For household rice pots, spec 0.6–0.8 mm walls on a bonded disc base; for commercial use, 1.0–1.2 mm walls; and for any full-clad body, stay above 1.8 mm total or the base will bow on induction. Thickness is the single most under-specified dimension in cookware sourcing — it never appears in product photos, yet it decides whether a pot survives one season or five. This is the chart our distributor partners ask for before every OEM program.
A Stainless steel rice pot fails in the field long before its steel grade does: walls dent, bases warp on induction hobs, rims go oval from stacking. All three are thickness problems, not material problems. At Tailong every quotation lists wall thickness in millimeters as a separate line item — and this guide explains why the numbers are what they are.
1. What Wall Thickness Does a Rice Pot Actually Need?
Thickness requirements scale with diameter and duty, not with price tier. A small pot carries less rice and less thermal stress; a 32 cm kitchen workhorse carrying 8 liters of cooked rice needs proportionally more steel to stay flat. Use this chart as the floor for your specification sheet:
| Pot diameter | Household use (daily, home stoves) | Commercial use (restaurant, catering) | Full-clad body (total) |
| 16–18 cm (1–2 L) | 0.5–0.6 mm | 0.6–0.8 mm | ≥ 1.8 mm |
| 20–24 cm (3–5 L) | 0.6–0.8 mm | 0.8–1.0 mm | 2.0–2.5 mm |
| 26–28 cm (6–9 L) | 0.8–1.0 mm | 1.0–1.2 mm | 2.3–2.8 mm |
| 30–40 cm (10 L+) | — | 1.2–1.5 mm | 2.5–3.0 mm |
Three notes on reading this chart. First, "household" assumes gentle daily use on gas or electric hobs — if your target market is induction-heavy (EU, urban North America, Japan), move one row up, because magnetic induction cycling warps thin walls faster than open flame. Second, these figures apply to the steel body; a disc-bottom construction adds 3–6 mm of bonded aluminum-and-steel at the base, which is what actually protects the cooking surface — the wall number governs dent and oval-rim resistance. Third, thin single-wall cookware is not automatically a defect: a traditional Stainless steel snow flat pan has always been a light, responsive vessel at 0.5–0.6 mm, and buyers who want that handling accept the trade-off. The failure mode is selling thin steel into a duty it was never matched for.
✅ Bottom line: 0.6–0.8 mm walls for household programs, 1.0–1.2 mm for commercial duty, and never below 1.8 mm total on a full-clad body destined for induction.
2. How Do You Enforce Thickness in the Field?
Write millimeters into the PI, then verify with instruments — not with your thumb. Gauge talk is where specification drift begins: "18-gauge" means different things in different factories, and some quotes list thickness only at the thickest point of a formed rim. Professional buyers lock three things:
- Body thickness in mm, measured mid-wall — not at the rim or the rolled edge, where forming thickens the metal and hides the true figure.
- Weight per unit as a contractual reference — weight is the cheapest cross-check your QC team owns. If the golden sample weighs 860 g and the production cartons average 800 g, metal has gone missing somewhere between the quote and the container.
- Bowing acceptance limit — for induction markets, specify a flatness tolerance on the base (commonly ≤ 0.5 mm deviation) so warp claims are measurable instead of subjective.
The commercial end of the chart borrows its logic from other categories. A Stainless steel wok that lives on a restaurant jet burner needs a 2.0 mm+ full-clad floor for the same reason a 30 cm rice kettle needs 1.2 mm walls: sustained high heat finds every thin spot. Yongkang Tailong Kitchenware Co., Ltd. supports custom wall specifications within one OEM program — same shape, three thickness tiers — so distributors can serve budget, mainstream, and premium shelves from a single mold, with the thickness printed plainly on every quote.
✅ Bottom line: Specify mid-wall millimeters, cross-check with unit weight against the golden sample, and set a measurable flatness tolerance for induction markets.
FAQ
Q: Is a thicker rice pot always better? A: No. Extra thickness adds cost, weight, and slow heat response. A 0.6 mm wall on a 20 cm pot is correct engineering, not a corner cut — thickness should match diameter and duty, which is exactly what the chart above encodes. Over-speccing thickness just makes your retail price uncompetitive.
Q: How can I check wall thickness at goods-in without lab equipment? A: Two practical methods: a digital micrometer on a cut sample, or an ultrasonic thickness gauge on intact units — both read mid-wall steel in seconds. The fastest screen, though, remains weight: compare incoming carton weights against your approved golden sample and investigate any consistent shortfall.
Q: Does Tailong offer custom thickness tiers on the same pot design? A: Yes. Tailong runs OEM/ODM production with body thickness as a configurable line item — household, commercial, and heavy-duty tiers off the same tooling — quoted factory-direct with thickness, steel grade, and construction each specified in writing for every wholesale order.
Get the Spec Sheet, Not the Sales Sheet
Ask Tailong for a wall-thickness specification sheet matched to your market and shelf tier, plus free samples in your target diameter so your QC team can micrometer-check them before the bulk order. Send your size range and monthly volume for factory-direct FOB pricing within 48 hours. Contact Yongkang Tailong Kitchenware Co., Ltd. and make thickness a line item, not a surprise.
Website: www.tlcookware.com
Email: fxw@junlonga.com
Mobile:+86.13248880555
