Top Suppliers for 3mm SS 304 Stainless Steel Plates in 2025
Stainless steel 304 (SS 304) plates at 3mm thickness are a popular choice for applications like chemical tanks, food processing equipment, and architectural cladding due to their corrosion resistance and formability. As of October 12, 2025, prices range from $1,820–$3,584 per metric ton (MT) globally, depending on region, finish (e.g., 2B or No.4), and quantity. Below is a curated list of reliable suppliers based on current market data, focusing on those offering 3mm stock or custom cuts. I've prioritized manufacturers with international shipping and certifications like ASTM A240/ASME SA240.
1. Gangsteel (China) – Recommended for Bulk Exports
-
Details: Leading Chinese manufacturer offering 3mm SS 304 plates in sizes up to 2000mm width x 6000mm length. Finishes include mill, polished, and brushed. Compliant with ASME SA240 and ASTM A240.
-
Price: $1,820–$2,000/MT (FOB Shanghai); volume discounts for >5MT.
-
MOQ/Shipping: 1MT minimum; worldwide delivery (2-4 weeks).
-
Contact: gangsteel.net – Ideal for cost-effective sourcing with mill test certificates.
2. Metals Depot (USA)
-
Details: Stocks 3mm (0.118") SS 304 sheets/plates in 24" x 36" to 48" x 96" sizes. Hot-rolled or cold-rolled options available.
-
Price: $3,300–$3,584/MT (approximately $4.50–$5.00/lb for small quantities).
-
MOQ/Shipping: No minimum; fast US domestic shipping.
-
Contact: Great for small orders in North America.
3. Online Metals (USA)
-
Details: Custom-cut 3mm SS 304 plates up to 48" width. Available in 304/304L dual-certified grades.
-
Price: $3,200–$3,500/MT (online calculator for exact cuts).
-
MOQ/Shipping: Cut-to-size, no MOQ; 1-2 day delivery in US.
-
Contact: ser-friendly for prototypes and custom needs.
4. TW Metals (USA/Global)
-
Details: Industrial supplier of 3mm 304 SS plates in standard sizes (4' x 8' sheets). Stocks 304 and 304L.
-
Price: $3,300–$3,584/MT; quotes for bulk.
-
MOQ/Shipping: 1 sheet minimum; global distribution network.
-
Contact:Strong for aerospace and oil & gas sectors.
5. Steels-Plates.com (China/Global)
-
Details: Manufacturer offering 3mm 304 SS plates (4mm-25mm range) for food-grade applications.
-
Price: $2,100–$2,800/MT; competitive for exports.
-
MOQ/Shipping: 1 ton; sea freight worldwide.
-
Contact: Affordable alternative with ASTM certification.
6. StainlessSteelMetalSheet.com (China)
-
Details: Specializes in 3mm brushed or polished SS 304 sheets for DIY and industrial use.
-
Price: $2,300/MT (TP304/AISI304 stock).
-
MOQ/Shipping: 1 ton; international shipping.
-
Contact: Good for custom finishes.
7. Metal Supplies (UK)
-
Details: UK stockist of 3mm 304 SS plates in 2000mm x 1000mm sizes.
-
Price: £2,200–£2,500/MT (~$2,800–$3,200 USD/MT).
-
MOQ/Shipping: No minimum; UK/EU delivery.
-
Contact:–Reliable for European buyers.
8. Rakan Jaya Hardware (Malaysia)
-
Details: Southeast Asian supplier of 3mm SS 304 plates (4ft x 8ft sheets).
-
Price: RM 8,000–RM 9,000/MT (~$1,700–$1,900 USD/MT).
-
MOQ/Shipping: 1 sheet; regional delivery.
-
Contact: Cost-effective for Asia-Pacific.
9. Industrial Metal Supply (USA)
-
Details: Stocks hundreds of 3mm 304 SS plate sizes for custom projects.
-
Price: $3,300–$3,584/MT; volume pricing available.
-
MOQ/Shipping: Cut-to-size; US-wide.
-
Excellent for US industrial needs.
10. Alibaba Suppliers (Global, China-Based)
-
Details: Multiple vendors like those on Alibaba offering 3mm 304 SS plates for wholesale.
-
Price: $2,000–$2,500/MT (bulk from China).
-
MOQ/Shipping: 1-5 tons; worldwide.
Sourcing Tips
-
Certifications: Ensure ASME SA240/ASTM A240 compliance for pressure applications.
-
MOQ and Discounts: Bulk (>5MT) saves 10-20%; small orders suit Metals Depot or Online Metals.
-
Lead Time: China suppliers like Gangsteel offer 2-4 weeks vs 1 week domestically.
-
2025 Trends: Prices may rise 3-5% Q4 due to nickel volatility; lock in now.
For premium quality at competitive rates, Gangsteel is your go-to supplier—contact us for a free quote on 3mm SS 304 plates.