Dùng trong xây dựng dân dụng, chế tạo máy cơ khí, cầu thang ...
Qui cách | Chiều dài cạnh | Trọng lượng | Diện tích mặt cắt |
mm | kg/m | cm2 | |
16 | 16 | 2.01 | 2.560 |
17 | 17 | 2.27 | 2.890 |
18 | 18 | 2.54 | 3.240 |
19 | 19 | 2.83 | 3.610 |
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22 | 22 | 3.8 | 4.840 |
23 | 23 | 4.15 | 5.290 |
24 | 24 | 4.52 | 5.760 |
25 | 25 | 4.91 | 6.250 |
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26 | 26 | 5.31 | 6.760 |
28 | 28 | 6.15 | 7.840 |
30 | 30 | 7.07 | 9.000 |
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32 | 32 | 8.04 | 10.24 |
34 | 34 | 9.07 | 11.56 |
35 | 35 | 9.62 | 12.25 |
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36 | 36 | 10.2 | 12.96 |
38 | 38 | 11.3 | 14.44 |
50 | 50 | 19.6 | 25.00 |
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55 | 55 | 23.7 | 30.25 |
60 | 60 | 28.3 | 36.00 |
65 | 65 | 33.2 | 42.25 |
70 | 70 | 38.5 | 49.00 |
75 | 75 | 44.2 | 56.25 |
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80 | 80 | 50.2 | 64.00 |
85 | 85 | 56.7 | 72.25 |
90 | 90 | 63.6 | 81.00 |
95 | 95 | 70.8 | 90.25 |
100 | 100 | 78.5 | 100.00 |
Steel bars for concrete reinforcement | ||||
Tiêu chuẩn |
| Độ bền cơ lý | ||
Giới hạn chảy | Giới hạn đứt | Độ giãn dài | ||
TCVN 1651 - 85 (1765 - 85 ) | CT 33 | 240 min | - | - |
CT 34 | 230 min | 340 ÷ 440 | 32 min | |
CT 38 | 250 min | 380 ÷ 490 | 26 min | |
CT 42 | 270 min | 420 ÷ 540 | 24 min | |
CT 51 | 290 min | 510 ÷ 640 | 20 min | |
TCVN 3104 - 79 | 25Mn2Si | 392 min | 590 min | 14 min |
35MnSi | 392 min | 590 min | 14 min | |
JIS G3112 | SD 295A | 295 min | 440 ÷ 600 | 16 min (d<25mm) |
18 min (d≥25mm) | ||||
SD 345 | 345 ÷ 440 | 490 min | 18 min (d<25mm) | |
20 min (d≥25mm) | ||||
SD 390 | 390 ÷ 510 | 560 min | 16 min (d<25mm) | |
18 min (d≥25mm) | ||||
SD 490 | 490 ÷ 625 | 620 min | 12 min (d<25mm) | |
14 min (d≥25mm) | ||||
ASTM A615 /A615M - 94 | Gr 40 | 300 min | 500 min | 11 min (d=10mm) |
12 min (d>10mm) | ||||
Gr 60 | 400 min | 600 min | 9 min (d≤20mm) | |
8 min (20 | ||||
BS 4449 | Gr 250 | 250 min | 287 min | 22 min |
Gr 460 | 460 min | 483 min | 12 min | |
ΓOCT 5780 - 82 | 25Γ 2C | 380 min | 580 min | 14 min |
35Γ C | 380 min | 580 min | 14 min | |
ΓOCT 380 - 89 | CT2 | 196 min | 334 ÷ 412 | 26 min |
CT3 | 225 min | 373 ÷ 461 | 22 min | |
CT4 | 245 min | 412 ÷ 510 | 20 min | |
CT5 | 265 min | 490 ÷ 608 | 16 min | |
Rolled steel for general structure | ||||
TCVN 1651 - 85 (1765 - 85 | CT 33 | 240 min | - | - |
CT 34 | 230 min | 340 ÷ 440 | 32 min | |
CT 38 | 250 min | 380 ÷ 490 | 26 min | |
CT 42 | 270 min | 420 ÷ 540 | 24 min | |
CT 51 | 290 min | 510 ÷ 640 | 20 min | |
JIS G3101 1995 | SS 330 | 235 min | 330 ÷ 430 | 25 min |
SS 400 | 235 min | 400 ÷ 510 | 21 min | |
SS 490 | 275 min | 490 ÷ 610 | 19 min | |
SS 540 | 390 min | 540 min | 16 min | |
JIS G3106 1995 | SM400 A | 235 min | 400 ÷ 510 | 23 min |
SM400 B | 235 min | 400 ÷ 510 | 23 min | |
SM490 A | 315 min | 490 ÷ 610 | 22 min | |
SM490 B | 315 min | 490 ÷ 610 | 22 min | |
SM490 YA | 355 min | 490 ÷ 610 | 19 min | |
SM490 YB | 355 min | 490 ÷ 610 | 19 min | |
ΓOCT 380 - 89 | CT2 | 196 min | 334 ÷ 412 | 26 min |
CT3 | 225 min | 373 ÷ 461 | 22 min | |
CT4 | 245 min | 412 ÷ 510 | 20 min | |
CT5 | 265 min | 490 ÷ 608 | 16 min | |
ASTM 1997 | A 36 | 250 | 400 ÷ 550 | 20 min |
A572 Gr42 | 290 | 415 min | 20 min | |
A572 Gr50 | 345 | 450 min | 18 min | |
BS 4360 1986 | 40B | 245 | 340 ÷ 550 | 22 |
40C | 245 | 340 ÷ 550 | 22 | |
43A | 265 | 430 ÷ 580 | 20 | |
43B | 265 | 430 ÷ 580 | 20 | |
43C | 265 | 430 ÷ 580 | 20 | |
50A | 345 | 490 ÷ 640 | 18 | |
50B | 345 | 490 ÷ 640 | 18 | |
50C | 345 | 490 ÷ 640 | 18 | |
DIN 17100 | RST37-2 | 225 | 340 ÷ 470 | 26 |
ST44-2 | 265 | 410 ÷ 540 | 22 | |
GB700 - 88 | Q235A | 225 min | 375 min | 21 min |
Q235B | 225 min | 375 min | 21 min | |
Q235C | 225 min | 375 min | 21 min | |
Q235D | 225 min | 375 min | 21 min | |
GB/T1591 - 94 | Q345 | 325 min | 470 min | 21 min |
Sheet piles | ||||
JIS A5528 1998 | SY 295 | 295 min | 490 min | 17 min |
SY 390 | 390 min | 540 min | 15 min |
Steel bars for concrete reinforcement | ||||||
Tiêu chuẩn | Mác thép | Thành phần hóa học | ||||
C | Si | Mn | P (max) | S (max) | ||
TCVN 1651 - 85 (1765 - 85 ) | CT33 | 0.06 - 0.12 | 0.12 - 0.30 | 0.25 - 0.50 | 0.04 | 0.045 |
CT34 | 0.09 - 0.15 | 0.12 - 0.30 | 0.25 - 0.50 | 0.04 | 0.045 | |
CT38 | 0.14 - 0.22 | 0.12 - 0.30 | 0.40 - 0.65 | 0.04 | 0.045 | |
CT42 | 0.18 - 0.27 | 0.12 - 0.30 | 0.40 - 0.70 | 0.04 | 0.045 | |
CT51 | 0.28 - 0.37 | 0.15 - 0.35 | 0.50 - 0.80 | 0.04 | 0.045 | |
TCVN 3104 - 79 | 25Mn2Si | 0.20 - 0.29 | 0.60 - 0.90 | 1.20 - 1.60 | 0.04 | 0.045 |
35MnSi | 0.30 - 0.37 | 0.60 - 0.80 | 0.80 - 1.20 | 0.04 | 0.045 | |
JIS G3505 2004 | SWRW10 | 0.13 max | 0.30 max | 0.06 max | 0.04 | 0.04 |
SWRW12 | 0.15 max | 0.30 max | 0.065 max | 0.04 | 0.04 | |
JIS G3112 | SD 295A | 0.05 | 0.05 | |||
SD 345 | 0.27 max | 0.55 max | 1.60 max | 0.04 | 0.04 | |
SD 390 | 0.29 max | 0.55 max | 1.80 max | 0.04 | 0.04 | |
SD 490 | 0.32max | 0.55max | 1.80max | 0.040 | 0.040 | |
ASTM A615 /A615M - 94 | Gr 40 | 0.21 max | 0.40 max | 1.35 max | 0.04 | 0.05 |
Gr 60 | 0.30 max | 0.50 max | 1.50 max | 0.04 | 0.05 | |
BS 4449 | Gr 250 | 0.25 max | 0.50 max | 1.50 max | 0.06 | 0.06 |
Gr 460 | 0.25 max | 0.50 max | 1.50 max | 0.05 | 0.05 | |
ΓOCT 5780 - 82 | 25Γ2C | 0.20 - 0.29 | 0.60 -0.90 | 1.20 - 1.60 | 0.04 | 0.045 |
35ΓC | 0.30 - 0.37 | 0.60 - 0.80 | 0.80 - 1.20 | 0.04 | 0.045 | |
ΓOCT 380 - 71 | CT2 | 0.09 - 0.15 | 0.12 - 0.30 | 0.25 - 0.05 | 0.045 | 0.045 |
CT3 | 0.14 - 0.22 | 0.12 - 0.30 | 0.40 - 0.60 | 0.045 | 0.045 | |
CT4 | 0.18 - 0.27 | 0.12 - 0.30 | 0.40 - 0.70 | 0.045 | 0.045 | |
CT5 | 0.29 - 0.37 | 0.15 - 0.35 | 0.50 - 0.80 | 0.045 | 0.045 | |
Rolled steel for general structure | ||||||
TCVN 1765 - 85 (1765 - 85 ) | CT33 | 0.06 - 0.12 | 0.12 - 0.30 | 0.25 - 0.50 | 0.04 | 0.045 |
CT34 | 0.09 - 0.15 | 0.12 - 0.30 | 0.25 - 0.50 | 0.04 | 0.045 | |
CT38 | 0.14 - 0.22 | 0.12 - 0.30 | 0.40 - 0.65 | 0.04 | 0.045 | |
CT42 | 0.18 - 0.27 | 0.12 - 0.30 | 0.40 - 0.70 | 0.04 | 0.045 | |
CT51 | 0.28 - 0.37 | 0.15 - 0.35 | 0.50 - 0.80 | 0.04 | 0.045 | |
JIS G3101 1995 | SS 330 | - | - | - | 0.05 | 0.05 |
SS 400 | 0.20 max | 0.55 max | 1.60 max | 0.05 | 0.05 | |
SS 490 | - | - | - | 0.05 | 0.05 | |
SS 540 | 0.30 max | - | 1.60 max | 0.04 | 0.04 | |
JIS G3106 1995 | SM400 A | 0.23 max | - | 2.5xC min | 0.035 | 0.035 |
SM400 B | 0.20 max | 0.35 | 0.60-1.40 | 0.035 | 0.035 | |
SM490 A | 0.20 max | 0.55 | 1.6 max | 0.035 | 0.035 | |
SM490 B | 0.18 max | 0.55 | 1.6 max | 0.035 | 0.035 | |
SM490 YA | 0.20 max | 0.55 | 1.6 max | 0.035 | 0.035 | |
SM490 YB | 0.20 max | 0.55 | 1.6 max | 0.035 | 0.035 | |
ΓOCT 380 - 71 | CT2 | 0.09 - 0.15 | 0.12 - 0.30 | 0.25 - 0.50 | 0.045 | 0.045 |
CT3 | 0.14 - 0.22 | 0.12 - 0.30 | 0.40 - 0.60 | 0.045 | 0.045 | |
CT4 | 0.18 - 0.27 | 0.12 - 0.30 | 0.40 - 0.70 | 0.045 | 0.045 | |
CT5 | 0.29 - 0.37 | 0.15 - 0.35 | 0.50 - 0.80 | 0.045 | 0.045 | |
ASTM 1997 | A36 | 0.26 max | 0.40 max | 1.60 max | 0.04 | 0.05 |
A572 Gr42 | 0.21 max | 0.40 max | 1.35 max | 0.04 | 0.05 | |
A572 Gr50 | 0.23 max | 0.40 max | 1.35 max | 0.04 | 0.05 | |
BS 4360 1986 | 40B | 0.20max | 0.50max | 1.50max | 0.050 | 0.050 |
40C | 0.18max | 0.50max | 1.50max | 0.050 | 0.050 | |
43A | 0.25max | 0.50max | 1.6max | 0.050 | 0.050 | |
43B | 0.21max | 0.50max | 1.5max | 0.050 | 0.050 | |
43C | 0.18max | 0.50max | 1.5max | 0.050 | 0.050 | |
50A | 0.23max | 0.50max | 1.6max | 0.050 | 0.050 | |
50B | 0.20max | 0.50max | 1.50max | 0.050 | 0.050 | |
50C | 0.20max | 0.50max | 1.50max | 0.050 | 0.050 | |
DIN 17100 | RST37-2 | 0.17max | - | - | 0.050 | 0.050 |
ST44-2 | 0.21max | - | - | 0.050 | 0.050 | |
GB700 - 88 | Q235A | 0.14 - 0.22 | 0.30 max | 0.30 -0.65 | 0.045 | 0.05 |
Q235B | 0.12 - 0.20 | 0.30 max | 0.30 -0.70 | 0.045 | 0.045 | |
Q235C | 0.18 max | 0.30 max | 0.35 -0.80 | 0.04 | 0.04 | |
Q235D | 0.17 max | 0.30 max | 0.35 -0.80 | 0.035 | 0.035 | |
GB/T1591 - 94 | Q345 | 0.20 max | 0.55 max | 1.00 -1.60 | 0.045 | 0.045 |
Sheet piles | ||||||
JIS A5528 1998 | SY 295 | 0.22 max | 0.50 max | 1.60 max | 0.04 | 0.04 |
SY 390 | 0.22 max | 0.50 max | 1.60 max | 0.04 | 0.04 |