🔹 Key Specifications

パラメーター	詳細
Section Size	40mm × 20mm (Width × Height)
Wall Thickness	0.5mm - 3.0mm (Common: 0.8, 1.0, 1.2, 1.5, 2.0mm)
長さ	6 meters (標準), or custom lengths (e.g. 5.8m, 12m)
許容差	±0.1mm – ±0.3mm (per ASTM A554 / JIS G3463)
コーナー半径	Typically 1.5–2.5× wall thickness
表面仕上げ	2b, ba (2ba), No.4 (ブラシ), 8k (鏡), or Custom
マテリアルグレード
- Austenitic	SUS304 / アイシ 304, SUS316 / アイシ 316
- Ferritic	SUS430
- Duplex	2205 (available on request)
基準	ASTM A554, ASTM A312, JIS G3463, GB/T 12771, ISO 1127

パラメーター

詳細

Section Size

40mm × 20mm (Width × Height)

Wall Thickness

0.5mm - 3.0mm (Common: 0.8, 1.0, 1.2, 1.5, 2.0mm)

長さ

6 meters (標準), or custom lengths (e.g. 5.8m, 12m)

許容差

±0.1mm – ±0.3mm (per ASTM A554 / JIS G3463)

コーナー半径

Typically 1.5–2.5× wall thickness

表面仕上げ

2b, ba (2ba), No.4 (ブラシ), 8k (鏡), or Custom

マテリアルグレード

- Austenitic

SUS304 / アイシ 304, SUS316 / アイシ 316

- Ferritic

SUS430

- Duplex

2205 (available on request)

基準

ASTM A554, ASTM A312, JIS G3463, GB/T 12771, ISO 1127

ステンレス製角パイプ

High-Strength, Corrosion-Resistant Structural Profile for Industrial & Architectural Use

🔹 製品の概要

The 40×20mm stainless steel rectangular tube is a precision cold-formed hollow section widely used in construction, 建築装飾, 家具, handrails, and industrial equipment. そので sleek rectangular profile, excellent corrosion resistance, high strength-to-weight ratio, and modern aesthetic, this tube delivers both structural reliability and visual elegance.

Available in a range of wall thicknesses, 成績, and surface finishes, the 40×20mm rectangular tube is ideal for applications requiring 耐久性, clean appearance, and low maintenance in both indoor and outdoor environments.

✅ Also known as: Rectangular Hollow Section (RHS), stainless steel flat tube, structural stainless tube

🔹 Features & Benefits

特徴	利点
Superior Corrosion Resistance	Ideal for humid, coastal, and outdoor environments — no rust or staining
高強度 & Rigidity	Excellent load-bearing capacity, resists bending and deformation
スムーズ, Clean Surface	Easy to clean, hygienic, and visually modern — perfect for visible applications
Weldable & Formable	Can be easily cut, bent, 溶接、, and polished for custom fabrication
Low Maintenance	No painting or coating required — retains appearance for decades
環境に優しい & Recyclable	100% recyclable, sustainable material for green building projects
Aesthetic Versatility	Available in brushed, 鏡, or PVD-coated finishes for luxury design

🔹 Manufacturing Process

Raw Material: High-quality cold-rolled stainless steel coil (SUS304/316)
Forming: Precision roll forming into rectangular shape
Welding: High-frequency (HF) or TIG welding with full penetration
Sizing & Calibration: Ensures exact 40×20mm dimensions and straightness
Annealing: Stress-relief annealing for improved ductility and toughness
表面処理: Pickling, polishing, or brushing to achieve desired finish
Straightening & Cutting: To standard or custom lengths
Inspection & Testing: Dimensional, visual, and weld integrity checks

🔹 典型的なアプリケーション

建築関連 & Decoration:
Wall cladding frames, door/window frames, curtain wall supports, 列カバー
家具 & インテリアデザイン:
Table and chair frames, cabinet structures, 間仕切り, display stands
Handrails & Guardrails:
Stair railings, balcony guards, walkway barriers, hospital rails
産業 & Equipment:
Machine frames, conveyor supports, automation equipment structures
交通機関:
Automotive trim, high-speed train and subway interior components
Solar & Renewable Energy:
Solar panel mounting structures (SUS316 recommended for coastal areas)

🔹 Available Surface Finishes

仕上げる	説明	Typical Use
2b	Cold-rolled, semi-gloss finish	Industrial structures, internal frames
ba / 2ba	Bright annealed, high-gloss surface	Appliance trim, decorative base
No.4	#180–#320 grit mechanical brushing	エレベーター, キッチン, handrails — most popular
8k	Precision mirror polish	Luxury interiors, アートインスタレーション
PVDコーティング	金, 黒, ローズゴールド, ブロンズ, 等.	High-end décor, luxury furniture, ホテル

🔹 パッケージング & 配達

Standard Packaging:
- Bundled with steel straps
- Plastic end caps (オプション)
- Waterproof wrapping (plastic film or kraft paper)
- Secured on wooden pallets for container shipment
Custom Packaging Options:
- Individual PE film wrapping
- Corner protectors (wood/plastic)
- Fumigated wooden crates for air/sea export
Moq: 1–5 metric tons (negotiable)
リードタイム: 15注文確認後 - 30日後
Loading Ports: 上海, 天津, 青島, Ningbo (中国)
Shipping: FOB, CFR, CIF, DAP available

🔹 Why Choose Our 40×20mm Rectangular Tube?

✅ Precision Dimensional Control – Tight tolerances ensure easy assembly and fit
✅ Consistent Weld Quality – Smooth, defect-free welds for structural integrity
✅ Multiple Grades & Finishes – Custom solutions for diverse applications
✅ Competitive Pricing & Fast Lead Time – Direct factory supply, no middlemen
✅ Global Export Experience – Trusted by customers in EU, USA, Southeast Asia, Middle East, オーストラリア