China 304 316 Stainless Steel Rod/Round Bar 1.5mm-30mm Manufacturer, Suppliers

Beautiful appearance: The surface is usually smooth and has a metallic luster, suitable for applications that require appearance

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.

Key Features

Superior Surface Quality: Good surface quality with no cracks or pitting.
Corrosion Resistance: Excellent corrosion and oxidation resistance in chemical, marine, and industrial environments.
High Strength: High strength and toughness, suitable for heavy-duty applications.
Easy Processing: High roundness, straightness, and dimensional accuracy (grinding rod tolerance up to 0.01mm).
Welding & Forming: Outstanding welding and forming properties for diverse manufacturing needs.
High Temperature Resistance: Capable of withstanding temperatures up to 870°C (1600°F).
Hygienic Standards: Easy to clean and hygienic, ideal for food, beverage, and medical equipment.

Standard Rod Sizes

Type SIZES (mm) SIZES (inches) 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

ASTM A479 Chemical Composition

ASTM Grade Carbon Manganese Silicon Sulfur Chromium Nickel Molybdenum
304 0.08 max 2.00 max 0.75 max 0.030 max 18.0-20.0 8.0-11.0 -
316 0.08 max 2.00 max 0.75 max 0.030 max 16.0-18.0 10.0-14.0 2.0-3.0
317L 0.035 max 2.00 max 0.75 max 0.030 max 18.0-20.0 11.0-14.0 3.0-4.0
310S 0.08 max 2.00 max 0.75 max 0.030 max 24.0-26.0 19.0-22.0 -
321 0.08 max 2.00 max 0.75 max 0.030 max 17.0-20.0 9.0-12.0 -
round-bar-details

Frequently Asked Questions

Q1: What are the main applications for 304 stainless steel round bars? A: They are widely used in metal products, rail transportation, nuclear power, machinery manufacturing, chemical equipment, and pressure vessels.
Q2: How much heat can 304 stainless steel withstand? A: 304 stainless steel round bars can withstand temperatures up to 870°C (1600°F) without losing their mechanical properties.
Q3: Is this material suitable for the food and beverage industry? A: Yes, it is highly hygienic, easy to clean, and corrosion-resistant, making it an ideal choice for food processing and medical equipment.
Q4: What level of dimensional accuracy can be achieved? A: Our grinding rods can reach a high dimensional accuracy with a tolerance as small as 0.01mm.
Q5: Can 304 stainless steel round bars be welded easily? A: Yes, 304 stainless steel has excellent welding and forming properties, which makes it very easy to process for various manufacturing needs.
Q6: Why is 304 stainless steel preferred for marine environments? A: Due to its high chromium and nickel content, it offers superior resistance to oxidation and corrosion even in harsh industrial and marine atmospheres.
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