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430 NO.4 Stainless Steel Plate for Outdoor Decoration

Gangsteel, as an authorized Yongjin 430 agent and direct exporter of Yongjin Stainless Steel (Yongjin Mill) — one of China’s top stainless steel producers from Zhejiang/Guangdong — supplies premium 430 NO.4 stainless steel plate for outdoor decoration in full compliance with all major international standards. We can produce material to any of the following specifications to meet your exact project requirements:

  • JIS G4305 SUS430(Japan)
  • ASTM A240 Type 430(USA)
  • EN 10088-2 1.4016 / X6Cr17(Europe)
  • DIN EN 1.4016(Germany)
  • GB/T 3280 10Cr17 / 1Cr17(China)
  • BS 1449 430S17(United Kingdom)
  • ISO 4954 X6Cr17(International)

When architects, contractors, and developers search for 430 stainless steel, AISI 430 stainless steel, SUS 430 stainless steel, Grade 430 stainless steel, SS 430 stainless steel, 430 ferritic stainless steel, cold rolled 430 stainless steel, 430 stainless steel coil, 430 stainless steel sheet, 430 stainless steel plate, or a reliable 430 stainless steel supplier, 430 stainless steel exporter, and 430 stainless steel factory, they often specifically request material from top Chinese mill 430 stainless steel like Yongjin. As a direct Yongjin 430 agent, Gangsteel offers genuine China Yongjin 430 BA/2B with the brand premium that high-end outdoor decoration projects demand.

 

What Makes 430 NO.4 Stainless Steel Plate Ideal for Outdoor Decoration?

Outdoor decoration demands materials that combine lasting beauty, low maintenance, and reliable performance under sun, rain, wind, and temperature changes. 430 NO.4 stainless steel plate for outdoor decoration meets these requirements perfectly.

The NO.4 finish is created by mechanically brushing the annealed and pickled plate with 150–320 grit abrasives, producing a fine, directional satin texture that effectively hides fingerprints, minor scratches, and surface imperfections — a huge advantage for outdoor cladding, wall panels, and signage that face daily exposure. The satin brushed look gives a modern, elegant appearance that blends beautifully with contemporary architecture while resisting the dulling effect of weathering better than polished finishes.

As a nickel-free 430 ferritic stainless steel, it offers good atmospheric corrosion resistance in urban and rural environments, excellent thermal conductivity, and low thermal expansion. These properties make it an economical yet durable choice for long-term outdoor applications where 304 would be unnecessarily expensive and 316 over-specified for non-coastal projects.

For the same high-quality material, please see our a240 Type_430 stainless steel sheet and JIS G4305 SUS 430 stainless steel sheet.

 

Chemical Composition

Our 430 NO.4 stainless steel plate strictly conforms to the chemical limits of all listed standards:

Element

Content (wt%)

Carbon (C)

≤0.12

Chromium (Cr)

16.00–18.00

Manganese (Mn)

≤1.00

Silicon (Si)

≤1.00

Phosphorus (P)

≤0.040

Sulfur (S)

≤0.030

Nickel (Ni)

≤0.75

The high chromium content forms a robust passive layer that protects against atmospheric corrosion, making it suitable for outdoor decoration in non-marine environments.

 

Mechanical Properties

Typical mechanical properties in the annealed condition (standard for NO.4 finish plates):

Property

Minimum Value

Typical Range

Yield Strength (0.2% offset)

≥205 MPa

220 – 280 MPa

Tensile Strength

≥450 MPa

450 – 600 MPa

Elongation (50 mm gauge)

≥22%

25 – 35%

Hardness (Rockwell B)

≤89 HRB

80 – 88 HRB

These properties provide excellent formability for bending and fabrication of decorative panels while maintaining sufficient strength for structural outdoor use.

 

Available Specifications and Finishes

Gangsteel offers 430 NO.4 stainless steel plate for outdoor decoration in the following standard range (custom sizes available upon request):

  • Thickness: 0.3 mm – 3.0 mm (up to 6 mm on request)
  • Width: 600 mm – 2000 mm (slit or mill edge)
  • Length: Up to 6000 mm
  • Tolerance: Thickness ±0.03 mm, width ±0.5 mm, flatness ≤8 mm/m

The NO.4 finish is ideal for outdoor decoration because its brushed texture reduces glare and hides surface wear. All plates are protected with PVC or PE film and packed in seaworthy crates for export.

For European or DIN-standard projects, please see our EN10088 2 X6Cr17 stainless steel sheet and DIN 1.4016 stainless steel sheet.

 

Manufacturing Process at Gangsteel & Yongjin Mill

As a direct partner of Yongjin Stainless Steel (Yongjin Mill), we start with high-purity AOD-refined material. Hot rolling is followed by cold rolling on precision mills, then annealing and pickling. The plates then undergo multi-stage mechanical brushing with 150–320 grit abrasives to create the uniform directional NO.4 satin surface. Every batch undergoes rigorous inspection and third-party certification (SGS, TUV, BV) for full traceability.

For Chinese-standard projects, the identical material is also available under GB/T 10Cr17 1Cr17 stainless steel sheet.

Key Advantages for Outdoor Decoration

  • Scratch & fingerprint resistant— NO.4 brushed finish hides daily wear perfectly for outdoor use
  • Low maintenance— requires only occasional cleaning to maintain appearance
  • Excellent atmospheric corrosion resistancein urban and rural environments
  • Aesthetic versatility— modern satin look complements glass, stone, and wood
  • Cost-effective— genuine China Yongjin 430 BA/2B material offers premium look at lower cost than 304 or 316
  • Thermal stability— low expansion reduces warping in sun-exposed facades

Wide Range of Outdoor Decoration Applications

430 NO.4 stainless steel plate for outdoor decorationis widely used in:

  • Building facades and curtain wall cladding
  • Exterior wall panels and column covers
  • Balcony railings and decorative screens
  • Signage and wayfinding systems
  • Roofing accents and canopy structures
  • Public art installations and landscape features

Many landmark projects choose top Chinese mill 430 stainless steel from Yongjin because of its proven durability and beautiful satin finish that ages gracefully outdoors.

Why Choose Gangsteel for Your Outdoor Projects?

As a professional 430 stainless steel supplier and 430 stainless steel exporter, Gangsteel offers genuine Yongjin Stainless Steel (Yongjin Mill) material with full traceability, flexible MOQ (from 5 tons), and fast delivery (15–30 days). We provide complete export documentation and third-party inspection to ensure smooth delivery to your destination.

Contact our technical sales team today for current pricing, samples, or customized specifications for 430 NO.4 stainless steel plate for outdoor decoration. Let Gangsteel help you source genuine top Chinese mill material at factory prices for your next architectural project.

 

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