High Quality Cold Drawn 304 304L Stainless Steel Round Rod No. 4 Polished Surface 316 316L 201 ASTM AISI Stainless Steel Bar

• After-sales Service: Online
• Warranty: /
• Type: Stainless Steel
• Model NO.: Stainless Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Cold Drawn
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
• Surface Treatment: Polished
• Alloy: Alloy
• Special Use: Mold Steel, Free Cutting Steel, Cold Heading Steel
• Applications: Architectural Decoration
• Product Name: Stainless Steel Pipe
• Surface Finish: 2b, Ba, No.1, No.4, 4K, 8K, Mirror
• Tolerance: 1%
• Ni: 8-12%
• Materials: 201, 304, 321, 316ti, 316L, 314h, 310S, 2507
• Transport Package: Water Proof Paper+Metal Pallet+Angle Bar Protectio
• Specification: As Requirement
• Trademark: TISCO, POSCO, JISCO, LISCO etc.
• Origin: Wuxi China
• HS Code: 721922
• Production Capacity: 50000ton/Month

Product Description

Product Description

Stainless Steel Bar (also known as Stainless Steel Iron) is an L-shaped cross-section structural steel product, available in equal leg (both legs of the same length) and unequal leg (different leg lengths) configurations. It's renowned for its exceptional corrosion resistance, high strength, and aesthetic appeal, widely used in construction, machinery, and industrial applications requiring structural support and durability. Compliant with global standards such as ASTM, EN, JIS, and GB.

1. Basic Information & International Standards

Specification	Details
Common Names	Stainless Steel Bar, SS  Iron Bar, L-Shaped Stainless Steel Profile
Key Standards	- ASTM A480/A480M (USA) - EN 10056-1/2 (Europe) - JIS G4305 (Japan) - GB/T 4237 (China) - ISO 683-13 (Global)
Cross-Section Types	1. Round,Equal Leg Angle
Delivery Conditions	Hot-rolled (HR), Cold-rolled (CR), Annealed, Pickled & Passivated (AP)
Surface Finish	2B (matte), NO.1 (industrial), NO.4 (brushed), BA (bright), 8K (mirror)

2. Common Grades & International Equivalents
Stainless steel bars are primarily made from austenitic, ferritic, or duplex grades. Below are the most widely used grades in international trade:

Grade (ASTM)	Equivalent Grades	Type	Key Characteristics	Typical Applications
304 (A240)	EN 1.4301, JIS SUS304, GB 06Cr19Ni10	Austenitic (Non-magnetic)	High corrosion resistance, excellent weldability, cost-effective	General construction, decorative structures, food processing equipment
304L (A240)	EN 1.4306, JIS SUS304L, GB 022Cr19Ni10	Austenitic (Non-magnetic)	Low carbon, no intergranular corrosion after welding	Chemical tanks, marine structures, high-temperature applications
316 (A240)	EN 1.4401, JIS SUS316, GB 06Cr17Ni12Mo2	Austenitic (Non-magnetic)	Molybdenum-added, superior pitting corrosion resistance	Marine engineering, coastal buildings, chemical processing
316L (A240)	EN 1.4404, JIS SUS316L, GB 022Cr17Ni12Mo2	Austenitic (Non-magnetic)	Low carbon + molybdenum, highest corrosion resistance in austenitic grades	Offshore platforms, medical equipment, seawater handling systems
430 (A240)	EN 1.4016, JIS SUS430, GB 06Cr13	Ferritic (Magnetic)	Cost-effective, good oxidation resistance	Architectural decoration, automotive trim, household appliances
2205 (A240)	EN 1.4462, JIS SUS2205, GB 022Cr23Ni5Mo3N	Duplex (Weakly magnetic)	High strength + excellent corrosion resistance	Heavy-duty industrial structures, chemical pipelines, desalination plants

3. Chemical Composition (Key Grades)

Element (%)	304	316L	430	2205
Carbon (C)	≤0.08	≤0.03	≤0.12	≤0.03
Chromium (Cr)	18.00-20.00	16.00-18.00	11.50-14.50	22.00-23.00
Nickel (Ni)	8.00-12.00	10.00-15.00	≤0.75	4.50-6.50
Molybdenum (Mo)	-	2.00-3.00	-	3.00-4.00
Nitrogen (N)	≤0.10	≤0.10	-	0.14-0.20
Silicon (Si)	≤1.00	≤1.00	≤1.00	≤1.00
Manganese (Mn)	≤2.00	≤2.00	≤1.00	≤2.00
P (Max)	0.045	0.045	0.040	0.030
S (Max)	0.030	0.030	0.030	0.020

4. Mechanical Properties (Annealed Condition)

Property	304	316L	430	2205	Test Standard
Tensile Strength (σb)	≥515 MPa	≥485 MPa	≥450 MPa	≥620 MPa	ASTM E8/E8M
Yield Strength (σ0.2)	≥205 MPa	≥170 MPa	≥205 MPa	≥450 MPa	ASTM E8/E8M
Elongation (δ5)	≥40%	≥40%	≥22%	≥25%	ASTM E8/E8M
Hardness (HBW)	≤201	≤187	≤201	≤290	ASTM E18
Magnetic Property	Non-magnetic	Non-magnetic	Magnetic	Weakly magnetic	-

5. Standard Sizes & Tolerances
5.1 Equal Leg Bar (Most Common)

Leg Length (a)	Thickness (t)	Length Range	Tolerance (a/t)
10mm × 10mm	2mm-3mm	3000mm-12000mm	±0.3mm/±0.2mm
12mm × 12mm	2mm-4mm	3000mm-12000mm	±0.3mm/±0.2mm
16mm × 16mm	2mm-5mm	3000mm-12000mm	±0.4mm/±0.2mm
20mm × 20mm	3mm-6mm	3000mm-12000mm	±0.4mm/±0.3mm
25mm × 25mm	3mm-8mm	3000mm-12000mm	±0.5mm/±0.3mm
30mm × 30mm	4mm-10mm	3000mm-12000mm	±0.6mm/±0.4mm
40mm × 40mm	5mm-12mm	3000mm-12000mm	±0.8mm/±0.5mm
50mm × 50mm	5mm-14mm	3000mm-12000mm	±1.0mm/±0.6mm
63mm × 63mm	6mm-16mm	3000mm-12000mm	±1.2mm/±0.7mm
80mm × 80mm	7mm-18mm	3000mm-12000mm	±1.5mm/±0.8mm
100mm × 100mm	8mm-20mm	3000mm-12000mm	±1.8mm/±1.0mm

6. Key Characteristics & Advantages
Exceptional Corrosion Resistance: Resists rust, acid, alkali, and saltwater corrosion (316L/2205 grades ideal for harsh environments)
High Structural Strength: L-shaped design provides excellent load-bearing capacity for structural support
Aesthetic Appeal: Smooth surface finish (2B/NO.4/8K) suitable for decorative applications
Durability: Long service life with minimal maintenance
Weldability: Easy to weld using standard methods (MIG/TIG/ARC welding)
Machinability: Can be cut, drilled, bent, and fabricated to meet custom requirements
Hygienic: Non-porous surface, compliant with FDA standards (suitable for food/medical industries)
Recyclability: Environmentally friendly, 100% recyclable

7. Typical Applications
Stainless steel  bars are versatile and used across multiple industries:

Construction & Architecture:
Curtain wall frames, door/window frames, handrails, staircases
Structural supports for bridges, stadiums, and high-rise buildings
Decorative elements (NO.4/8K finish for interior/exterior design)

Industrial Machinery:
Machine bases, frames, and supports
Conveyor systems, assembly lines, and equipment brackets

Chemical & Petrochemical Industry:

Chemical storage tank supports, pipeline brackets
Offshore platforms, seawater treatment equipment (316L/2205 grades)

Food & Beverage Industry:
Processing equipment frames, shelving, and worktables (304/316L grades)
Hygienic structural components compliant with FDA standards

Marine Engineering:
Ship hull structures, deck supports, and marine equipment (316L/2205 grades)

Automotive & Aerospace:

Vehicle chassis components, aircraft structural brackets (high-strength grades)

General Engineering:
Fasteners, clamps, and custom fabrications

8. Commercial Product Description Template (For Export)
Product Name: 304 Stainless Steel Bar (ASTM A480, Equivalent to EN 1.4301/SUS304)
Specifications:
Leg Length × Thickness: 50mm × 50mm × 8mm
Length: 6000mm (Custom lengths available)
Delivery Condition: Hot-rolled, Annealed & Pickled (AP)
Surface Finish: 2B (Matte)
Certification: MTC 3.1 (EN 10204), ISO 9001, FDA (for food-grade applications)
Material Grade: AISI 304 (ASTM A240/A480)
Key Advantages:
High corrosion resistance for indoor/outdoor use
Excellent structural strength and load-bearing capacity
Easy to weld, cut, and fabricate
Compliant with international standards (ASTM/EN/JIS)
Stable supply from Baosteel/Tisco mill sources
Packaging: Seaworthy wooden crates with moisture-proof paper, steel strapping, and end protectors (custom packaging available upon request)

9. Quotation Inquiry Response Guide (For International Trade)
When responding to inquiries for stainless steel bars, emphasize these value points to win orders:
Grade Clarity: Confirm the required grade (304/316L/430/2205) and equivalent standards to avoid misunderstandings.
Size Flexibility: Highlight custom size options (leg length, thickness, length) to meet specific project needs.
Quality Assurance: Mention MTC 3.1 certification, ultrasonic testing (if required), and compliance with international standards.
Surface Finish Options: Offer multiple finishes (2B/NO.4/BA/8K) and explain their suitability for different applications.
Supply Capacity: State monthly production volume (e.g., 500 tons/month) and lead time (3-4 weeks for standard sizes).
Cost-Effective Solutions: Provide competitive pricing for bulk orders and suggest cost-saving alternatives (e.g., 430 grade for non-corrosive environments).
Technical Support: Offer free fabrication advice (welding, cutting, bending) to assist customers with installation.

Detailed Photos

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Packaging & Shipping

Company Profile

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based", since the establishment of the company and always to do our best to satisfy potential needs of our customers. Our company is sincerely to willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with irresistible force.

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Certifications

FAQ

Q1: Why choose us?
A: Our company, as an internationally experienced and professional supplier, has been engaged in steel business for more than ten years. We can provide a variety of steel products with high quality to our clients.

Q2: Can you provide OEM/ODM service? 
A: Yes. Please feel free to contact us for more details.

Q3:What is your terms of payment?
A: 100% T/T advance.
30% T/T and balance against copy of documents.
30% T/T advance, balance L/C at sight.

Q4: Can we visit your factory? 
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

Q5: Can you provide sample? 
A: Yes. Sample is free for regular sizes, but the buyer needs to pay freight cost.

Q6: How long is your delivery time?
A: Regular lead time is 15 to 30 days after receiving deposit.