sts강관 규격 및 단중(304,316)8A~300A

호칭경		외경(mm) (OD)	외경의 허용차	두께 (mm)	중량(kg/m)
Su	A·Su				STS 304 TPD	STS 316 TPD
8	-	9.52	0 -0.37mm	0.7	0.154	0.156
10	-	12.70		0.8	0.237	0.239
13	-	15.88		0.8	0.301	0.303
17	-	19.05		0.8	0.364	0.366
20	-	22.22		1.0	0.529	0.532
25	-	28.58		1.0	0.687	0.691
30	25	34.0	±0.20mm	1.2	0.980	0.986
40	32	42.7		1.2	1.24	1.25
50	40	48.6	±0.25mm	1.2	1.42	1.43
60	50	60.5		1.5	2.20	2.21
75	65	76.3	±1%	1.5	2.79	2.81
80	-	89.1		2.0	4.34	4.37
100	-	114.3		2.0	5.59	5.63
125	-	139.8		2.0	6.87	6.91
150	-	165.2		3.0	12.1	12.2
200	-	216.3		3.0	15.9	16.0
250	-	267.4		3.0	19.8	19.9
300	-	318.5		3.0	23.6	23.8

SYMBOL OF CLASS	STANDARD WEIGHT(kg)	FORMULA
STS 304, 304L, 321	7.93	W=0.02491 t(D-t)
STS 316, 316L, 347, 310S	7.98	W=0.02507 t(D-t)
STS 410	7.75	W=0.02435 t(D-t)
STS 430, 409, 409L	7.70	W=0.02419 t(D-t)

w=중량(kg/m), t=두께(mm), D=외경(mm)