Hot Rolled Stainless Steel Coil Supplier – Grade 304/316, ASTM A240, Custom Width & Thickness

Kuaima Steel Co., Ltd.

Verified Custom manufacturer · 7 yrs ·

China

hot rolled stainless steel coil supplier

Customizable Rock-bottom price

$1285 1-49 ton Base price

$1230 50-99 ton 4.3% off

$1200 ≥100 ton 6.6% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 1,285.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Hot Rolled Stainless Steel Coil

Property	Parameter	Description
Product Name	Hot Rolled Stainless Steel Coil	High-temperature rolled stainless steel in coil form
Material Grade	304/304L, 316/316L, 321, 310S, 430, 201	Multiple austenitic and ferritic grades available
Standard Compliance	ASTM A240, EN 10088-2, JIS G4304, GB/T 3280	Meets major international standards
Carbon (C)	≤0.08% (304) / ≤0.03% (304L/316L)	Low carbon content for enhanced weldability
Chromium (Cr)	16.0-26.0%	Primary element for corrosion resistance
Nickel (Ni)	8.0-22.0%	Enhances ductility and austenitic stability
Molybdenum (Mo)	2.0-3.0% (316/316L)	Improves pitting and crevice corrosion resistance
Tensile Strength	≥515 MPa	Minimum tensile strength per ASTM A240
Yield Strength	≥205 MPa	Minimum yield strength requirement
Elongation	≥40%	Ductility measured in 50mm gauge length
Hardness	≤200 HBW (annealed condition)	Brinell hardness for hot rolled condition
Thickness Range	2.0 - 16.0 mm	Standard hot rolled thickness options
Width Range	1000 - 2000 mm	Available coil widths
Coil Weight	3 - 10 tons	Standard coil weight range
Surface Finish	No.1 (hot rolled, pickled)	Standard hot rolled surface treatment
Edge Type	Mill edge, Slit edge	Edge finishing options
Application	Chemical equipment, food processing, construction, automotive	Typical industrial applications
Certification	EN 10204 3.1/3.2, ISO 9001, PED	Quality certifications and mill test certificates
Packaging	Steel strapping, waterproof paper, wooden pallet	Export-standard packaging for coil protection
MOQ	5 tons	Minimum order quantity per grade

Hot Rolled Stainless Steel Coil Supplier – Grade 304/316, ASTM A240, Custom Width & Thickness

Hot rolled stainless steel coil supplier services provide essential material solutions for industries requiring robust, corrosion-resistant steel products in coil form. As a specialized hot rolled stainless steel coil supplier, we deliver premium-grade austenitic and duplex stainless steel coils manufactured to precise specifications, serving critical applications in chemical processing, marine engineering, construction, and food production equipment. Our mill-direct supply chain ensures cost-effective pricing while maintaining compliance with international quality standards including ASTM A240, EN 10088-2, and JIS G4304.

What is Hot Rolled Stainless Steel Coil?

Hot rolled stainless steel coil represents material processed at temperatures exceeding 1700°F (927°C), resulting in a scaled surface finish with thickness tolerance of ±0.014 inches per ASTM A480 specifications. This manufacturing process produces coils with superior formability and reduced internal stress compared to cold-rolled alternatives, making them the preferred choice for applications requiring subsequent fabrication operations such as bending, stamping, or deep drawing.

Hot Rolled Stainless Steel Coil Technical Specifications

Our hot rolled stainless steel coil inventory encompasses thickness ranges from 0.079 inches (2.0mm) to 0.500 inches (12.7mm) with width availability up to 72 inches (1829mm). Standard grades include 304/304L with carbon content limited to 0.08%/0.03% maximum respectively, and 316/316L featuring molybdenum content of 2.0-3.0% for enhanced chloride corrosion resistance. All coils undergo solution annealing at 1900-2050°F (1038-1121°C) followed by rapid cooling to achieve optimal microstructure per ASTM A240 Section 7.3 requirements.

hot rolled stainless steel coil supplier China

Why Choose Our Hot Rolled Stainless Steel Coil Supply

Our position as a trusted hot rolled stainless steel coil supplier stems from maintaining ISO 9001:2015 certified quality management systems and direct partnerships with POSCO, Tisco, and Outokumpu mills. We provide full material traceability with mill test certificates (MTCs) documenting chemical composition analysis via optical emission spectrometry and mechanical property verification through tensile testing per ASTM E8 protocols. Our technical team offers application-specific grade recommendations, ensuring material selection aligns with operating temperature ranges, corrosive media exposure, and mechanical load requirements.

hot rolled stainless steel coil manufacturer

Comprehensive Grade Portfolio

Beyond standard 304 and 316 grades, we supply specialized alloys including 321 with titanium stabilization for temperatures up to 1500°F (816°C), 310S offering exceptional oxidation resistance to 2100°F (1149°C), and 2205 duplex stainless steel providing yield strength of 65 ksi (450 MPa) minimum with superior stress corrosion cracking resistance in chloride environments.

Custom Processing Capabilities

Our value-added services include precision slitting to tolerances of ±0.015 inches, edge conditioning with deburred or rounded profiles, and custom length cutting with squareness maintained within 0.125 inches per 48 inches of width. Surface treatments available encompass No. 1 finish (hot rolled, annealed, pickled), 2B finish (cold rolled, annealed, pickled, skin-passed), and BA finish (bright annealed) depending on application requirements.

Quality Assurance Protocol

Every coil undergoes non-destructive testing including ultrasonic examination per ASTM A435 for internal discontinuities and eddy current inspection conforming to ASTM E309 standards for surface defect detection. Dimensional verification utilizes laser measurement systems ensuring thickness uniformity within ±3% across coil width, while hardness testing via Rockwell B scale confirms proper heat treatment effectiveness.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard minimum order quantity is 5 metric tons per grade and thickness combination, though we accommodate smaller volumes for specialized alloys or custom dimensions with adjusted pricing. Consolidated shipments combining multiple grades can meet the 5-ton threshold while providing material diversity for your inventory management.

Do you provide material test certificates?

Yes, we supply EN 10204 Type 3.1 mill test certificates with every shipment, documenting heat-specific chemical composition analyzed per ASTM E415 spark optical emission spectrometry, mechanical properties including 0.2% yield strength and ultimate tensile strength per ASTM A370, and grain size determination following ASTM E112 methodology. Certificates include unique heat numbers enabling full traceability to original melt production.

What is the typical delivery time?

Standard grade inventory in common dimensions ships within 5-7 business days from order confirmation. Custom thickness or width specifications require 4-6 weeks production lead time depending on mill scheduling and current order backlog. Expedited processing is available for urgent requirements with 15-20% premium applied to base pricing.

Can you cut to custom sizes?

Our precision slitting lines accommodate width tolerances of +0.000/-0.031 inches for slit widths under 24 inches, and +0.000/-0.062 inches for widths exceeding 24 inches per ASTM A480 Table 4 requirements. Length cutting maintains squareness within 1/8 inch per 48 inches of width, with burr height limited to 0.004 inches maximum on sheared edges.

Get a Competitive Quote for Hot Rolled Stainless Steel Coil

Request your customized quotation today and experience the advantages of partnering with a hot rolled stainless steel coil supplier committed to material excellence and responsive customer service. Our technical sales team provides application engineering support, helping optimize grade selection and dimensional specifications to reduce material costs while ensuring performance reliability in your specific operating environment.

hot rolled stainless steel coil wholesale

24/7 customer support available via phone, email, and online chat
Free samples for quality evaluation with MTR documentation included
Competitive pricing for bulk orders with volume discount programs
Professional technical consultation on grade selection and fabrication methods

Contact us today to get your free quote within 24 hours!

Ratings & Reviews

4.5

Based on 10 reviews

5 6

4 3

3 1

2 0

1 0

John Smith

United States

2025-08-27

Acceptable Quality with Minor Packaging Issues Resolved

Decent product, some issues resolved. Ordered 6 tons of 316L hot rolled coils (3.2mm thickness, 1300mm width) for pharmaceutical equipment fabrication. Material quality was good with proper chemical composition per ASTM A240 and acceptable surface finish. However, initial shipment arrived with water staining on outer wraps of two coils due to inadequate moisture barrier during ocean freight. The affected areas showed surface discoloration but no actual corrosion after cleaning. Supplier responded professionally within 24 hours, arranged inspection, and provided 8% credit for our additional cleaning labor costs. They also upgraded packaging specifications for our subsequent order with double-layer VCI film and desiccant packs, which arrived in perfect condition. Suggest they standardize the enhanced packaging for all export shipments to prevent recurrence. Overall acceptable supplier who stands behind their product and resolves issues fairly. Would order again with confidence in their improved packaging protocol.

Chris Martin

Canada

2025-09-04

Reliable Repeat Supplier for Multiple Grades

Long-term partner for diverse stainless steel coil requirements. This is our 9th order over 14 months covering 304, 316L, and 321 grades totaling 68 tons. Consistency across different grades has been impressive - all shipments arrive with complete documentation packages including mill test certificates, dimensional inspection reports, and material safety data sheets organized by heat number. Their flexible minimum order quantity of 5 tons allows us to stock multiple grades without excessive inventory investment. We've tested their 304 coils against competitor material in side-by-side corrosion chambers and found equivalent or superior performance in salt spray testing per ASTM B117. The supplier maintains detailed order history, proactively suggesting reorder timing based on our consumption patterns. They've also accommodated rush orders twice with 3-day expedited processing. Looking forward to continued partnership as we expand our stainless steel product line.

Robert Brown

United Kingdom

2025-09-17

Decent 304 Coils with Good Technical Support

Decent product quality overall. We compared quotes from 5 European suppliers and their price was mid-range but included free custom slitting service which added value. Ordered 9 tons of 304 hot rolled coils (2.8mm thickness) slit to three different widths (800mm, 1000mm, 1200mm) for our modular kitchen equipment production. The slitting tolerance was within ±0.020 inches, slightly wider than the ±0.015 inches we typically specify, requiring minor adjustment to our forming tooling. However, edge quality was good with minimal burring. Their technical team provided helpful forming recommendations for our specific radii requirements. Surface finish consistency varied slightly between coils from different heats - one coil had slightly darker pickling but still within acceptable 2D finish standards. Overall good supplier for volume orders. 4 stars because of tolerance and finish variations, but considering the bundled slitting service and responsive technical support, it represents fair value.