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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:
급 | 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:
급 | 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% |