The customer’s factory repaired two pipe groups and entrusted our company to “copy” them. The pipe diameter is DN250-DN200, the wall thickness is STD, the material is ASTM A234 WPB, and the flanges at both ends are FF surface CLASS150 pressure level neck welding flanges, made of ASTM A105. After production, our factory conducts X-ray…
Additional Requirement for DSS Material from COMPANY Charpy V-Notch (ASTM A370）Not applicable when the maximum obtainable Charpy specimen width less than 2.5mm Absorbed energy shall be 61J average and 48J Single value minimum Test temperature shall be minus 46 deg C. Impact test specimen taken from mid-thickness position. Ferrite Count (ASTM ES62）Ferrite content shall be…
ASTM A335 P92 pipe spool DN200 SCH160 A335P92 pipe prefabrication using imported raw materials, processed by our factory into elbow, tee and flange, pipe cutting, assembly and welding according to customer drawings, excellent end preparation, strict welding and heat treatment process, strict quality inspection to ensure the quality of the project.
Flanged short pipe in accordance with API 6A and GB/T 22513-2013 standards, designed by the customer, manufactured and tested by our company. This batch of integral forged flanged short pipe material is 4130 60K, forging level is 3, heat treatment is quenched + tempered, to ensure that the performance meets the requirements of 60K. The…
Flange tee is welded with WN flanges on the three ends of a seamless tee. The manufacturing standard of seamless tee is ASME B16.9, the material standard is ASTM A234 WPB, and the manufacturing standard of WN flange is ASME B16.5, the material standard is ASTM A105. The flanges are ring type faced class600 and…
ASTM A 790 Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe This specification covers seamless and straight-seam welded ferritic/austenitic steel pipe intended for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures. UNS number: S32205 (Ferritic/Austenitic steel) Manufacture The pipe shall…
Orders for material under this specification should include the following, as required, to describe the desired material adequately:1 Quantity (feet, metres), or number of lengths),2 Name of material (ferritic/austenitic steel pipe),3 Process (seamless or welded),4 Grade,5 Size (NPS designator or outside diameter and schedule number of average wall thickness),6 Length (specific or random) (see Section…
ASTM A815 Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings Class WP fittings are subdivided into four subclasses: Class WP-S fittings are those manufactured form seamless product by a seamless method of manufacture;Class WP-W fittings are those which contain welds where the fitting fabrication or construction welds have been radiographed;Calss WP-WX fittings are those…
We normally use A240 S32205 or S32750 steel plates to manufacture welded pipe fittings, and the thickness of the steel plates needs to be checked when purchasing. Then what is the thickness tolerance of the above two kinds of steel plates? This tolerance is derived from ASTM A480, see figure below: Inch Size Metric Size
ASTM A480/A480M General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip Ordering InformationIt is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under this specification. Such requirements may include, but are not limited to, the following: