Kelas sareng Komposisi Kimia (％)
| unsur | Kelas 6 |
| C (Max) | 0.30 |
| Mn | 0.29-1.06 |
| P (Max) | 0,025 |
| S (Max) | 0,025 |
| Si | 0.10 mnt |
| Ni | 0,40 max |
| Cr | 0.30 max |
| Cu | 0,40 max |
| Al | .... |
| V (Max) | 0.08 |
| Nb (Max) | 0.02 |
| Mo (Max) | 0.12 |
| Co | ... |
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ASTM A333
Kelas
Kakuatan Tensile (MPa)
Titik Hasil (MPa)
Elongation (%)
Y
X
Kelas 6
≥415
≥240
≥30
≥16.5
Seamless karbon jeung alloy steel pipe dimaksudkeun pikeun pamakéan dina suhu lemah sareng dina aplikasi sejenna merlukeun kateguhan kiyeu.Contona: pembangkit listrik, pembangkit listrik tenaga nuklir, pabrik kimia, kilang minyak, pabrik industri jeung saterusna.
JIS G 3441 Kelas 2 Alloy Seamless Steel Tube
ASTM A213 T11 Alloy Seamless Steel Boiler Tube
ASTM A335 P9 Seamless Alloy Steel Pipe Boiler Tube
ASTM A519 1020 Seamless Karbon Sareng Alloy Mechanical Tubing
