| Introduction and Scope | This covers straight cold drawn seamless ferritic, austenitic alloy steel, boiler, superheater and heat exchanger tubes. |
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| Materials | Material is ordered to comply with the requirements of ASTMA – 213 in grades 304, 304L, 304H, 316, 316L, 321, 347, 410 & 430 grades regularly. Special grades can be made as per customer’s requirements. | |||||||||||||||||||||
| Size Range | OD: 6.35 mm to 101.60 mm Thickness: As per customer specifications Length: As per customer specifications | |||||||||||||||||||||
| Process Of Manufacture | The tube is manufactured from selected mother hollow pipes of required size and grade. These are manufactured by cold drawing process. All tubes are then annealed to a minimum temperature of 10500C, straightened, pickled and passivated, end finished and 100% tested in accordance with ASTM A 450. |
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| Tolerances |
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| Test | Normal: Tensile strength , Yield strength, Elongation Flattening, Hydrostatic Pressure test Optional: Pneumatic / Air leakage, Eddy Current , IG Corrosion |
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| Marking | All pipes are marked as folows: ASTM A-213, Garde, OD, Thickness, Heat No. |
| Place of Origin | Not Given |
| Minimum Order Quantity | Not Given |
| Supply Ability | Not Given |
| Packaging Details | Not Given |
| Delivery Details | Not Given |
| Standard Weight Chart for Seamless Stainless Steel Pipes & Tubes | ||||||||||||||
| Sl no. | Outside Dia | Wall Thickness (in mm) | ||||||||||||
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