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China, Chinese ASTM A333 Cold Worked Seamless Carbon Steel Pipes for Cryogenic Service1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Industrial Pipeline PipesLow Temperature Steel PipeASTM A333 Grade6 PipeSA 333 Thick Wall Pipe
EZ Steel Industrial Co., Ltd.
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Product Description Product Description1. Standard CompliancePrimary Standard: ASTM A333 (Low-Temperature Seamless and Welded Steel Pipe).Complementary Standards:ASME B36.10M (Dimensions and Weights).NACE MR0175 (Sour Service Compatibility).2. Dimensional SpecificationsParameterToleranceOD Tolerance±1% (Seamless) / ±0.75% (Welded)Wall Thickness Tolerance±12.5% (Minimum WT ≥87.5% Nominal)Straightness≤0.2% of Total Length3. Performance AdvantagesCryogenic Toughness: Grade 6 (3.5% Ni) achieves ≥18J Charpy Impact at -100°C.Sour Service Compliance: Grade 1/3/6 meet NACE MR0175 for H2S environments.Weldability: Pre-qualified for SMAW, GTAW, and SAW processes (AWS D1.1/D1.6).4. Quality AssuranceChemical Composition Chemical Composition of ASTM A333ElementGrade 1, %Grade 3, %Grade 4, %Grade 6, %Grade 7, %Grade 8, %Grade 9, %Grade 10, %Grade 11, %C0.300.190.120.300.190.130.200.200.10Mn0.40-1.060.31-0.640.50-1.050.29-1.060.900.900.40-1.061.15-1.500.60P0.0250.0250.0250.0250.0250.0250.0250.0350.025S0.0250.0250.0250.0250.0250.0250.0250.0150.025Si...0.18-0.370.08-0.370.10 min0.13-0.320.13-0.32...0.10-0.350.35Ni...3.18-3.820.47-0.980.402.03-2.578.40-9.601.60-2.240.2535.0-37.0Cr......0.44-1.010.30.........0.150.50Cu......0.40-0.750.40......0.75-1.250.15...Al......0.04-0.30............0.06...V.........0.08.........0.12...Cb.........0.02.........0.05...Mo.........0.12.........0.050.50Co........................0.50 Mechanical Tests:Tensile Strength: ≥415 MPa (Grade 6).Yield Strength: ≥240 MPa (Grade 6).Elongation: ≥30% (50mm Gauge Length).5. Application ScenariosLNG Facilities: Cryogenic piping for liquefied natural gas (-162°C).Chemical Plants: Ammonia, ethylene, and CO2 transport.Oil & Gas: Arctic pipeline systems (Grade 8 for -195°C).6. Packaging and DeliveryAnti-Corrosion: VCI (Volatile Corrosion Inhibitor) paper for marine shipments.Certification: EN 10204-3.1 Inspection Certificates + NDE Reports. 7.Grade Comparison TableGradeKey AlloyMin. TempKey ApplicationGr. 1C-Mn-45°CRefrigeration systemsGr. 3Ni-Cu-100°CLow-temp chemical linesGr. 63.5% Ni-100°CLNG pipelinesGr. 89% Ni-195°CLiquid nitrogen/O2 systemsHeat TreatmentGrade 6: Normalized at 900-925°C for optimal grain refinement.Grade 8: Double Normalized & Tempered (NNT) for ultra-low temp stability. Detailed Photos Processing of Production
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