Name: THÉP VUÔNG ĐẶC
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THÉP VUÔNG ĐẶC

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Qui cách Size	Chiều dài cạnh Side length	Trọng lượng Unit weight	Diện tích mặt cắt Sectional area
Qui cách Size	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

22	22	3.8	4.840
23	23	4.15	5.290
24	24	4.52	5.760
25	25	4.91	6.250

26	26	5.31	6.760
28	28	6.15	7.840
30	30	7.07	9.000

32	32	8.04	10.24
34	34	9.07	11.56
35	35	9.62	12.25

36	36	10.2	12.96
38	38	11.3	14.44
50	50	19.6	25.00

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

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 Standard	Mác thép Grade	Độ bền cơ lý Mechanical Properties
Tiêu chuẩn Standard	Mác thép Grade	Giới hạn chảy Yeild Point (N/mm2)	Giới hạn đứt Tensile Strength (N/mm2)	Độ giãn dài Elongation (%)
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
TCVN 3104 - 79	35MnSi	392 min	590 min	14 min
JIS G3112	SD 295A	295 min	440 ÷ 600	16 min (d<25mm)
	SD 295A	295 min	440 ÷ 600	18 min (d≥25mm)
	SD 345	345 ÷ 440	490 min	18 min (d<25mm)
	SD 345	345 ÷ 440	490 min	20 min (d≥25mm)
	SD 390	390 ÷ 510	560 min	16 min (d<25mm)
	SD 390	390 ÷ 510	560 min	18 min (d≥25mm)
	SD 490	490 ÷ 625	620 min	12 min (d<25mm)
	SD 490	490 ÷ 625	620 min	14 min (d≥25mm)
ASTM A615 /A615M - 94	Gr 40	300 min	500 min	11 min (d=10mm)
	Gr 40	300 min	500 min	12 min (d>10mm)
	Gr 60	400 min	600 min	9 min (d≤20mm)
	Gr 60	400 min	600 min	8 min (20
BS 4449	Gr 250	250 min	287 min	22 min
BS 4449	Gr 460	460 min	483 min	12 min
ΓOCT 5780 - 82	25Γ 2C	380 min	580 min	14 min
ΓOCT 5780 - 82	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
DIN 17100	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
JIS A5528 1998	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
TCVN 3104 - 79	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
JIS G3505 2004	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
ASTM A615 /A615M - 94	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
BS 4449	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
ΓOCT 5780 - 82	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
DIN 17100	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
JIS A5528 1998	SY 390	0.22 max	0.50 max	1.60 max	0.04	0.04

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