THÉP HÌNH CHỮ I

Chi tiết kỹ thuật

Thép hình chữ I: Kích thước thông dụng và độ dày tiêu chuẩn
H (mm)	B (mm)	t1 (mm)	t2 (mm)	L (m)	W (Kg/m)
100	55	4.5	6.5	6	9.46
120	64	4.8	6.5	6	11.50
150	75	5	7	12	14.0
194	150	6	9	6/12	29.9
198	99	4.5	7	6/12	18.2
200	100	5.5	8	6/12	21.3
248	124	5	8	6/12	25.1
250	125	6	9	12	29.6
298	149	5.5	8	12	32.0
300	150	6.5	9	12	36.7
346	174	6	9	12	41.4
350	175	7	11	12	49.6
396	199	7	11	12	56.6
400	200	8	13	12	66.0
446	199	8	13	12	66.2
450	200	9	14	12	76.0
482	300	11	15	12	111.0
496	199	9	14	12	79.5
500	200	10	16	12	89.6
500	300	11	18	12	128.0
588	300	12	20	12	147.0
596	199	10	15	12	94.6
600	200	11	17	12	106.0
600	300	12	20	12	151.0
700	300	13	24	12	185.0
800	300	14	26	12	210
900	300	16	28	12	240

Tính chất cơ lý
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

Các sản phẩm THÉP HÌNH khác

Thành phần hóa học
Steel bars for concrete reinforcement
Tiêu chuẩn Standard	Mác thép Grade	Thành phần hóa học Chemical Composition
Tiêu chuẩn Standard	Mác thép Grade	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 3101 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