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- SUS304 (1.4301) and SUS316 (1.4401) grades
- No coating to chip, flake or contaminate
- Pickled and passivated after welding
- Same WS sizes, meshes and codes
Why stainless
Stainless steel grating needs no coating, cleans easily and resists corrosion where galvanised steel would be attacked – food and beverage, dairy, pharmaceutical, chemical plants, water and wastewater treatment, coastal and marine structures. SUS304 suits most hygienic and indoor uses; SUS316, with molybdenum, is chosen for chlorides, sea water and aggressive chemicals.
Fabrication
- Separate tools and storage from carbon steel to prevent iron contamination.
- Welded with matching stainless filler; heat tint removed by pickling.
- Passivated and rinsed; surface finish agreed for hygienic areas.
- Fasteners and clips in stainless steel of the same or better grade.
Load capacity is similar to carbon steel grating of the same size for selection purposes; final design uses the stainless steel properties of the project code (for example AISC Design Guide 27, AS/NZS 4673 or EN 1993-1-4).
市場別の規格と要求事項
World Steelが本製品の設計・製作・書類作成に適用する基準――および各市場における主な寸法・荷重要件。
米国
- ASTM A240 / A276Stainless plate, strip and bars
- ASTM A380 / A967Cleaning, descaling and passivation
- AISC Design Guide 27Structural stainless steel
豪州 / NZ
- AS/NZS 4673Cold-formed stainless steel structures
- AS 1657Platforms and walkways
欧州
- EN 10088Stainless steels
- EN 1993-1-4Stainless steel design
- EN ISO 14122-2Working platforms and walkways
参考用の概要です――プロジェクト仕様書、採用される基準の版、所轄官庁の判断が優先されます。
表面処理
| 表面処理 | 規格 / 備考 |
|---|---|
| Pickled & passivated | ASTM A380 / A967 or equivalent |
| Electropolished | On request for hygienic areas |
よくある質問
SUS304 or SUS316?
SUS304 for general hygienic and indoor use; SUS316 where chlorides, sea water or aggressive chemicals are present.
Can stainless grating be mixed with galvanised frames?
Yes, with isolating washers or sleeves where needed to avoid galvanic corrosion in wet conditions.
AS/NZS 5131 CC3
EN 1090 EXC3 · CE
