API5L/A106B Seamless Steel Tubes

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API5L/A106B Seamless Steel Tubes

표준: ASTM A106/API 5L
Seamless carbon steel tubes for high-temperature service
● Application: for high temperature service.
● Size range: O.D.: 15-120mm W.T.: 1-15mm L.: 15000mm max.

Table 1: steel grade and chemical composition:

C (.max) 미네소타 P (.max) S (.max) Si (분) 크롬 (.max) ᄏᄏ�� (.max) 모 (.max) N (.max) V (.max)
A 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:

Tensile Strength Rm (음파) Yield Point (음파) Elongation A% 납품 조건
A ≥330 ≥205 20 Annealed
B ≥415 ≥240 20 Annealed
C ≥485 ≥275 20 Annealed

Table 3: Dimension Tolerances

Pipe Type Pipe Sizes 공차
Cold Drawn 최저가 ≤48.3mm ±0.40mm
≥60.3mm ±1%mm
증권 시세 표시기 ±12.5%

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