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How to specify a Sintered Part

What to put on an RFQ for Sintered Part: the ratings, documents, and constraints that change the quote.

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for Sintered PartTRADINOR · FIGUREWhat to lock for Sintered PartSurfaceCertificateQuantityAlloy
Put these on the RFQ for Sintered Part before you compare prices.

A buyer searching for Sintered Part is usually trying to stop a bad substitute. A metal product is specified by alloy, temper or grade, dimensions, and the certificate. The notes below are selection criteria for a Sintered Part. They are not a catalog promise. Confirm every rating on the current datasheet, drawing, or test report for the revision you will receive.

What has to be true of Sintered Part

A metal product is specified by alloy, temper or grade, dimensions, and the certificate. For a Sintered Part, start from the duty, then the interface to the rest of the machine or the room, then the document that proves the claim. A lower price that leaves one of those blank is a different product.

Sintered Part is easy to confuse with Forged Fitting. If the quote could be read as either, add the line that separates them: the rating, the fitment, or the standard named below. Link the drawing number to that line so receiving inspection can reject the wrong one.

Numbers that change the quote

Line What to write for Sintered Part
Surface Mill finish, coated, or a stated roughness.
Certificate A mill certificate of the type the job requires, such as an EN 10204 type if that is what you need.
Quantity Weight or pieces, and the bundle.
Alloy The grade designation, not only steel or aluminum.
Temper or condition Temper, hardness, or heat-treat condition.
Dimensions Thickness, width, length, and tolerance.

How to compare two offers

Lay both quotes for Sintered Part on one sheet and line up surface, certificate, and quantity. If a cell is empty, the offer is not finished. Ask for the missing line in writing. When those match, the honest difference is lead time, the test evidence, and who carries the warranty. Do not average a fully specified Sintered Part with a cheaper line that omitted surface.

Documents worth having before the deposit

Ask for the certificate type with the grade. The file should name Sintered Part and the revision, not only the supplier’s homepage. A factory quality certificate such as ISO 9001 can sit beside that file. It does not replace it.

Failures that show up after delivery

  • Accepting a trader’s stamp in place of a mill certificate.
  • Ordering stainless without the alloy.
  • Leaving temper off a sheet that will be formed.

On a Sintered Part, the expensive version of the first mistake is discovering it after the goods are in the crate. Put the rejection condition in the purchase order while the supplier can still restate the offer.

A worked RFQ line

Use this shape, then replace the brackets with your duty: “Sintered Part — State alloy, temper, dimensions, surface, and certificate type.” That sentence is a template, not a rating of any brand. If a supplier’s datasheet uses different units, convert them onto this sheet so the next offer can be compared.

Where words like waterproof / IP65 belong

Searches often add a constraint to Sintered Part: waterproof / IP65, or explosion-proof / ATEX. Keep those on this page. IP65 in IEC 60529 means dust-tight and protected against water jets. Write that code if hoses are the real exposure. The word waterproof alone does not name a test. ATEX or IECEx is a certificate for a zone, a gas or dust group, and a temperature class. An IP rating does not grant it. Skip the mark if the site is not hazardous. If you need a third constraint, add it as another line on the same drawing. A second URL that only swaps the adjective does not give a buyer a second fact.

Related in this section: how to specify Forged Fitting.

Questions buyers actually ask

What should an RFQ for Sintered Part include?

State alloy, temper, dimensions, surface, and certificate type.

Is a cheaper Sintered Part the same part?

Only if surface, certificate, and the documents match. A missing line is a different offer.

Do waterproof, OEM, or IP words need their own page?

No. For Sintered Part they are extra lines on this specification. Ask for the test or the drawing that gives the word a value.