KS B1503 Steel Welding Pipe Flanges for Oil Service Enquiries
For industrial sourcing
Prepare a clearer RFQ
Include the details below so RELIA can understand the part and discuss the next step with you.
- Drawing, sample, or reference standard
- Material grade and preferred process
- Dimensions, tolerances, and surface finish
- Application, target quantity, and destination
Production timing, packing, and shipping terms are confirmed for each project after specifications and trade terms are agreed.
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Surface TreatmentPolishedmodel number4056
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ApplicationIndustrial EquipmentBolt Hole Diameter1/2"
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Bolt Hole Quantity4
Define the oil connection before specifying this KS B1503 steel welding pipe-flange enquiry. Model4056 and Polished are recorded table references. Confirm the actual flange type, material and governing document rather than treating the oil-service title as approval for every oil composition or operating condition.
Choose a welding construction for the required pipe
The catalogue records thirty-six combinations across four materials and nine flange types. Identify the actual steel/type choice and its attachment requirements; other material or nonmatching type options need their own specifications. Reference images contain different flange forms and cannot establish the component being quoted.
Specify full steel designation, grade, condition, traceability and required material/manufacturing evidence. One shared half-inch-to120-inch option label does not establish availability at every size. Select the individual nominal size, clarify measured conventions and confirm actual supply before matching pipework.
Establish the KS drawing and mating-flange details
Identify the KS B1503 document, edition and applicable size/class/material provisions. No numerical pressure class is stated. Provide bore/pipe fit, outside diameter, thickness, hub/neck profile where relevant, wall/end dimensions, preparation, facing dimensions and tolerances on an approved drawing.
The table records four half-inch bolt holes. Confirm actual hole count, diameter and bolt circle for the selected component instead of applying those entries to every variant. Agree polished surfaces and finish inspection without assuming corrosion resistance. Define mating flange, gasket, fasteners, alignment and welding/attachment preparation.
Check oil compatibility and actual service acceptance
State oil composition, pressure, temperature, cycling, external loads and material/sealing compatibility requirements. Obtain acceptance for the complete joint and installation inspection; the title alone supplies no numerical capability. Agree material/manufacturing/dimensional and joint inspection, marking/traceability, confirmed size availability, documentation and quotation scope before ordering.
Technical information for every product inquiry
Prepare the requirement before final product confirmation.
The product page is a starting point. Drawings, samples, interfaces, materials, quantities and acceptance requirements are reviewed before stock matching or custom production is confirmed.
Discuss this product in your project context.
Share the available drawing, sample, reference, target quantity and application information. Unknown items can remain open for review.
