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Help CenterASTM A240 304 Stainless Steel Coil 0.8mm-3.0mm Thickness 2B Finish Mill Test Report
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your reliable partner for high-quality stainless steel solutions. Our ASTM A240 304 Stainless Steel Coil is precision-engineered with thickness ranging from 0.8mm to 3.0mm and a smooth 2B finish, ensuring excellent corrosion resistance and aesthetic appeal. Backed by a Mill Test Report and ISO9001 certification, this coil meets the highest industry standards for durability and performance.
Whether you are in construction, automotive, food processing, or architectural design, our stainless steel coil delivers consistent quality and reliability. With an annual export value of US$50-100 million and a dedicated team of 51-100 employees, we are committed to providing superior products and exceptional service to clients across North America, South America, Europe, Asia, Africa, and Oceania.
Key Features & Technical Specifications
- Material Grade: 304 Stainless Steel conforming to ASTM A240, offering excellent corrosion resistance and weldability.
- Thickness Range: 0.8mm – 3.0mm, available in customizable widths to suit your specific requirements.
- Surface Finish: 2B finish – a bright, cold-rolled surface ideal for general applications and further processing.
- Mill Test Report: Each coil is supplied with a comprehensive Mill Test Certificate, ensuring traceability and compliance with international standards.
- High Strength & Formability: Tensile strength ≥520 MPa, yield strength ≥205 MPa, and elongation ≥40% for excellent forming and drawing capabilities.
- Customizable Options: Available in various hardness levels (1/4H, 1/2H, Full Hard) and edge processing (slit, round, square).
Mechanical Properties (Typical Values)
| Property | Value |
|---|---|
| Tensile Strength | ≥520 MPa |
| Yield Strength (0.2% offset) | ≥205 MPa |
| Elongation in 50mm | ≥40% |
| Hardness (HRB) | ≤92 |
Applications & Benefits
- Architectural & Building: Ideal for roofing, cladding, handrails, and decorative panels due to its 2B finish and corrosion resistance.
- Food & Beverage Industry: Hygienic surface prevents bacterial growth, making it perfect for kitchen equipment, storage tanks, and processing lines.
- Automotive & Transportation: Used in exhaust systems, trim, and structural components where strength and durability are required.
- Chemical & Petrochemical: Resists oxidation and corrosion in harsh environments, suitable for heat exchangers and piping systems.
- General Manufacturing: Excellent formability allows for stamping, bending, and deep drawing in various industrial applications.
Why Choose Hemaokang Steel?
With US$50-100 million annual export value and a team of 51-100 experienced professionals, Hemaokang Steel (Shandong) Co., Ltd. has built a strong reputation for delivering premium stainless steel products since 2025. Our factory is located in Liaocheng, Shandong, China, with convenient access to Qingdao Port for efficient global shipping. We serve diverse markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, and the Middle East – ensuring that your orders arrive on time and in perfect condition.
Every coil is inspected and tested to meet ASTM A240 standards, and we provide a Mill Test Report with each shipment for full traceability. Our ISO9001-certified quality management system guarantees consistency and reliability. We also offer customization services such as slitting, cutting, and edge finishing to meet your exact specifications.
Ready to order or request a quote? Contact our sales team today for competitive pricing and fast delivery. We are committed to your satisfaction and long-term partnership.
Frequently Asked Questions (FAQ)
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What is the thickness tolerance of your ASTM A240 304 stainless steel coil?
We offer standard thickness tolerance of ±0.05mm for 0.8mm-1.5mm thickness, and ±0.10mm for 1.5mm-3.0mm thickness. Tighter tolerances are available upon request. -
Can you provide the exact width and coil weight we need?
Yes, width can be customized from 600mm to 1500mm. Coil weight typically ranges from 3 to 10 tons per coil, but we can adjust according to your requirements. -
Is the 2B finish suitable for mirror polishing?
The 2B finish is a bright, cold-rolled surface that can be further polished to a mirror finish (e.g., #8) if needed. We can supply coils with different finishes as per your request. -
Do you provide a Mill Test Report with every shipment?
Absolutely. Each coil comes with a comprehensive Mill Test Certificate (MTC) showing chemical composition, mechanical properties, and heat number for full traceability. -
What is the typical lead time for an order?
For standard thicknesses and widths, lead time is 15-25 days after deposit confirmation. Custom sizes may require 20-30 days. We also offer express delivery for urgent orders. -
Can you supply coils in other grades like 316L or 430?
Yes, we supply a wide range of stainless steel grades including 304L, 316L, 321, 430, and 201. Please contact us with your specific requirements. -
How do you ensure the quality of the coils?
We implement strict quality control at every stage – from raw material inspection to final testing. Our ISO9001 certification and in-house laboratory ensure that each coil meets ASTM A240 specifications. -
What is your shipping policy for international orders?
We ship from Qingdao Port via sea, air, or express as per your preference. We partner with reliable freight forwarders to ensure safe and timely delivery worldwide.
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