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

Condições de entrega Composição química (Análise do material fundido) Propriedades mecânicas a temperatura ambiente Lista de correspondência com antigas denominações de aço
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 mín.
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

Condições de entrega Composição química (Análise do material fundido) Propriedades mecânicas a temperatura ambiente Lista de correspondência com antigas denominações de aço
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 mín.
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

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