TUBULAÇÃO DE AÇO SEM COSTURA
Classfication of carbon seamless steel pipe:
Tipos de | Aplicação |
Structure Purposes | Mecânica e estrutura geral |
Liquid Services | Petróleo, gás e outros fluidos de transporte |
Baixo | vapor |
Hydraulic Pillar Service | Hydraulic support |
Auto Semi-shaft Casing | Auto sem-shaft casing |
Tubo de linha | Petróleo e gás de transporte |
Tubing and Casing | Petróleo e gás de transporte |
Drill Pipes | Perfuração de poço |
Geological Drilling Pipe | Geological drilling |
Petroleum Cracking Tubes | Tubos de fornalha, trocadores de calor |
Carbon Steel Seamless Pipe Chemical Composition and Mechanical Properties
Padrão | Grau | Composição química (%) | Propriedades mecânicas | ||||||
ASTM A53 | C | Si | MN | P | S | Resistência à tração(MPa) | Força de rendimento(MPa) | ||
A | ≤0.25 | - | ≤0.95 | ≤0.05 | ≤0.06 | ≥330 | ≥205 | ||
B | ≤0.30 | - | ≤1.2 | ≤0.05 | ≤0.06 | ≥415 | ≥240 | ||
ASTM A106 | A | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥415 | ≥240 | |
B | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥485 | ≥275 | ||
ASTM A179 | A179 | 0.06-0.18 | - | 0.27-0.63 | ≤0.035 | ≤0.035 | ≥325 | ≥180 | |
ASTM A192 | A192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | ≥325 | ≥180 | |
API 5L PSL1 | A | 0.22 | - | 0.90 | 0.030 | 0.030 | ≥331 | ≥207 | |
B | 0.28 | - | 1.20 | 0.030 | 0.030 | ≥414 | ≥241 | ||
X42 | 0.28 | - | 1.30 | 0.030 | 0.030 | ≥414 | ≥290 | ||
X46 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥434 | ≥317 | ||
X52 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥455 | ≥359 | ||
X56 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥490 | ≥386 | ||
X60 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥517 | ≥448 | ||
X65 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥531 | ≥448 | ||
X70 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥565 | ≥483 | ||
API 5L PSL2 | B | 0.24 | - | 1.20 | 0.025 | 0.015 | ≥414 | ≥241 | |
X42 | 0.24 | - | 1.30 | 0.025 | 0.015 | ≥414 | ≥290 | ||
X46 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥434 | ≥317 | ||
X52 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥455 | ≥359 | ||
X56 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥490 | ≥386 | ||
X60 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥517 | ≥414 | ||
X65 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥531 | ≥448 | ||
X70 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥565 | ≥483 | ||
X80 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥621 | ≥552 | ||
Carbon Steel Seamless Pipe Chemical Composition and Mechanical Properties
Padrão | Chemical components | Propriedade mecânica | |||||||||||
C | Si | MN | P | S | Cu | Ni | Mo | Cr | V | Resistência à tração (MPa) | força de rendimento (MPa) | Alongamento (%) | |
ASTM A53 | ≤0.30 | / | ≤1.2 | ≤0.05 | ≤0.06 | ≤0.04 | ≤0.40 | ≤0.15 | ≤0.04 | ≤0.08 | ≥415 | ≥240 | ≥29.5 |
ASTM A106 | ≤0.30 | ≤0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≤0.04 | ≤0.40 | ≤0.15 | ≤0.04 | ≤0.08 | ≥415 | ≥240 | ≥30 |
ASTM A179 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / | / | / | ≥325 | ≥180 | ≥35 |
ASTM 192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / | / | / | ≥325 | ≥180 | ≥35 |
Carbon Steel Seamless Pipe Tolerance
Pipe types | Pipe Szie(mm) | Tolerâncias | |
Laminados a quente, | OD | All | ±1% (min ±0.50mm) |
WT | All | +15%, -12.5% | |
Estirado a frio | OD | 6～10 | ±0.20mm |
10～30 | ±0.40mm | ||
30~ 50 | ±0.45mm | ||
>50 | ±1% | ||
WT | ≤1 | ±0.15mm | |
>1～3 | +15% -10% | ||
>3 | +12.5% -10% | ||
Carbon Steel Seamless Pipe End
Extremidade lisa | Wall Thickness less than 0.5 polegadas, including SCH STD & SCH XS |
Extremidade lisa (Square Cut) | Wall Thickness over 0.5 polegadas, including SCH XXS |
Extremidade chanfrada | Wall Thickness less than 0.5 polegadas, including SCH STD & SCH XS |
acoplamentos | Outside Diameter equal or less than 2'' |
Thread Protection | Outside Diameter over 4 polegadas |