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ISO 9330-2-1997
Electric resistance and induction welded unalloyed and alloyed steel tubes with specified elevated temperature properties
Material Designation Chemical Composition (%)
PH 23
Min
Max
PH 26
Min
Max
PH 27
Min
Max
PH 35
Min
Max
16Mo3
Min
Max
13CrMo4-5
Min
Max
11CrMo9-10
Min
Max
For Reference Only