Round Shape Seamless Steel Tube ASTM A519 Ground Outside Surface For Gas Cylinder

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Seamless Alloy Steel ASTM A519 Pipe for Gas Cylinder and Structure Pipe 1. Standards: ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing 2. Application: For the Seamless steel pipes in large calibers for gas cylinders 3. Ordering Information Quantity (feet, weight, or number of pieces), Name of material (seamless carbon or alloy steel mechanical tubing), Form (round, square, rectangular or special shapes) Dimensions (round, outside diameters and wall thickness) Length (specific or random, mill lengths) Manufacture (hot finished or cold finished) Grade (4130, 4142, 4145 and 4157) Condition (sizing method and thermal treatment) Surface finish (special pickling, shot blasting, or ground outside surface, if required) Product analysis and chemical analysis, if required, Special marking, and Special packing. 4. Chemical Requirements - - - - Chemical Requirements | Grade Designation | Chemical Composition Limits, % | Carbon (C) | Manganese (Mn) | Phosphorous (P) | Sulfur (S) | Silicon (Si) | Chromium (Cr) | Molybdenum (Mo) | max | max | 4130 | 0.28-0.33 | 0.40-0.60 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | 4142 | 0.40-0.45 | 0.75-1.00 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | 4145 | 0.43-0.48 | 0.75-1.00 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | 4147 | 0.40-0.50 | 0.75-1.00 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 | - - - - 5. Available Size Range - - - - OD | Thickness | mm | inch | mm | 559 | 22'' | 12~30 | 715 | | 20~40 | 914 | 36'' | 22.5~50 | *If the steel grades and size you are looking for are not listed above, please contact us for further information. | - - - - 6. Manufacture Hot Rolled or Cold Drawn 7. Manufacturing Process Raw Material Inspection Cold Centering Heating Piercing & Rolling SIzing Heat Treatment Testing Finishing NDE Visual & Dimension Inspection Marking Storing & Shipping

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Xi an Overseas Oilfield Services Co., Ltd.

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