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Products Specification

Duplex stainless steel commonly used indicators of physical and chemical properties

 

Duplex stainless steel commonly used indicators of physical and chemical properties

1、Chemical Composition(%)
Steel Specification C≤ Mn≤ Si≤ S≤ P≤ Cr Ni Mo Cu≤ N
S32750(SAF2507)

00Cr25Ni7Mo4N
0.03 1.20 0.80 0.020 0.035 24.0/26.0 6.0/8.0 3.0/5.0 0.50 0.24/0.32
S31803(SAF2205)

00Cr22Ni5Mo3N
0.03 2.00 1.0 0.02 0.030 21.0/23.0 4.5/6.50 2.50/3.50   0.08/0.20
S31500(3RE60)

00Cr18Ni5Mo3Si2
0.03 1.2/2.00 1.4/2.00 0.030 0.030 18.0/19.0 4.25/5.25 2.50/3.00   0.05/0.10
    2、Mechanical Properties
Items
Heat Treatment System
σb(Mpa)≥ σs(Mpa)≥ σ%≥
Hardness
Steel Specification
Brucellosis
Rockwell
S32750(SAF2507)

00Cr25NiMo4N
1025-1125

Water quenched
800 550 15 310 32
S31803(SAF2205)

00Cr22Ni5Mo3N
1020-1100

Water quenched
620 450 25 290 30.5
S31500(3RE60)

00Cr18Ni5Mo3Si2
980-1040

Water quenched
630 440 30 290 30.5