B16.5 Class 300 4-Inch Stainless Weld-Neck Flange Enquiry | 304/316/321/347
산업 소싱용
명확한 RFQ 준비
RELIA가 부품을 이해하고 다음 단계를 논의할 수 있도록 아래 정보를 포함하세요.
- 도면, 샘플 또는 참고 표준
- 재질 등급 및 선호 공정
- 치수, 공차 및 표면 처리
- 용도, 목표 수량 및 목적지
생산 일정, 포장 및 운송 조건은 사양과 거래 조건 합의 후 프로젝트별로 확정됩니다.
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warranty1 yearcustomized supportOEM, ODM, OBM
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TechnicForgedConnectivityWelding
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shapeEqualhead codeHexagon
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Surface TreatmentSmoothMounting hole diameter0.2 in
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Pipe Class300SizeCustomized Size
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Product nameElbow
This four-inch stainless weld-neck flange enquiry references B16.5, Class 300 and the grades 304, 316, 321 and 347. Actual Flange variants have broad material and millimetre size choices without subtype or exact-grade assignments. Confirm the selected form and nominal size before treating the title as a complete supplied specification.
Identify the neck and bore on the selected section drawing
The reviewed photos include hubbed and closed-centre examples, without mapping a weld-neck form to every variant. Request written variant identification and a section drawing showing the neck profile, bore, wall match and pipe-end preparation. If a closure is actually selected, obtain its separate joint requirements rather than assuming a weld-neck pipe connection. The body Elbow label does not establish an elbow option.
Confirm the four-inch offering and B16.5 dimensions
Ask how the four-inch nominal request relates to the millimetre menu; neither label alone gives the actual bore or supplied range. Establish the applicable B16.5 edition and dimensional inspection evidence. Record outside diameter, thickness, neck dimensions, bore and wall, bolt circle, hole details and exact facing. Check these with the mating pipe, flange, gasket and bolting. Equal, Hexagon, mounting-hole and Customized Size fields do not complete that interface.
Select one grade before assessing Class 300 duty
Choose one exact stainless material with complete specifications and traceability. The four title grades are not automatically interchangeable or jointly qualified; Alloy and Carbon Steel alternatives require separate specifications. Verify Forged and the required face finish beyond Smooth. Class 300 needs its standard, unit and selected material/temperature basis rather than a fixed pressure assumption. Define actual welding preparation and inspection, then assess fluid, pressure, temperature, corrosion and mechanical loads across the pipe attachment and entire bolted joint.
모든 제품 문의에 필요한 기술 정보
최종 제품 확정 전에 요구사항을 준비하세요.
제품 페이지는 출발점입니다. 재고 매칭 또는 맞춤 생산 확정 전에 도면, 샘플, 인터페이스, 소재, 수량, 검수 요구사항을 검토합니다.
프로젝트 상황에 맞춰 이 제품을 상담하세요.
도면, 샘플, 참조품, 목표 수량, 용도 정보를 공유하세요. 미확정 항목은 검토 상태로 둘 수 있습니다.
