EN 10305-5 STAS 7657	Teava neagra rotunda sudata longitudinal pentru constructii
	GROSIME (mm) - kg / m
DIMENS (mm)	1.0	1.2	1.4	1.5	2.0	2.5	2.8	3.0	3.5	3.8	4.0	5.0	6,0	7,0	8,0
13,5   1/4"	0.308	0,364	0,418	0,444	0,567	0,678
17,2   3/8"	0.399	0,473	0,545	0,580	0,749	0,906
18,0	0.419	0,497	0,573	0,610	0,789	0,955
21,3   1/2"	0.500	0,595	0,687	0,732	0,951	1,159
22,0	0.518	0,615	0,711	0,758	0,986	1,202
25,0	0.592	0,704	0,814	0,869	1,134	1,387
26,9   3/4"	0.638	0,760	0,880	0,939	1,228	1,504
32,0	0.764	0,911	1,056	1,128	1,479	1,818	2,015	2,144
33,7   1"	0.806	0,961	1,115	1,191	1,563	1,923	2,133	2,270
40,0	0.961	1,148	1,332	1,423	1,873	2,311	2,567	2,736	3,149	3,391	3,549
42,4   1.1/4"		1,219	1,415	1,512	1,992	2,459	2,733	2,914	3,356	3,616	3,786
45.0		1,296	1,505	1,609	2,121	2,620	2,914	3,107	3,582	3,861	4,044
48,3   1.1/2"		1,390	1,615	1,727	2,278	2,816	3,133	3,342	3,856	4,159	4,358
50,0		1.443	1.677	1,793	2,366	2,927	3,258	3,476	4,012	4,327	4,535
60,3   2"				2,174	2,874	3,562	3,968	4,237	4,900	5,292	5,551
63					3,009	3,730	4,157	4,439	5,136	5,548	5,820
70					3,354	4,162	4,640	4,957	5,740	6,204	6,511
76,1   2.1/2"					3,658	4,542	5,066	5,413	6,272	6,781	7,119
88,9					4,284	5,324	5,942	6,352	7,368	7,971	8,371	10,340
101,6   3.1/2"								7,291	8,463	9,161	9,623	11,905
108,0								7,764	9,015	9,760	10,254	12,694
114,3   4"								8,230	9,559	10,350	10,875	13,475
127,0   4.1/2"								9,169	10,655	11,540	12,127	15,036
130,0								9,391	10,913	11,821	12,423	15,406
133,0								9,613	11,172	12,102	12,719	15,775
139.7   5"											13,379	16,601
152,0											14,592	18,117
159,0											15,282	18,980
168.3   6"											16,208	20,136	24,015
178.0											17,164	21,332	25,451
193.0   7"												23,182	27,670	32,109	36,499
219.1   8"												26,400	31,532	36,615	41,648
244.5   9"												29.532	35.291	41.000	46.660
273.0   10"													39,508	45,920	52,282