MATERIAIS E NORMAS TECNICAS
API 5L / ASTM A 106 / A 53 / NBR 5590 / NBR 5580 M / NBR 5580 L / NBR5580 L / NBR
SCH – 10 – 20 – 30 – 40 – 80 – 100 – 120 – 140 – 160 – XS – XXS
ASTM – 178 / 179 / 192 / 213
ELETRODUTO GALVANIZADO NBR 55 97 / 5598
ASTM – 333 – 335 P 5 / P11 / P22 / P91 AÇO LIGA ALTA TEMPERATURA