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Caractéristiques: 1) tubes en acier sans soudure pour la construction 2) Normes: ASTM, A500, A501, A519 3) Symbole: G A, Gr B 4) Diamètre: 12-114mm 5) Epaisseur: 0.75-12mm 6) Types: a) 10 C: 0.07 - 0.13%, Si: 0.17 - 0.37%, Mn: 0.35 - 0.65%, P (max.): 0,035%, s (max.): 0,035% b) 20 C: 0.17 - 0.23%, Si: 0.17 - 0.37%, Mn: 0.35 - 0.65%, P (max.): 0,035%, s (max.): 0,035% c) 45 C: 0.42 - 0.50% , Si: 0.17-0.37%, Mn: 0.50 - 0.80%, P (max.): 0,035%, s (max.): 0,035% d) 16Mn C (max.): 0,20%, Si (max. ): 0,55%, Mn: 1.00 - 1.60%, P (max.): 0,035%, s (max.): 0,035% Emballage: voyage en acier
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