175 MPa超高压井口6BX型法兰结构评价及轻量化设计
张绪亮,史君林,董仁,练章华,查磊,蒋洪波

Structural evaluation and lightweight design of 175 MPa ultra-high pressure wellhead 6BX flange
Xuliang ZHANG,Junlin SHI,Ren DONG,Zhanghua LIAN,Lei ZHA,Hongbo JIANG
表2 两种马氏体不锈钢的主要化学成分
Table 2 Main chemical composition of two types of martensitic stainless steels
化学成分含量/%
410(UNS S41000)F6NM(UNS S41500)
C0.150.05
Mn10.50~1.00
P0.040.03
S0.030.03
Si10.6
Ni0.53.5~5.5
Cr11.5~1.511.5~14.0
Mo00.50~1.00