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• Reference index
• Chemical composition of stainless steel
• Weight of stainless steel products
• Dimensional tolerance of stainless steel products
• Application of tolerance class
• Specific gravity (density) of stainless steel, etc.

Weight of stainless steel products (kg/m)

Dimension	Shapes	Round -D-	Square -D-	Hexagonal -D-	Octagonal -D-
	cross-section(‡o)	0.7854D²	D²	0.8660D²	0.8284D²
1		0.006	0.008	0.007	0.007
2		0.025	0.031	0.027	0.026
3		0.055	0.071	0.061	0.059
4		0.099	0.123	0.109	0.104
5		0.154	0.196	0.170	0.162
6		0.222	0.283	0.245	0.234
7		0.302	0.385	0.333	0.318
8		0.395	0.502	0.435	0.416
9		0.499	0.636	0.551	0.526
10		0.617	0.785	0.680	0.650
11		0.749	0.950	0.823	0.787
12		0.888	1.130	0.979	0.936
13		1.042	1.327	1.149	1.090
14		1.208	1.539	1.332	1.275
15		1.387	1.766	1.530	1.463
16		1.578	2.010	1.740	1.665
17		1.782	2.269	1.965	1.880
18		1.998	2.543	2.203	2.107
19		2.226	2.834	2.454	2.348
20		2.466	3.140	2.719	2.601
21		2.719	3.462	2.998	2.868
22		2.984	3.799	3.290	3.147
23		3.261	4.153	3.596	3.440
24		3.551	4.522	3.916	3.746
25		3.853	4.906	4.249	4.064
26		4.168	5.307	4.596	4.396
27		4.495	5.723	4.956	4.741
28		4.834	6.154	5.329	5.093
29		5.185	6.602	5.717	5.496
30		5.549	7.065	6.118	5.853
32		6.313	8.038	6.961	6.659
34		7.127	8.075	7.859	7.518
35		7.557	9.616	8.328	7.966
36		7.990	10.174	8.811	8.428
38		8.903	11.335	9.817	9.390
40		9.865	12.560	10.877	10.405
42		10.876	13.847	11.992	11.471
44		11.936	15.198	13.162	12.590
45		12.485	15.896	13.767	13.169
46		13.046	16.611	14.385	13.761
48		14.205	18.086	15.663	14.982
50		15.413	19.625	16.995	16.257
52		16.671	21.226	18.383	17.584
54		17.978	22.891	19.824	18.963
55		18.650	23.746	20.565	19.672
56		19.336	24.618	21.320	20.394
58		20.740	26.407	22.870	21.876
60		22.195	28.260	24.474	23.411
62		23.700	30.175	26.113	24.997
64		25.253	32.154	27.846	26.636
65		26.049	33.166	28.723	27.475
66		26.856	34.195	29.614	29.327
68		28.509	36.298	31.436	30.069
70		30.210	38.465	33.312	31.864
72		31.961	40.694	35.243	33.711
74		33.762	42.987	37.228	35.610
75		34.680	44.156	38.241	36.579
76		35.612	45.342	39.267	37.561
78		37.510	47.759	41.361	39.564
80		39.458	50.240	43.509	41.619
82		41.456	52.783	45.710	43.725
84		43.520	55.388	46.966	45.883
85		44.545	56.716	49.118	46.984
86		45.599	58.059	50.279	48.096
88		47.744	60.792	52.646	50.360
90		49.940	63.585	55.067	52.674
92		52.184	66.444	57.541	55.042
94		54.477	69.363	60.071	57.463
95		55.643	70.846	61.355	58.689
96		56.820	72.344	62.650	59.930
98		59.212	75.391	65.289	62.454
100		61.654	78.500	67.983	65.029