INDUSTRIAL METALS · MATERIAL SOURCING · FABRICATION
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AUSTENITIC STAINLESS / FLANGES

SS 304H Flanges.

Forged flanges for pipe joints, equipment nozzles and blanking. Supplied to ASTM A182 F304H.

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Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.

Quick details

Material gradeSS 304H (UNS S30409)
StandardASTM A182 F304H
TypeWeld neck, Slip-on, Blind, Socket weld, threaded and lap joint
Size range1/2" to 24" to ASME B16.5; 26" to 60" to ASME B16.47 on enquiry
Usage / applicationBoiler and superheater tubes, Refinery heater coils, High-temperature pressure piping
Test certificateMill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.
Business typeStockist and supplier
Location231/235, Sant Sena Maharaja Marg, Mumbai, Maharashtra 400004, India

Also searched as: SS 304H flange, 304H stainless steel flange, stainless steel 304H flange, ASTM A182 F304H flange, UNS S30409 flange, 1.4948 flange

01 / OVERVIEW

Product information for purchasing teams

SS 304H flange enquiries are reviewed against ASTM A182 F304H. Share the required dimensions, condition, quantity and documentation. Composition and mechanical limits must be confirmed for this product form and the applicable specification.

Exact specification, availability and commercial details are confirmed against your enquiry.

02 / SPECIFICATIONS

SS 304H Flanges specifications

Material standardASTM A182 F304H
GradeSS 304H, UNS S30409, W.Nr 1.4948
Size range1/2" to 24" to ASME B16.5; 26" to 60" to ASME B16.47 on enquiry
Pressure classClass 150, 300, 600, 900, 1500 and 2500; PN ratings to EN 1092-1
FacingRaised face, flat face, ring-type joint
BoreTo match the mating pipe schedule
InspectionThird-party inspection on request
DocumentsMill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.
03 / RELATED DESIGNATIONS

Related designation references

GradeUNSWerkstoff Nr.EN / BSJIS
SS 304HS304091.4948X6CrNi18-10SUS 304H

Cross-standard references are not automatic substitutes. Confirm the exact product form, specification, composition, class and condition before accepting a substitution.

Composition and mechanical properties

Composition and mechanical requirements depend on the product form and specification. Specify ASTM A182 F304H and confirm the grade, class, condition, dimensions and applicable limits against the purchase specification and mill test certificate.

04 / TYPES

Types we supply

  • Weld neck
  • Slip-on
  • Blind
  • Socket weld, threaded and lap joint
05 / APPLICATIONS

Applications

  • Boiler and superheater tubes
  • Refinery heater coils
  • High-temperature pressure piping
  • Heat exchangers above 500 °C
08 / QUESTIONS

Questions buyers ask

Which standard covers SS 304H Flanges?

SS 304H Flanges are supplied to ASTM A182 F304H.

What sizes of SS 304H Flanges does Steel Impex India supply?

Size range: 1/2" to 24" to ASME B16.5; 26" to 60" to ASME B16.47 on enquiry. Pressure class: Class 150, 300, 600, 900, 1500 and 2500; PN ratings to EN 1092-1. Exact availability is confirmed for each enquiry.

Do SS 304H Flanges come with a mill test certificate?

Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.

What should I send for the SS 304H Flanges quotation?

Send flange type, size, pressure class, facing, bore schedule, quantity and certificate type.

Where is Steel Impex India located?

Steel Impex India is at 231/235, Sant Sena Maharaja Marg, Mumbai, Maharashtra 400004, India We supply across India.