904L Stainless Flat Bar
904L Stainless Flat Bar
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Product Overview
Our premium high performance stainless flat bar in grade 904L is specifically engineered for extreme corrosion resistance in aggressive environments. This high-alloy austenitic stainless steel provides outstanding durability and longevity in harsh industrial settings. Whether used in chemical processing, marine applications, or pharmaceutical manufacturing, our stainless flat bar stock ensures superior mechanical strength and resistance to stress corrosion cracking.
Designed to withstand exposure to highly corrosive substances such as sulfuric acid, chlorides, and seawater, this polished stainless steel flat bar surpasses conventional grades like 316 and 317 in terms of performance. Available in a variety of dimensions and finishes, our flat bar solutions are ideal for structural, decorative, and heavy-duty applications where reliability and aesthetic appeal are critical.
Specifications
Category | Details |
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Material | 904L Stainless Steel (UNS N08904, 23% Cr, 4.5% Mo, ASTM A276/A480) |
Standard Sizes | Thickness: 2mm – 50mm |
Hardness | 160-220 HV (Exceptional toughness for acidic/saline conditions) |
Surface Finish | Mill Finish, Polished Stainless Steel Flat Bar, Pickled, Brushed |
Key Attributes
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Superior Corrosion Resistance: The high performance stainless flat bar in 904L offers exceptional resistance to harsh chemical exposure, making it ideal for use in sulfuric acid, phosphoric acid, and chloride-rich environments.
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Durability & Strength: With its high molybdenum content, this stainless flat bar stock provides outstanding resistance to stress corrosion cracking, pitting, and crevice corrosion.
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Versatility in Applications: Widely used in chemical reactors, offshore oil platforms, heat exchangers, desalination plants, and structural support components.
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Hygienic & Aesthetic Properties: Our polished stainless steel flat bar is perfect for applications requiring a smooth, easy-to-clean surface, such as pharmaceutical production and food processing equipment.
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Excellent Weldability & Machinability: This stainless steel grade is fully compatible with TIG/MIG welding techniques, allowing for seamless integration into complex fabrication projects.
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Extreme Temperature Resistance: Withstands both high and low-temperature environments, making it suitable for cryogenic applications and thermal processing equipment.
Processing & Customization
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Precision Cutting & Bending: We provide advanced laser and plasma cutting services for custom high performance stainless flat bar components.
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Custom Welding Solutions: Our stainless flat bar stock is TIG and MIG compatible, with post-weld annealing available to maintain material integrity.
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Surface Treatments & Finishing: Options include mill finish, brushed, pickled, and polished stainless steel flat bar for enhanced appearance and hygiene.
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Heat Treatment & Annealing: Available to optimize mechanical properties and improve stress resistance in critical applications.
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Bulk Orders & Wholesale Supply: Large-volume orders benefit from cost-effective pricing, flexible customization, and rapid delivery.
Common Applications
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Chemical Processing Plants: Resistant to aggressive chemicals, ideal for reactors, pipelines, and storage tanks.
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Marine & Offshore Engineering: Used in shipbuilding, offshore platforms, and seawater desalination units due to its superior chloride resistance.
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Pharmaceutical & Medical Equipment: The polished stainless steel flat bar ensures a hygienic, non-reactive surface for cleanroom applications.
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Aerospace & Automotive: Provides lightweight durability for structural reinforcements and precision components.
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Heat Exchangers & Boilers: High-temperature resistance allows for efficient thermal energy transfer in industrial heating systems.
Pricing & Ordering
Category | Details |
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MOQ | 500 kg (flexible for custom sizes) |
Certification | EN 10088, ASTM A480, ISO 9001, PED |
Delivery | Global shipping from certified stainless steel flat bar suppliers |
Why Choose Our High Performance Stainless Flat Bar?
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Industry-Leading Corrosion Resistance: Our stainless flat bar stock outperforms standard stainless steel grades in extreme environments, ensuring long-term durability.
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Precision Manufacturing & Customization: We offer tailored solutions, from precise thickness specifications to specialized surface finishes like polished stainless steel flat bar.
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Reliable Supplier with Global Reach: Sourced from certified manufacturers and available for worldwide shipping with fast lead times.
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Competitive Pricing & Bulk Discounts: We provide cost-effective options for large-scale industrial projects, making it easy to source premium stainless steel materials.
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Superior Quality Control & Certification: Our materials meet ASTM, ISO, and PED compliance standards, guaranteeing top-tier performance.
For inquiries, bulk orders, and custom specifications regarding high performance stainless flat bar, stainless flat bar stock, and polished stainless steel flat bar, contact us today!




