Metal treatment – Stock – Ferrous
Patent
2000-01-07
2000-12-12
Yee, Deborah
Metal treatment
Stock
Ferrous
148333, 148909, 148506, 148592, 148593, C22C 3838, C22C 3840, C22C 3818, C21D 700
Patent
active
061593117
ABSTRACT:
A martensitic stainless steel pipe comprises, on the weight basis, C: 0.005 to 0.2%, Si: 1% or below, Mn: 0.1 to 5%, Cr: 7 to 15%, and Ni: 0 to 8%, wherein a wall thickness t (mm) and contents of C and Cr satisfy the relationship represented by the following equation (1).
REFERENCES:
patent: 5944921 (1999-08-01), Cumino et al.
Amaya Hisashi
Kondo Kunio
Ueda Masakatsu
Sumitomo Metal Industries Ltd.
Yee Deborah
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