Heat-Resistant Stainless Steel Flanges

We supply material and processed parts, with inspection documents and export packing coordinated in one order.

What we provide

We supply heat-resistant stainless steel flanges by type, size, facing and product standard, with machining and documentation coordinated.

Machined stainless steel weld-neck flanges arranged on a supported pallet

Grades

Compare the grade pages below, then choose the material to suit your operating conditions and applicable product and project standards.

Stock, custom cuts and mill orders

Current stock
We check current stock by grade and exact size before quoting; the ranges below are not a live inventory list.
Custom cutting
We arrange cut sizes from suitable starting material, with cutting allowances and finished dimensions agreed in the quote.
Mill orders
Dimensions or conditions outside available stock are reviewed for mill production. Grade, size combination and order quantity determine feasibility and lead time.

Available Dimensions

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Heat-Resistant Stainless Steel Flanges supply ranges
Supply rangeAvailable dimensionsOrder details
Flange supply rangeDN15–DN3,000 (1/2–120 in), Class 150–2,500 / 0.6–42.0 MPa across available manufacturing configurationsGrade · Product standard · Production source · Quantity · Inspection scope · Quotation confirmation

The ranges describe supply capabilities, not every grade and size combination. Current stock, custom cuts and mill orders are confirmed separately.

Surface and delivery condition

The flange type, facing and delivery condition are matched to the connection. Grade availability does not automatically establish a pressure rating or code acceptance.

Stainless steel weld-neck flange face being machined in a guarded lathe

Standards

We match the material designation, product standard and delivery condition to the order. Pressure applications also need the applicable product and design requirements; a grade name alone does not establish pressure suitability.

Processing options

We arrange bore, bolt-hole and facing machining to the ordered standard or drawing, with connection dimensions checked before packing.

Inspection and documents

We check material identity, dimensions, surface condition and heat traceability against the order. Material test documents are supplied with the agreed document scope; additional testing and third-party inspection can be arranged before production.

Packing and export delivery

We arrange protection suited to the product: supported flat packs, secured coils, bundles or cases for finished parts. Surface protection, handling access and shipment marks are included in the packing plan.

Finished stainless steel flanges separated in a fitted export crate

Related applications

Explore typical components and operating conditions for each industry.

Technical resources

What to Send for a Quote

  • Grade designation and governing product standard with edition.
  • Dimensions, tolerances, quantity, unit weights and required delivery condition.

We normally reply within 1 business day. Technical enquiries may require additional review.

Frequently asked questions

  1. How is the delivery condition defined?

    The flange type, facing and delivery condition are matched to the connection. Grade availability does not automatically establish a pressure rating or code acceptance.

  2. What inspection documents can you provide?

    We check material identity, dimensions, surface condition and heat traceability against the order. Material test documents are supplied with the agreed document scope; additional testing and third-party inspection can be arranged before production.

  3. Which dimensions must match the mating flange?

    Check the flange type, facing, bore, bolt-hole pattern and connection dimensions against the drawing or flange standard. A matching nominal size alone does not confirm fit-up.

  4. Does a heat-resistant grade establish a flange pressure rating?

    No. Material grade alone does not establish a pressure rating or code acceptance. Confirm the flange standard, class, temperature and service requirements with the responsible design engineer.

Send your RFQ

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