Condições de fornecimento dos tubos “Com Costura” DIN EN 10305-2

Designação Símboloª Descrição
EN 10305 Antiga 2393
Trefilado a frio/duro +C BK Nenhum tratamento térmico após o processo final de trefilação a frio.
Trefilado a frio/mole +LC BKW Depois do tratamento térmico final é feita uma passada adequada de trefilação.
Trefilado a frio e alívio de tensões +SR BKS Depois do processo final de trefilação a frio é feito um tratamento térmico de alívio de tensões em atmosfera controlada.
Recozido +A GBK Depois do processo final de trefilação a frio, os tubos são recozidos em atmosfera controlada.
Normalizado +N NBK Depois da operação final de trefilação a frio os tubos são normalizados em atmosfera controlada.
ª Este símbolo será considerado na EN 10027-1 revisada, substituindo EN 10027-1 e CR 10260.
Classe do aço
Nome do aço Núm. do aço C max. Si max. Mn max. P max. S max. Al max.
E 155 10033 0,11 0,35 0,70 0,025 0,025 0,015
E 195 10034 0,15 0,35 0,70 0,025 0,025 0,015
E 235 10308 0,17 0,35 1,20 0,025 0,025 0,015
E 275 10225 0,21 0,35 1,40 0,025 0,025 0,015
E 355 10580 0,22 0,55 1,60 0,025 0,025 0,020
Classe do aço Valores mínimos para condições de entrega
+C +LC +SR +A +N
Nome do aço Núm. do aço Rm MPa A% Rm MPa A% Rm MPa ReH MPa A% Rm MPa A% Rm MPa ReH MPa A%
E 155 10033 400 6 350 10 350 245 18 260 28 270 a 410 155 28
E 195 10034 420 6 370 10 370 260 18 290 28 300 a 440 195 28
E 235 10308 490 6 440 10 440 325 14 315 25 340 a 480 235 25
E 275 10225 560 5 510 8 510 375 12 290 22 410 a 550 275 22
E 355 10580 640 4 590 6 590 435 10 450 22 490 a 630 35 22
Rm: Resistência à tração; ReH: Limite de elasticidade superior; A: alongamento depois da fratura
Nome do aço de acordo com a norma EN 10305-2 Antigo
Nome do aço Padrão Nacional
E 155 CEW 1 BS 6323-6: 1981 (1990)
E 195 CEW 2 BS 6323-6: 1981 (1990)
RSt 34-2 DIN 2393:1994
TS-30a NF A 49-341:1975
E 235 CEW 4 BS 6323-6:1982 (1990)
RSt 37-2 DIN 2393:1994
TS-34a NF A 49-341:1975
E 275 CEW 4 BS 6323-6: 1981 (1990)
St 44-2 DIN 2393:1994
TS-42a NF A 49-341:1975
E 355 CEW 5 BS 6323-6: 1981 (1990)
St52-3 DIN 2393:1994
TS-47a NF A 49-341:1975
Nota: As antigas classes de aço do padrão nacional correspondentes são ligeiramente diferentes das classes especificadas na norma EN 10305-2

Condições de fornecimento dos tubos “Sem Costura” DIN EN 10305-1

 

Designação Símboloª Descrição
EN 10305 Antiga 2391
Trefilado a frio/duro +C BK Nenhum tratamento térmico após o processo final de trefilação a frio.
Trefilado a frio/mole +LC BKW Depois do tratamento térmico final é feita uma passada adequada de trefilação.
Trefilado a frio e alívio de tensões +SR BKS Depois do processo final de trefilação a frio é feito um tratamento térmico de alívio de tensões em atmosfera controlada.
Recozido +A GBK Depois do processo final de trefilação a frio, os tubos são recozidos em atmosfera controlada.
Normalizado +N NBK Depois da operação final de trefilação a frio os tubos são normalizados em atmosfera controlada.
ª Este símbolo será considerado na EN 10027-1 revisada, substituindo EN 10027-1 e CR 10260.
Classe do aço
Nome do aço Núm. do aço C max. Si max. Mn max. P max. S max. Al max.
E 215 10212 0,10 0,05 0,70 0,025 0,025 0,025
E 235 10308 0,17 0,35 1,20 0,025 0,025 0,015
E 355 10580 0,22 0,55 1,60 0,025 0,025 0,020
Classe do aço Valores mínimos para condições de entrega
+C +LC +SR +A +N
Nome do aço Núm. do aço Rm MPa A% Rm MPa A% Rm MPa ReH MPa A% Rm MPa A% Rm MPa ReH MPa A%
E 215 10212 430 8 350 10 350 245 18 260 28 270 a 410 155 28
E 195 10034 420 6 370 10 370 260 18 290 28 300 a 440 195 28
E 235 10308 490 6 440 10 440 325 14 315 25 340 a 480 235 25
E 275 10225 560 5 510 8 510 375 12 290 22 410 a 550 275 22
E 355 10580 640 4 590 6 590 435 10 450 22 490 a 630 35 22
Rm: Resistência à tração; ReH: Limite de elasticidade superior; A: alongamento depois da fratura
Nome do aço de acordo com a norma EN 10305-2 Antigo
Nome do aço Padrão Nacional
E 155 CEW 1 BS 6323-6: 1981 (1990)
E 195 CEW 2 BS 6323-6: 1981 (1990)
RSt 34-2 DIN 2393:1994
TS-30a NF A 49-341:1975
E 235 CEW 4 BS 6323-6:1982 (1990)
RSt 37-2 DIN 2393:1994
TS-34a NF A 49-341:1975
E 275 CEW 4 BS 6323-6: 1981 (1990)
St 44-2 DIN 2393:1994
TS-42a NF A 49-341:1975
E 355 CEW 5 BS 6323-6: 1981 (1990)
St52-3 DIN 2393:1994
TS-47a NF A 49-341:1975
Nota: As antigas classes de aço do padrão nacional correspondentes são ligeiramente diferentes das classes especificadas na norma EN 10305-2

Conversão de durezas

HRA HRB HRC HRF HRG HRK 15T 30T 45T HV HB RT
Dia-mante 60 Kg. preta Esf. 1/16″ 100 Kg. verm. Dia-mante 150 Kg. preta Esf. 1/16″ 60 Kg. verm. Esf. 1/16″ 150 Kg. verm. Esf. 1/8″ 150 Kg. verm. Esf. 1/16″ 15 Kg. superfic Esf. 1/16″ 30 Kg. superfic Esf. 1/16″ 45 Kg. superfic 10 Kg. direta Esf. 25mm. 187 Kg. direta MPA
0 57,0 21,0 15,0 62,0 58,0 204,76
1 57,5 22,0 61,0 16,0
2 58,0 23,0 61,5 16,5 63,0 59,0 208,29
3 59,0 23,5 17,0
4 59,5 24,5 62,0 18,0
5 60,0 25,5 62,5 18,5 64,0 60,0 211,82
6 60,5 26,0 19,5
7 61,0 27,0 63,0 20,0 65,0 61,0 215,35
8 61,5 28,0 63,5 20,5
9 62,0 29,0 21,5
10 63,0 29,5 64,0 22,0 66,0 62,0 218,88
11 63,5 30,5 23,0
12 64,0 31,5 64,5 23,5
13 64,5 32,0 65,0 24,0 67,0 63,0 222,41
14 65,0 33,0 25,0
20,0 15 65,5 34,0 65,5 25,5 68,0 64,0 225,94
20,5 16 66,0 35,0 66,0 26,0
21,0 17 66,5 36,5 27,0 69,0 65,0 229,47
18 67,0 37,5 66,5 27,5
21,5 19 67,5 38,0 67,0 28,5 70,0 66,0 233,00
22,0 20 68,0 39,0 29,0
22,5 21 68,5 40,0 67,5 29,5 71,0 67,0 236,53
23,0 22 69,0 41,0 30,5
23,5 23 69,5 41,5 68,0 31,0 72,0 68,0 240,06
24,0 24 70,0 42,5 68,5 32,0
25 70,5 43,5 32,5 73,0 69,0 243,59
24,5 26 71,0 44,5 69,0 33,0 74,0 70,0 247,12
25,0 27 72,0 45,0 69,5 34,0
25,5 28 72,5 46,0 34,5 75,0 71,0 250,65
26,0 29 73,0 47,0 70,0 35,5 1,0
26,5 30 73,5 48,0 70,5 36,0 2,0 76,0 72,0 254,18
27,0 31 74,0 48,5 36,5 3,0 77,0 73,0 257,71
27,5 32 74,5 49,5 71,0 37,5 4,0
33 75,0 50,5 38,0 5,0 78,0 74,0 261,25
28,0 34 75,5 51,5 71,5 38,5 6,0 79,0 75,0 264,77
28,5 35 76,5 52,0 72,0 39,5 7,0 80,0 76,0 268,30
29,0 36 77,0 53,0 40,0 8,0
29,5 37 77,5 54,0 72,5 40,5 9,0 81,0 77,0 271,84
30,0 38 78,0 54,5 73,0 41,5 10,0 83,0 78,0 275,37
30,5 39 78,5 55,5 42,0 11,0 84,0 79,0 278,90
40 79,0 56,5 73,5 43,0 12,5
31,0 41 79,5 57,5 74,0 43,5 13,5 85,0 80,0 282,43
31,5 42 80,5 58,0 44,0 14,5 86,0 81,0 285,96
32,0 43 81,0 59,0 74,5 95,5 15,5 87,0 82,0 289,49
32,5 44 81,5 60,0 75,0 45,0 16,5 88,0 83,0 293,02
33,0 45 82,0 61,0 45,5 17,5 89,0 84,0 296,05
33,5 46 82,5 61,5 75,5 46,0 18,5
34,0 47 83,0 62,5 76,0 47,0 19,5 90,0 85,0 300,08
4,5 48 84,0 63,5 47,5 20,5 91,0 86,0 303,61
49 84,5 64,5 76,5 48,5 22,0 92,0 87,0 307,14
35,0 50 85,0 2,50 65,0 77,0 49,0 23,0 93,0 88,0 310,66
35,5, 51 85,5 4,0 66,0 49,5 24,0 94,0 89,0 314,20
36,0 52 86,0 5,5 67,0 77,5 50,5 25,0 95,0 90,0 317,73
36,5 53 86,5 7,0 68,0 78,0 51,0 26,0
37,0 54 87,0 8,5 68,5 51,5 27,0 98,0 93,0 328,32
37,5 55 87,5 10,0 69,5 78,5 52,5 28,0 100,0 95,0 335,38
56 88,0 11,5 70,5 79,0 53,0 29,0 101,0 96,0 338,91
38,0 57 89,0 13,0 71,0 54,0 30,0 103,0 98,0 345,97
38,5 58 90,0 14,5 72,0 79,5 54,5 31,0 104,0 99,0 349,50
39,0 59 90,5 16,0 73,0 80,0 55,0 32,0 106,0 101,0 356,56
39,5 60 91,0 17,5 74,0 56,0 33,5 107,0 102,0 360,09
40,0 61 91,5 19,0 80,5 56,5 34,5 108,0 103,0 363,62
40,5 62 92,0 20,5 74,5 58,0 57,0 35,5 110,0 105,0 370,68
41,0 63 93,0 22,0 75,5 58,5 81,0 36,5 113,0 107,0 377,74
41,5 64 93,5 23,5 76,5 81,5 59,5 37,5 115,0 109,0 384,81
65 94,0 25,0 77,5 60,0 38,5 117,0 111,0 391,87
42,0 66 94,5 26,5 78,0 82,0 60,5 39,5 120,0 113,0 398,93
42,5 67 95,0 28,0 79,0 82,5 61,5 40,5 125,0 115,0 406,00
43,0 68 95,5 29,5 80,0 62,0 41,5 127,0 117,0 413,05
43,5 69 96,0 31,0 81,0 83,0 62,5 42,5 129,0 119,0 420,11
44,0 70 97,0 32,5 81,5 83,5 63,5 43,5 131,0 121,0 417,17
44,5 71 97,5 34,5 82,5 64,0 44,5 133,0 123,0 434,23
45,0 72 98,0 36,0 83,5 84,0 65,0 45,5 135,0 125,0 441,29
45,5 73 98,5 37,5 84,5 84,5 66,5 46,5 137,0 127,0 448,35
46,0 74 99,0 39,0 85,0 66,0 47,5 140,0 130,0 458,94
46,5 75 99,5 41,0 86,0 85,0 67,0 48,5 142,0 132,0 466,0
47,0 76 42,5 87,0 67,5 49,0 146,0 136,0 480,13
48,0 77 44,0 88,0 85,5 68,0 50,0 147,0 137,0 483,65
48,5 78 10,0 46,0 88,5 86,0 69,0 51,0 149,0 139,0 490,72
49,0 79 47,5 89,5 69,5 52,0 151,0 141,0 497,77
49,5 80 49,5 90,5 86,5 70,0 53,0 154,0 144,0 508,36
50,0 81 11,0 51,0 91,0 87,0 71,0 54,0 157,0 147,0 518,95
50,5 82 12,0 52,5 92,0 71,5 55,0 160,0 150,0 529,55
51,0 83 54,0 93,0 87,5 72,0 56,0 163,0 153,0 540,14
52,0 84 13,0 56,0 94,0 88,0 73,0 57,0 166,0 156,0 550,73
52,5 85 57,5 94,5 73,5 58,0 169,0 159,0 561,32
53,0 86 59,5 95,5 88,5 74,0 58,5 173,0 162,0 571,92
53,5 87 14,0 61,0 96,5 89,0 74,5 59,5 182,0 169,0 596,62
54,0 88 15,0 62,5 97,0 75,0 50,0 187,0 172,0 607,22
55,0 89 64,0 98,0 89,5 75,5 61,5 190,0 176,0 621,33
55,5 90 66,0 98,5 90,0 76,0 62,5 195,0 180,0 635,46
56,0 91 16,0 67,5 99,5 77,0 63,5 200,0 185,0 653,11
56,5 92 17,0 69,0 100,0 90,5 77,5 64,5 205,0 190,0 670,76
57,0 93 71,0 91,0 78,0 65,5 210,0 195,0 688,41
57,5 94 18,0 72,5 78,5 66,0 215,0 200,0 706,06
58,0 95 74,0 91,0 79,0 67,0 220,0 210,0 741,37
59,0 96 76,0 80,0 68,0 225,0 216,0 762,55
59,5 97 19,0 77,5 92,0 80,5 69,0 234,0 222,0 783,73
60,0 98 20,0 79,0 81,0 70,0 240,0 228,0 804,92
61,0 99 21,0 81,0 92,5 81,5 71,0 250,0 234,0 826,09
61,5 100 22,0 82,5 93,0 82,0 72,0 255,0 240,0 847,28
62,0 (101) 23,0 84,0 82,5 73,0 260,0 247,0 872,00
62,5 (102) 24,0 85,5 93,5 83,0 74,0 270,0 257,0 907,30
63,0 (103) 25,5 87,0 83,5 75,0 275,0 261,0 921,42
64,0 (104) 27,0 88,5 94,0 84,0 76,0 280,0 266,0 939,07
64,5 (105) 28,5 90,0 94,5 84,5 77,0 290,0 276,0 974,37
65,0 29,0 91,5 85,0 78,0 295,0 280,0 988,49
65,5 30,0 93,0 95,0 85,5 79,0 300,0 85,0 1006,14
66,0 31,0 94,5 86,0 80,0 310,0 295,0 1041,45
66,5 32,0 96,0 95,5 86,5 81,0 320,0 304,0 1073,00
67,0 33,0 97,5 87,0 82,0 330,0 314,0 1108,00
67,5 34,5 99,0 96,0 87,5 83,0 340,0 323,0 1140,00
68,0 35,5 96,5 88,0 84,0 350,0 333,0 1175,00
68,5 36,5 88,5 85,0 360,0 342,0 1207,00
69,0 38,0 97,0 89,0 86,0 370,0 352,0 1242,00
69,5 39,0 97,5 89,5 87,0 380,0 361,0 1274,00
70,0 40,0 90,0 88,0 390,0 371,0 1310,00
70,5 41,0 98,0 90,5 89,0 400,0 380,0 1341,00
71,0 42,0 98,5 91,0 90,0 410,0 390,0 1377,00
71,5 42,5 91,5 91,0 420,0 399,0 1409,00
72,0 43,5 99,0 92,0 92,0 430,0 409,0 1444,00
72,5 44,5 92,5 93,0 440,0 418,0 1476,00
73,0 45,5 99,5 93,0 94,0 450,0 428,0 1511,00
73,5 46,0 100,0 93,5 95,0 460,0 437,0 1543,00
74,0 47,0 94,0 96,0 470,0 447,0 1578,00
74,5 48,0 94,5 97,0 480,0 456,0 1610,00
75,0 48,5 95,0 98,0 490,0 466,0 1645,00
75,5 49,0 95,5 99,0 500,0 475,0 1677,00

Tolerância NBR 6158

Diâmetro H8 H9 H10 H11
1 a 3 -0,014 -0,025 -0,040 -0,060
> 3 a 6 -0,018 -0,030 -0,048 -0,075
> 6 a 10 -0,022 -0,036 -0,058 -0,090
> 10 a 18 -0,027 -0,043 -0,070 -0,110
> 18 a 30 -0,033 -0,052 -0,084 -0,130
> 30 a 50 -0,039 -0,062 -0,100 -0,160

 

CÁLCULO DO PESO POR METRO DO AÇO
tabela_08 Kgs/M = (D – e) x e x 0,0246612 ÁREA (mm2) = (D – e) x e x 3,1416
tabela_09 Kgs/M = (D – e) x e x 0,0246612 ÁREA (mm2) = (D – e) x e x 3,4640
tabela_10 Kgs/M = (A – e) x e x 0,0314 ÁREA (mm2) = (A – e) x e x 4
tabela_11 Kgs/M = (B + H) – (2 x e) x e x 0,0157 ÁREA (mm2) = (B + H) – (2 x e) x e x 2