Material
Stainless Steel
Strong, hygienic and corrosion resistant — the default for food contact and outdoor parts.
- Family
- Metal
Common grades
- 304 / 18-8food contact, general use
- 316marine and chemical
- 430appliances, magnetic
- 17-4 PHhigh strength
Key properties
| Density | 7.9 g/cm³ |
|---|---|
| Tensile strength | 500–1,100 MPa |
| Corrosion resistance | Very good to excellent |
| Food safe | Yes (304/316) |
Compatible processes
CNC Machining
Precision milled and turned parts in metals and engineering plastics.
Learn moreSheet Metal Fabrication
Laser cutting, bending, welding and assembly of sheet metal parts.
Learn moreMetal Stamping
Progressive and deep-draw stamping for fast, low-cost metal parts.
Learn moreSurface Finishing
Coatings, plating and decoration that protect and brand your product.
Learn moreTypical applications
- Drinkware and cookware
- Medical and lab equipment
- Fasteners
- Outdoor hardware
Finishes
- Brushed
- Mirror polish
- PVD color coating
- Passivation
Industries
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Stainless Steel: frequently asked questions
Which stainless steel grades are most common in China?
Common grades: 304 / 18-8 — food contact, general use; 316 — marine and chemical; 430 — appliances, magnetic; 17-4 PH — high strength.
Which processes work with stainless steel?
Stainless Steel can be processed by cnc machining, sheet metal fabrication, metal stamping, surface finishing.
What is stainless steel used for?
Typical applications include drinkware and cookware, medical and lab equipment, fasteners, outdoor hardware.
How do I make sure a supplier really uses the specified stainless steel?
Name the exact grade in the contract, ask for a material certificate (mill certificate or test report) and verify samples — for metals with a handheld XRF analyzer, for plastics with a lab test on critical parts. Substitution is one of the most common quality problems.
Guides from our sourcing team
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