Stainless Steel Tableware Inspection

Stainless steel tableware and serveware inspection

A stainless steel tableware inspection checks thalis, bowls, trays, tumblers, bottles and hollowware for gauge and weight, polish against the approved sample, welded and rolled seams, sharp rims, rust spots, the vacuum in double-wall pieces and the adhesion of gold, copper or black PVD colours. Thin gauge and patchy polish are the usual disputes; lost vacuum is the usual return.

Last reviewed 14 Oct 2026

Typical materials

304 or 430 stainless sheet; PVD colour coatings; silicone or plastic seals on bottles and lids

Where it's made in India

No current official export cluster for stainless utensils; factories in several states

Key rules

EU 1935/2004 and Regulation 10/2011 for plastic parts; FDA food contact; NSF/ANSI 51 for foodservice buyers

Typical AQL

General II; 0 critical, 2.5 major, 4.0 minor

How stainless tableware and serveware is made

Thalis, katoris, plates, bowls, trays, buckets, serving dishes and tumblers are pressed or spun from sheet, trimmed and rim-rolled. Hollowware such as jugs, teapots, ice buckets and chafing dishes is built from several pressed parts joined by TIG welding or brazing, then ground and polished over the joint. Double-wall pieces, from beer tumblers to insulated bottles, have an inner and outer shell welded at the rim; the space between is evacuated and sealed at a small point under the base.

Finishing makes most of the cost and most of the defects. A mirror finish takes several buffing stages with compound; a satin or brushed finish uses abrasive belts; hammered pieces are hand-struck. Coloured pieces are coated by physical vapour deposition (PVD) in a vacuum chamber, giving gold, rose gold, copper or black on the outside and, sometimes, inside.

Gauge is the quiet variable. Two bowls of the same size and finish can differ a lot in sheet thickness, and the thinner one dents in a hotel dishwasher rack. Weight per piece is the fastest way to catch it. Stainless household articles (HS 7323 93) were India's largest kitchenware export line in FY2025-26, at US$415.82 million (TradeStat, provisional), with cookware and tableware counted together. No current official cluster list names a stainless utensil export cluster (an older MSME-DI profile of Yamunanagar district, with data to 2010-11, recorded a small stainless and aluminium utensil group at Jagadhri with no exports; see Jagadhri–Yamunanagar).

What we check on stainless tableware and serveware

Check	How it is checked	What fails
Gauge and weight	Micrometer at the rim; each sampled piece weighed against the approved sample	Thinner sheet, light pieces, flexing when pressed by hand
Polish	Pieces compared with the sample under the same light, at an angle	Polishing lines, orange peel, haze, burn marks, uneven satin direction
Cleanliness	White cloth wiped inside and in corners, seams and under rims	Buffing compound, oil or grit on the cloth
Welds and seams	Welded joints on hollowware checked for pinholes, crevices and grinding marks; jugs filled to check leaks	Open crevice that traps food, pinhole leak, discoloured weld
Vacuum on double-wall pieces	Filled with hot water; outer wall felt after a few minutes; pieces shaken for rattles	Outer wall warms up (vacuum lost), rattle inside the wall
PVD colour	Colour against the sample; cross-hatch tape test on a sampled piece where your protocol allows	Colour shift between lots, peeling, coating on a food surface not covered by your test reports
Rims and edges	Finger run around rims, handles and tray edges	Burrs, sharp trimmed edges, open rolled rims
Rust spots	Surfaces checked under light; a damp cloth left on a sample if specified	Brown spots from iron contamination or poor passivation
Lids and seals	Bottle lids closed and inverted; seals checked for fit and odour	Leaks, loose seal, strong rubber smell

Common stainless steel tableware and serveware defects and how they are classed

Defect	Typical cause	Class
Sharp burr on a rim or tray edge	Trimming not deburred, rim not fully rolled	Critical where it can cut a user; otherwise major
Vacuum lost in double-wall tumbler or bottle	Leaking weld or seal point	Major
Gauge below specification	Thinner sheet bought to save cost	Major
Crevice at a weld on a food surface	Incomplete weld or grinding	Major
Buffing compound left on a food surface	Rushed cleaning	Major
PVD coating peeling	Poor surface preparation before coating	Major
Rust spots	Iron dust from grinding, no passivation	Major
Polishing lines and light haze	Skipped buffing stage	Minor if within the sample range

Your defect list decides the final class.

Market rules for stainless tableware

EU. Regulation (EC) 1935/2004 covers the steel, coatings and seals. There is no EU-specific measure for metals, so buyers rely on the Council of Europe metals guide and supplier declarations. Silicone and plastic parts of lids and bottles are different: plastic parts fall under Regulation (EU) 10/2011 and need a declaration of compliance. See EU 1935/2004 and LFGB.
PVD and other coatings. A coloured coating on a food-contact surface is a food contact material in its own right. Ask whether the coating covers the inside, and whether your test reports cover the coated piece.
US. FDA has no certificate for finished tableware. Coatings, seals and plastics must be authorized for their use. See FDA food contact.
California. Decorative brass handles, plated parts or coatings can bring lead into scope of Prop 65.
Foodservice. Hotel and catering buyers often ask for NSF/ANSI 51, the standard for food equipment materials. It covers the materials and finishes of commercial food equipment. Where a buyer asks for it, check the certifier's listing for the named product, not a logo on the carton.

Packing, transit and your purchase order

Thalis and bowls are packed in stacks, so pieces rub in transit. Paper between pieces and a tight carton stop polish marks; a loose stack arrives scratched. Mirror pieces carry film that must peel cleanly. Double-wall tumblers and bottles need individual boxes, because a dent in the outer wall can break the vacuum. The inspector checks the inner packing, counts sets and drop-tests a carton where agreed.

Put these in your purchase order:

Steel grade and sheet thickness, with piece weight and tolerance.
Finish inside and out (mirror, satin, hammered) against a numbered sample.
For PVD: colour reference, which surfaces are coated, and the coating's food contact documents.
For double-wall pieces: vacuum check method and the time and temperature you accept.
Seal and lid material, with test reports for plastic and silicone parts.
Set composition, box artwork and stacking method.

Cookware has its own checks on base bonding and induction; see stainless steel cookware. For forks, spoons and knives, see cutlery and flatware.

Sources

Frequently asked questions

How do you check the vacuum in an insulated tumbler?

The inspector fills sampled pieces with hot water, closes them where there is a lid, and feels the outer wall after a few minutes. A warm outer wall means the vacuum has gone. A rattle inside the wall is also recorded.

What is orange peel on polished steel?

A dimpled, uneven reflection that looks like the skin of an orange. It comes from over-buffing or from sheet with a coarse grain. It is cosmetic and is judged against the approved sample.

Is gold PVD tableware safe for food?

That depends on the coating and whether it is on a food surface. Many pieces are coated outside only. If the inside is coated, ask for test reports that cover the coated piece; the inspector checks the goods match them.

Why do rust spots appear on stainless steel?

Usually from iron particles left by grinding wheels or steel brushes, or from missing passivation after welding. The steel itself is not rusting through. Spots on food surfaces are classed major.

How is gauge checked without cutting a piece?

With a micrometer at the rim and by weighing each sampled piece against the approved sample. A batch that is consistently light is usually made from thinner sheet.