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GB/T706-2008 Angle steel for shipbuilding

Hot-rolled unequal leg angles(GB/T706-2008)				Notes; please inquire us for special requirements of thickness.
Type	Nominal dimensions (mm)					Sectional area (cm2)	Mass/Unit length (kg/m)
Type	A	B	t	r1	r2	Sectional area (cm2)	Mass/Unit length (kg/m)
∠70×45×4	70	45	4	7.5	1/3t	4.547	3.57
∠70×45×5	70	45	5	7.5	1/3t	5.609	4.403
∠70×45×6	70	45	6	7.5	1/3t	6.647	5.218
∠70×45×7	70	45	7	7.5	1/3t	7.657	6.011
∠75×50×5	75	50	5	8	1/3t	6.125	4.808
∠75×50×6	75	50	6	8	1/3t	7.26	5.699
∠75×50×8	75	50	8	8	1/3t	9.467	7.431
∠75×50×10	75	50	10	8	1/3t	11.59	9.098
∠80×50×5	80	50	5	8	1/3t	6.375	5.005
∠80×50×6	80	50	6	8	1/3t	7.56	5.935
∠80×50×7	80	50	7	8	1/3t	8.724	6.848
∠80×50×8	80	50	8	8	1/3t	9.867	7.745
∠90×56×5	90	56	5	9	1/3t	7.212	5.661
∠90×56×6	90	56	6	9	1/3t	8.557	6.717
∠90×56×7	90	56	7	9	1/3t	9.88	7.756
∠90×56×8	90	56	8	9	1/3t	11.183	8.779
∠100×63×6	100	63	6	10	1/3t	9.617	7.55
∠100×63×7	100	63	7	10	1/3t	11.111	8.722
∠100×63×8	100	63	8	10	1/3t	12.534	9.878
∠100×63×10	100	63	10	10	1/3t	15.467	12.142
∠100×80×6	100	80	6	10	1/3t	10.637	8.35
∠100×80×7	100	80	7	10	1/3t	12.301	9.656>
∠100×80×8	100	80	8	10	1/3t	13.944	10.946
∠100×80×10	100	80	10	10>	1/3t	17.167	13.476
∠110×70×6	110	70	6	10	1/3t	10.637	8.35
∠110×70×7	110	70	7	10	1/3t	12.301	9.656
∠110×70×8	110	70	8	10	1/3t	13.944	10.946
∠110×70×10	110	70	10	10	13/t	17.167	13.476
∠125×80×7	125	80	7	11	1/3t	14.096	11.066
∠125×80×8	125	80	8	11	1/3t	15.989	12.551
∠125×80×10	125	80	10	11	1/3t	19.721	15.474
∠125×80×12	125	80	12	11	1/3t	23.351	18.33
∠140×90×8	140	90	8	12	1/3t	18.038	14.16
∠140×90×10	140	90	10	12	1/3t	22.261	17.475
∠140×90×12	140	90	12	12	1/3t	26.4	20.724
∠140×90×14	140	90	14	12	1/3t	30.456	23.908
∠150×90×8	150	90	8	12	1/3t	18.839	14.788
∠150×90×10	150	90	10	12	1/3t	23.261	18.26
∠150×90×12	150	90	12	12	1/3t	27.6	21.666
∠150×90×14	150	90	14	12	1/3t	31.856	25.007
∠150×90×15	150	90	15	12	1/3t	33.952	26.652
∠150×90×16	150	90	16	12	1/3t	36.027	28.281
∠160×100×10	160	100	10	13	1/3t	25.315	19.872
∠160×100×12	160	100	12	13	1/3t	30.054	23.592
∠160×100×14	160	100	14	13	1/3t	34.709	27.247
∠160×100×16	160	100	16	13	1/3t	29.281	30.835
∠180×110×10	180	110	10	14	1/3t	28.373	22.273
∠180×110×12	180	110	12	14	1/3t	33.712	26.44
∠180×110×14	180	110	14	14	1/3t	38.967	30.589
∠180×110×16	180	110	16	14	1/3t	44.139	34.649
∠200×125×12	200	125	12	14	1/3t	37.912	29.761
∠200×125×14	200	125	14	14	1/3t	43.687	34.436
∠200×125×16	200	125	16	14	1/3t	49.739	39.045
∠200×125×18	200	125	18	14	1/3t	55.526	43.588

Tolerances of hot rolled unequal leg angles (GB/T706-2008)
Nominal dimensions (mm)		Tolerances (mm)	Graphical expression
Nominal dimensions (mm)		Standard GB/T706-2008	Graphical expression
Side width (A、B)	56< A、B ≤90	±1.5
	90< A、B ≤140	±2.0
	140< A、B ≤200	±2.5
	A、B >200	±3.5
Thickness (t)	56< A、B ≤90	±0.6
	90< A、B ≤140	±0.7
	140< A、B ≤200	±1.0
	A、B >200	±1.4
Tortuosity	Tortuosity per meter ≤3mm, Total tortuosity≤0.30% of total length		Adopt to big bend in up, down, left and right

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