ASTM A182 UNS S31803 Duplex Steel Thread Flanges Manufacturer
ASTM A182 UNS S31803 Duplex Steel thread Flanges manufacturerThe type of Fittingsthread FlangeMaterials StandardSA182/A182MProduction StandardASME B16.5,Nace MR0175,ANSI B16.5,EN1092-1,JIS B2220,HG20592,HG20615Pressure Class75LB, 125LB, 150LB, 300LB, 400LB, 600LB, 900LB, 1500LB, 2500LB; 5K, 10K, 16K, 20K, 30K PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN80, PN100, PN250, PN320, PN400Heat TreatmentSolutionSealing FaceRF, FF,RTJ,TG,MFF,LF,LM,TF,GF,Surface FinishingPickling,BlastingOriginalChinaTechnicsForgingMaterial2205/S31803/UNS2205Diameter1/2"-4"Certification3.1 Mill CertificationPacking DetailPlywood Cases,Plywood Pallet,othersPayment30%T/T in advance,70% before shipmentDelivery timeAccording to the quantity of order Delivery PortAny Port in ChinaApplicationChemical processing, transport and storage, Oil and Gas exploration and processing equipment, Marine and other high chloride environments, Pulp and paper digesters, liquor tanks and paper machines.CHEMICAL PROPERTIES:Grade C Mn P S Si S31803/F51 ≤0.030 ≤2.00 ≤0.030 ≤0.02 ≤1.00 Grade Cr N Mo Ni V S31803/F51 21.0-23.0 0.15-0.35 2.5-3.5 4.5-6.5 / MECHANICAL PROPERTIES:GradeUltimate Tensile Strength ,psi MinimumYield Strength,ksi MinimumElongation Percent %Reduction of Area % S31803/F51 ≥620≥450≥25/
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