DUPLEXSTAINLESSSTEELANDSUPERDUPLEXSTAINLESSSTEELCASTINGS

ElementWt%Yield

C W N PRE Heat Strength Strength L50mm)Max. Max. Max. Max. Max. Max. Treatment Min.(Nmm) Min.(Nmm) Min

ASTM A 890 3A 25Cr-5Ni 4.0 24.0 1.75 0.15 Min.UNS J93371 -Mo-N 0.06 1.00 1.00 0.040 0.040 1070 450 655 25ACI CD6MN 6.0 27.0 2.5 0.25 WQ

ASTM A 890 5AA 25Cr-7Ni 6.0 24.0 4.0 0.10 Min. Min.1120UNS J93404 -Mo-N 0.03 1.00 1.50 0.040 0.040 FCMin. 515 690 18ACI CE3MN 8.0 26.0 5.0 0.30 1045WQ

ASTM A 890 6AA 25Cr-7Ni 6.5 24.0 3.0 0.5 0.5 0.20 Min. Min.UNS J93380 -Mo-N 0.03 1.00 1.00 0.030 0.025 1100 450 690 25

ACI CD3MWCuN 8.5 26.0 4.0 1.0 1.0 0.30 WQJIS G 5121 24Cr-6Ni 4.5 21.0 2.50 0.08 1050

SCS10 -Mo-N 0.03 1.50 1.50 0.040 0.030 1150 390 620 158.5 26.0 4.00 0.30 WQ

TestMethodPerASTMG48MethodATestSolution10FeClTestTemp.50TestTime24hoursTestMateriarl

ASTMA890Gr.A(PRE42.5

ASTMA890Gr.APRE37.4

JISSUSL

Ni-Resist

TestResult

ASTMA890Gr.A(PRE42.5 0.3ASTMA890Gr.APRE37.4 2190.4JISSUSL 1760.0Ni-Resist 2555.1

Photo-1

Photo-1

Weight loss/Area (gm2day

cresult

YONAGOSTEELCO.,LTD

PittingCorrosionTest

40

Designation Type

40

PRE3.316

cresult

Gr.5A 316LGr.3A Ni-Resist