China Marine Grade Corrosion Resistant | High-Performance Industrial Material Supplier, Factories

High Strength and Durability: With excellent tensile strength and yield strength, it can withstand high pressure and heavy loads, ensuring the stability and reliability of the structure.

Standard: ASTM A276 ASTM A564
Grade: 304 316 321 904l 630
Surface: Black Bright Grinding
Diameter: 1mm to 500mm

Product Description

Overview

304 stainless steel is an austenitic stainless steel alloy that is widely used in various applications due to its excellent corrosion resistance, good mechanical properties and high temperature resistance. 304 stainless steel round bar is a common product made from this alloy. Stainless steel round bar (rough round) can be applied to: metal products, rail transportation, nuclear power, machinery manufacturing, chemical equipment, pressure vessels.

Customized Stainless steel
stainless round bar

Key Features

Superior Surface Quality: The round bar material surface is excellent, free from cracks and pitting.
Corrosion Resistance: Excellent oxidation resistance in chemical, marine, and industrial environments.
High Strength & Toughness: Suitable for applications requiring high durability and structural integrity.
Easy Processing: High roundness and straightness with small tolerances (grinding rods up to 0.01mm).
Welding & Forming: Outstanding properties for various manufacturing and assembly processes.
Thermal Resistance: Withstands temperatures up to 870°C (1600°F) without losing properties.
Hygienic Standards: Easy to clean, ideal for food, beverage, and medical equipment.
Stainless steel round 5
Stainless steel round 4

Standard Stainless Steel Rod Sizes

Type SIZES (mm) SIZES (inch) Tolerance
Peeled and Polished 40.00-150.00 1.50-6.00 h11, h11-DIN 1013
Cold Drawn and Polish 3.00 to 75.00 1/8 to 3.00 h8 to h11
Cold Drawn and Ground 10.00 to 75.00 5/6 to 2.50 h8 to h11
Peeled and Ground 20.00-50.00 3/4-2.00 h9 to h11

Technical Specifications

Standard ASTM A276, A484, A479, A580, A582, JIS G4303, JIS G4311, DIN 1654-5, DIN 17440, KS D3706, GB/T 1220
Material 201, 202, 301, 303, 304, 304L, 310S, 316, 316L, 321, 410, 420, 430, 2205, 904L, etc.
Surface Bright, Polishing, Pickled, Peeled, Black, Grinding etc.
Technology Cold Drawn, Hot Rolled, Forged

Chemical Composition & Mechanical Properties

Grade C Mn Si P Cr Mo Ni
SS 316 0.08 max 2.0 max 1.0 max 0.045 16.0-18.0 2.0-3.0 11.0-14.0
SS 316L 0.035 max 2.0 max 1.0 max 0.045 16.0-18.0 2.0-3.0 10.0-14.0

Density: 8.0 g/cm3

Melting Point: 1400 °C (2550 °F)

Tensile Strength: 515 MPa

Yield Strength: 205 MPa

Elongation: 35%

Quality Assurance

Quality Assurance Process
Visual Dimension Test
Mechanical examining
Ultrasonic test
Chemical analysis
Hardness test
Pitting protection test
Penetrant Test
Intergranular Corrosion
Impact analysis
Metallography Test

Frequently Asked Questions

FAQ
What are the primary uses for 304 stainless steel round bars?
They are widely used in metal products, rail transportation, nuclear power, machinery manufacturing, chemical equipment, and pressure vessels due to their high corrosion resistance.
Can these round bars withstand high-temperature environments?
Yes, 304 stainless steel round bars can withstand temperatures up to 870°C (1600°F) without losing their mechanical properties.
What surface finishes do you provide?
We offer a variety of finishes including Bright, Polishing, Pickled, Peeled, Black, and Grinding to meet different industrial requirements.
Are the round bars suitable for the food and beverage industry?
Absolutely. These bars are hygienic and easy to clean, making them an ideal choice for the food, beverage, and medical industries.
What is the dimensional accuracy of your grinding rods?
Our grinding rods can achieve high dimensional accuracy with tolerances as small as 0.01mm.
How is the quality of the stainless steel bars guaranteed?
Quality is ensured through rigorous destructive and non-destructive testing, including ultrasonic tests, chemical analysis, mechanical property examinations, and visual inspections.

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