Kelas sareng Komposisi Kimia (%)
Kelas | C | Mn | P≤ | S≤ | Si | Cr | Mo |
T11 | 0.05-0.15 | 0.30-0.60 | 0,025 | 0,025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 |
T12 | 0.05-0.15 | 0.30-0.61 | 0,025 | 0,025 | ≤0,50 | 0.80-1.25 | 0.44-0.65 |
T13 | 0.05-0.15 | 0.30-0.60 | 0,025 | 0,025 | ≤0,50 | 1.90-2.60 | 0.87-1.13 |
Sipat mékanis (MPa):
Kelas | Titik Tensile | Titik ngahasilkeun |
T11 | ≥415 | ≥205 |
T12 | ≥415 | ≥220 |
T13 | ≥415 | ≥205 |
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Out Diaméter Inspection
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Inspeksi Ketebalan Tembok
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Tungtung Inspeksi
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Inspeksi Straightness
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Inspeksi UT
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Pamariksaan penampilan
ASTM A213 alloy pipah baja mulus dihasilkeun boh ku tiis-digambar atawa panas digulung, sakumaha dieusian.Kelas TP347HFG kedah tiis réngsé.perlakuan panas kudu dipigawé misah jeung sajaba ti pemanasan pikeun ngabentuk panas.The alloy ferritic jeung steels ferritic kudu dipanaskeun deui.Di sisi anu sanésna, tabung stainless steel austenitic kedah dilengkepan dina kaayaan anu dirawat panas.Alternatipna, langsung saatos panas ngabentuk, bari hawa tina tabung teu kirang ti suhu solusi minimum, tabung bisa individual quenched dina cai atawa gancang leuwih tiis ku cara séjén.
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JIS G3441Alloy pipah Seamless Steel
ASTM A519 Alloy pipa baja seamless
ASTM A335 Alloy pipa baja seamless