Oil and Gas Custom Parts Manufacturing

The certifications held are ISO 9001, ISO 14001, ISO 13485, and IATF 16949. API Q1 is not among them, and the quality system instead provides documented in-process inspection, final inspection records, and lot traceability on request. An API monogram is issued by the American Petroleum Institute against its own specification and covers a licensed facility rather than an individual machined part.

Machined features reach plus or minus 0.01 mm when geometry and material allow, and standard machined work sits at plus or minus 0.05 mm. Sheet metal parts reach plus or minus 0.10 mm at precision tolerance and plus or minus 0.30 mm at standard tolerance. Achievable tolerance depends on feature type, wall section, material condition, and the inspection method agreed upon at the quote stage.

Common grades include 316 and 316L stainless steel, 17-4 PH, duplex grades, alloy steel, and nickel alloys. Grade choice affects both cost and lead time. Nickel alloys and duplex grades cut more slowly than austenitic stainless steel, which extends machining time. Buyers specifying sour service reference NACE MR0175 hardness limits, and grade selection with heat treatment conditions are confirmed against the customer drawing before quoting.

Milled work runs within 3000 mm long, turned work within 400 mm diameter, and sheet metal within 2440 by 1220 mm. Larger valve and wellhead bodies fall outside that envelope and are better placed with a shop built around heavy turning. Confirming the envelope early saves a quoting cycle on parts that were never a fit.

Both are available on request and are prepared alongside the parts rather than after shipment. Mill test reports carry chemical composition, mechanical properties, and the heat number for the supplied material. First article inspection reports carry measured features against the drawing, recorded on Zeiss CMM and supporting instruments.

Prototyping typically takes 3 to 7 days, with production following in 2 to 4 weeks. Part complexity, grade availability, finishing scope, and inspection requirements all move those figures. Confirmed lead times are issued with the quote once the drawing package and grade are settled.