TUBI SENZA SALDATURA TRAFILATI A FREDDO 
DIAMETROSPESSORE mm
ESTERNO57,51012,51517,52025
mmPESO – Kg/mt
505,557,869,86
556,178,7911,10
606,789,7112,3314,64
657,4010,6313,5616,18
708,0111,5614,8017,7220,34
758,6312,4816,0319,2722,19
809,2513,4117,2620,8124,04
859,8614,3318,5022,3525,89
9010,4815,2619,7323,8927,7431,29
9511,1016,1820,9625,4329,5933,45
10011,7117,1122,1926,9731,4435,60
10512,3318,0323,4328,5133,2937,76
11012,9518,9624,6630,0535,1439,92
11513,5619,8825,8931,6036,9942,08
12014,1820,8127,1333,1438,8444,23
12514,8021,7328,3634,6840,6946,39
13015,4122,6629,5936,2242,5448,55
13516,0323,5830,8337,7644,3950,71
14016,6524,5132,0639,3046,2452,86
14517,2625,4333,2940,8448,0955,0261,65
15017,8826,3634,5242,3849,9457,1864,12
15518,5027,2835,7643,9351,7959,3466,58
16019,1128,2036,9945,4753,6461,5069,05
16519,7329,1338,2247,0155,4963,6571,51
17020,3430,0539,4648,5557,3365,8173,98
18021,5831,9041,9251,6361,0370,1378,91
19022,8133,7544,3954,7164,7374,4483,84
20024,0435,6046,8557,8068,4378,7688,78
20524,6636,5348,0959,3470,2880,9291,24
21025,2837,4549,3260,8872,1383,0793,71114,05
22026,5139,3051,7963,9675,8387,3998,64120,22
22527,1340,2353,0265,5077,6889,55101,11123,30
23027,7441,1554,2567,0479,5391,70103,57126,38
24028,9843,0056,7270,1383,2396,02108,50132,55
25030,2144,8559,1873,2186,93100,34113,44138,71
26031,4446,7061,6576,2990,63104,65118,37144,88

QUALITA’ ACCIAIO E COMPOSIZIONE CHIMICA 
TIPO DI ACCIAIOC %Mn %P %S %Si %Al %
maxmaxmaxmaxmaxmax
E 3550.221.60.0250.0250.55/
St 520.221.60.0350.0350.550.02
St 52.30.221.60.040.0350.55/

CARATTERISTICHE MECCANICHE 
TIPO DI ACCIAIORESISTENZA ALLA TRAZIONE
N/mm²N/mm²%
minminmin
E 35558045010
St 5257047015
St 52.360052014

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