Duplex & Super Duplex

Duplex & Super Duplex Material Specifications

UNS
Number
Grades
Type Chemical Composition (%)
C Mn P S Si Cr Ni Mo N Cu Other
S31200 - 0.03 2 0.045 0.03 1.00 24-26 5.5-6.5 1.2-2 0.14-0.2 - -
S31260 - 0.03 1 0.030 0.03 0.75 24-26 5.5-7.5 2.5-3.5 0.1-0.2 0.2-0.8 W0.1-0.2
S31803 - 0.03 2 0.030 0.02 1.00 21-23 4.5-6.5 2.5-3.5 0.08-0.2 - -
S32001 - 0.03 4-6 0.040 0.03 1.00 22-23 1-3 0.6 0.05-0.17 1 -
S32205 2205 0.03 2 0.030 0.02 1.00 19.5-21.5 4.5-6.5 3-3.5 0.14-0.2 - -
S32304 2304 0.03 2.5 0.040 0.03 1.00 21.5-24.5 3-5.5 0.05-0.6 0.05-0.2 0.05-0.6 -
S32520 - 0.03 1.5 0.035 0.02 0.80 24-26 5.5-8 3-4 0.2-0.35 0.5-2 -
S32550 255 0.04 1.5 0.040 0.03 1.00 24-27 4.5-6.5 2.9-3.9 0.1-0.25 1.5-2.5 -
S32750 2507 0.03 1.2 0.035 0.02 0.80 24-26 6-8 3-5 0.24-0.32 0.5 -
S32760 - 0.03 1 0.030 0.01 1.00 24-26 6-8 3-4 0.2-0.3 0.5-1 C
S32900 329d 0.06 1 0.040 0.03 0.75 23-28 2.5-5 1-2 - - -
S32950 - 0.03 2 0.035 - - - - - - - -
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