Tubes en acier sans soudure API5L / A106B

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Tubes en acier sans soudure API5L / A106B

Standard: ASTM A106/API 5L
Seamless carbon steel tubes for high-temperature service
● Demande d’inscription: for high temperature service.
● Gamme de tailles: O.D.: 15-120mm W.T.: 1-15mm L.: 15000mm max.

Table 1: steel grade and chemical composition:

Grade C (.max) Mn P (.max) S (.max) Si (Min) Cr (.max) Cu (.max) Lu (.max) N (.max) V (.max)
Un 0.25 0.27-0.93 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08
B 0.30 0.29-1.06 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08
C 0.35 0.29-1.06 0.035 0.035 0.10 0.40 0.40 0.15 0.40 0.08

Table 2: Mechanical property:

Grade Tensile Strength Rm (Mpa) Limite d’élasticité (Mpa) Elongation A% Condition de livraison
Un ≥330 ≥205 20 Annealed
B ≥415 ≥240 20 Annealed
C ≥485 ≥275 20 Annealed

Table 3: Tolérances dimensionnelles:

Pipe Type Pipe Sizes Tolérances
Cold Drawn OD ≤48.3mm ±0.40mm
≥60.3mm ±1%mm
WT ±12.5%

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