 | 37.9 | 61,300 |