Wholesale Marine Grade 303 Stainless Steel Flat Bar - Resists Seawater Corrosion Manufacturers, Factory

Excellent acid and alkali resistance, widely used in chemical and marine environments

Standard: ASTM A276

Grade: 304 316 316L 321 630 904L

Size: 2x20 to 25x150mm

Product Description

316 Stainless Steel Flat Bar

316 stainless steel flat bar is a solid stainless steel section with a rectangular cross-section. Made from high-grade 316 stainless steel, it is renowned for its exceptional corrosion resistance, particularly in chloride-rich environments. Its unique flat profile offers significant advantages in structural engineering, architectural design, and diverse manufacturing applications.

316 stainless steel flat bar details
Stainless steel flat bar stock

Key Features

1
Excellent Corrosion Resistance: Contains molybdenum, enhancing resistance to pitting and crevice corrosion in marine and chemical chloride environments.
2
High Strength and Rigidity: The rectangular cross-section design provides superior structural integrity to withstand high bending and shear stresses.
3
Excellent Processability: Highly versatile for fabrication; it can be easily cut, drilled, welded, and machined for various assembly needs.
4
Aesthetics and Practicality: Provides a clean, modern look for architectural applications while remaining easy to maintain and sanitize.
316 SS Flat Bar Features
Stainless Steel Processing

Product Specifications

Category Details
Standard ASTM A276, A484, A479, A580, A582, JIS G4303, JIS G4311, DIN 1654-5, DIN 17440, KS D3706, GB/T 1220
Material Grades EN1.4307, EN1.4845, EN1.4547, EN1.4404, EN1.4919, EN1.4571, EN1.4438, EN1.4541, EN1.4878, EN1.4550, EN1.3974, EN1.4511, EN1.4006
Surface Finish Pickled, Peeled, Black, Sand Blast, Bright, etc.
Technology Hot Rolled, Cold Drawn, Cutting
Specifications 20*3mm - 100*10mm or as per custom requirements
Tolerance According to standards or as required

Size and Weight Reference

Size (mm) Weight (kg/m) Size (mm) Weight (kg/m)
12 x 30.2850 x 62.37
20 x 30.4760 x 62.84
25 x 30.5975 x 63.56
40 x 30.95100 x 64.74
12 x 50.4725 x 101.98
50 x 51.9850 x 103.95
100 x 53.95100 x 129.48
flat-steel-splicing-diagram

Frequently Asked Questions

What makes 316 stainless steel flat bar different from 304?
The main difference is the addition of molybdenum in 316 stainless steel, which significantly improves its resistance to corrosion, especially against chlorides and marine environments.
What are the common applications for these flat bars?
They are widely used in marine hardware, chemical processing equipment, architectural supports, food processing machinery, and decorative trim due to their strength and aesthetic appeal.
Which surface finishes are available?
We offer various finishes including Bright, Pickled, Peeled, Black, and Sand Blasted to meet different functional and aesthetic requirements.
Can the flat bars be customized to specific sizes?
Yes, while standard sizes range from 20*3mm to 100*10mm, custom dimensions and tolerances can be provided based on specific project needs.
Is 316 stainless steel easy to weld?
Yes, 316 stainless steel flat bar has excellent weldability using all standard fusion methods, both with and without filler metals.
What global standards do your products comply with?
Our products comply with major international standards including ASTM A276, JIS G4303, DIN 17440, and GB/T 1220 among others.
FAQ support

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