Alloy Steel Pipes - Manufacturers, Suppliers & ExportersThe type of PipeAlloy Steel PipesMaterials StandardSA335/SA335MMaterialsWP11,WP22,WP91Diameter1/2"-24"Production StandardASME B36.10/ASMEB36.19Wall ThicknessSchedule10S-40MMThe tolerance of WT±10%OriginChinaLengthFixed: 3.0 , 5.8 , 5.85 , 5.9 , 6.0 ,11.8 , 12.0m. Random length: 5-12mPacking detail In bulk ,Plywood cases,Plywood pallet,othersCertification3.1 Mill CertificationMarkingAccording to the Clients’ requirementProduction capacity500 tons/monthSurface TreatmentBlasting Delivery TimeAs per the quantity of orderDelivery PortAny Port of 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 P11 0.05-0.15 0.30-0.60 ≤0.025 ≤0.025 0.50-1.00 P91 0.08-0.12 0.30-0.60 ≤0.025 ≤0.010 0.20-0.50 Grade Cr Cu Mo Ni N P11 1.00-1.50 / 0.44-0.65 / / P22 1.90-2.60 / 0.87-1.13 / / P91 8.00-9.00 / 0.85-1.05 / / MECHANICAL PROPERTIES:GradeUltimate Tensile Strength ,psi MinimumYield Strength,ksi MinimumElongation Percent %Reduction of Area % Hardness P11 ≥415 ≥205 ≥30 / / P91 ≥585 ≥415 ≥30 / /
