Wholesale 316 ASTM A276 Stainless Steel Flat Bar Factory, Suppliers

316 stainless steel flat bars are a high-alloy stainless steel material with excellent corrosion resistance, high temperature resistance and mechanical properties.
OES Steel’s 316 stainless steel flat bars are made of high-quality raw materials, precision processed and strictly quality controlled.

Looking for a material that can handle tough conditions? Our 316 Stainless Steel Flat Bars might just be what you need. They're built to stand up against corrosion, even in harsh environments. Thanks to added molybdenum, these bars resist chlorides and acids really well—perfect for marine setups, chemical plants, or coastal architecture projects. 

What’s great is that these flat bars aren’t just tough; they also have solid mechanical strength and longevity, so they keep their shape and integrity even when things get rough. And don’t worry about fitting them into your project—they come in a bunch of sizes and finishes, making them super versatile for fabricators, machinists, and engineers working across different fields.

Product Description

Product Details
High resistance to corrosion from chlorides and acids.
Excellent weldability and formability for diverse shapes.
Exceptional strength and long-term durability.
Premium finish options: Mill, Polished, or Brushed.
Precision-manufactured to your exact required dimensions.
All bars strictly comply with ASTM A276 and ASME SA479 standards, ensuring reliable quality and safety. We offer customized sizing to perfectly match your specific project requirements. Upgrade your project with the reliable corrosion resistance of 316 stainless steel.
Austenitic Stainless Steel 201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etc
Martensitic Stainless Steel 410, 414, 416, 420, 431, 440A, 440B, 440C, etc
Duplex Stainless Steel S31803, S32101, S32205, S32304, S32750, etc
Ferritic Stainless Steel 429, 430, 433, 434, 435, 436, 439, etc
Product Specification
Material 304, 304L, 309S, 310S, 316, 316L, 316Ti, 317, 317L, 321, 347H, 201, 202, 405, 409, 410, 420, 430, etc
Type Round, square, hexagonal, flat, angle
Surface Pickled, Black, Bright, Polishing, Blasting, etc
Specifications Round Bar: Dia 3mm~800mm
Angle Bar: 3mm*20mm*20mm ~ 12mm*100mm*100mm
Square Bar: 4mm*4mm ~ 100mm*100mm
Flat Bar: Thickness 2mm~100mm, Width 10mm~500mm
Hexagonal: 2mm~100mm
MOQ 1 Ton
Length 6m, 5.8m, 3m or as required
Price Term EX-Work, FOB, CFR, CIF, CNF
Payment Term T/T, L/C, Western Union
Market Europe, South America, Africa, Oceania (Chile, Spain, USA, Germany, India, Dubai, Iraq, Vietnam, Ireland, Korea, Singapore, etc.)
Package Bundled, wooden box for export standard package
Delivery Time Normally according to the order quantity
Chemical Composition Table
Grade ASTM C Si Mn S P Cr Ni
201≤0.15≤0.755.50-7.50≤0.030≤0.06016.00-18.003.50-5.50
304≤0.07≤1.00≤2.00≤0.030≤0.03517.00-19.008.00-11.00
304L≤0.03≤1.00≤2.00≤0.030≤0.03518.00-20.008.00-12.00
309S≤0.08≤1.00≤2.00≤0.030≤0.03522.00-24.0012.00-15.00
310S≤0.08≤1.00≤2.00≤0.030≤0.03524.00-26.0019.00-22.00
316≤0.08≤1.00≤2.00≤0.030≤0.03516.00-18.0010.00-14.00
316L≤0.08≤1.00≤2.00≤0.030≤0.03516.00-18.0012.00-15.00
Stainless Steel Product Details
Frequently Asked Questions
What are the primary advantages of 316 stainless steel bars?
316 stainless steel bars offer superior corrosion resistance, especially against chlorides and acidic environments, making them ideal for marine and chemical applications.
Which standards do your stainless steel products follow?
Our products are manufactured in strict accordance with international standards, including ASTM A276 and ASME SA479.
Can I request custom sizes for round or square bars?
Yes, we provide customization for diameters, thicknesses, and lengths to meet the specific dimensions required for your projects.
What types of surface finishes are available?
We offer various surface treatments including Pickled, Black, Bright, Polishing (Brushed/Mirror), and Blasting finishes.
What is the standard minimum order quantity (MOQ)?
The typical MOQ for our stainless steel bars is 1 Ton, though this may vary based on specific material grades and availability.
How are the products packaged for international shipping?
Products are securely bundled or placed in reinforced wooden boxes to meet standard export requirements and ensure safe delivery.

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