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316L Stainless Steel Plate 3mmx1500x3000 ASTM A240 Heat Treated 2B Finish Manufacturing Guide
Introduction
316L stainless steel plate is a high-performance austenitic stainless steel material widely used in industries requiring improved corrosion resistance, reliable mechanical performance, and long service life. Compared with standard 304 stainless steel, 316L contains molybdenum, which enhances resistance to pitting and crevice corrosion, especially in chloride-containing environments.
The ASTM A240 316L stainless steel plate specification is commonly selected for chemical processing equipment, marine components, pharmaceutical systems, food processing facilities, and precision industrial fabrication. The 3mm x 1500mm x 3000mm dimension provides a large working area while maintaining suitable processing flexibility.
Manufactured through controlled rolling, heat treatment, and surface finishing processes, 316L stainless steel plate provides stable quality for international industrial applications.
Product Specification Overview
| Item | Specification |
|---|---|
| Product Type | Stainless Steel Plate |
| Material Grade | ASTM A240 316L |
| Thickness | 3mm |
| Width | 1500mm |
| Length | 3000mm |
| Surface Finish | 2B Finish |
| Manufacturing Process | Heat Treated |
| Steel Structure | Austenitic Stainless Steel |
| Carbon Content | Low Carbon Grade |
| Standard | ASTM A240 |
| Applications | Chemical, Marine, Pharmaceutical, Industrial Equipment |
ASTM A240 covers stainless steel plate, sheet, and strip products used in various industrial applications. 316L is identified as UNS S31603 and is commonly supplied with requirements for chemical composition and mechanical properties.
Material Characteristics of 316L Stainless Steel
316L stainless steel is designed for applications where corrosion resistance is a critical requirement.
The major alloying elements include:
| Element | Function |
|---|---|
| Chromium (Cr) | Creates passive corrosion-resistant surface layer |
| Nickel (Ni) | Improves toughness and forming capability |
| Molybdenum (Mo) | Enhances pitting and chloride corrosion resistance |
| Low Carbon (L) | Reduces carbide precipitation during welding |
The addition of molybdenum makes 316L suitable for more aggressive environments compared with conventional stainless steel grades.
Technical Advantages of 316L Stainless Steel Plate
1. Enhanced Corrosion Resistance
316L stainless steel provides improved resistance in environments containing:
Salt water
Chloride chemicals
Industrial moisture
Chemical processing conditions
This characteristic makes it suitable for marine equipment and chemical processing systems.
2. Low Carbon Composition
The low carbon content reduces the risk of chromium carbide precipitation during welding processes.
Benefits include:
Improved weld area corrosion resistance
Better long-term stability
Reduced post-welding treatment requirements
3. Excellent Fabrication Performance
316L stainless steel can be processed using common manufacturing methods:
Laser cutting
CNC machining
Welding
Bending
Forming
Polishing
Its austenitic structure provides good ductility for complex fabrication requirements.
Mechanical Properties and Quality Data
Typical ASTM A240 316L mechanical requirements include:
| Property | Value |
|---|---|
| Tensile Strength | ≥485 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥40% |
| Maximum Hardness | ≤95 HRB |
| Material Grade | UNS S31603 |
These properties allow 316L stainless steel plates to maintain structural reliability under demanding operating conditions.
Heat Treatment and 2B Surface Finish
Heat Treatment Process
Heat treatment is an important production step for stainless steel plates.
The process helps achieve:
Stable metallurgical structure
Improved corrosion resistance
Reduced internal stress
Consistent mechanical properties
A typical production sequence includes:
Raw material inspection
Rolling process
Heat treatment
Surface cleaning
Cold rolling adjustment
Thickness measurement
Surface inspection
Final quality testing
2B Surface Finish Characteristics
The 2B finish is one of the most commonly used stainless steel surface finishes.
It provides:
| Feature | Benefit |
|---|---|
| Smooth surface | Suitable for industrial and decorative use |
| Uniform appearance | Improves product consistency |
| Easy cleaning | Supports hygienic applications |
| Good processing compatibility | Suitable for further fabrication |
316L 2B stainless steel plates are commonly selected where both appearance and functional performance are required.
Application Industries
Chemical Processing Equipment
316L stainless steel is widely used in chemical industries because of its resistance to corrosive substances.
Applications include:
Storage tanks
Reaction vessels
Pipeline components
Processing equipment
The material helps improve equipment durability in demanding environments.
Marine Engineering
Marine environments contain salt and moisture that can accelerate corrosion.
316L stainless steel plates are used for:
Ship components
Offshore structures
Marine equipment
Coastal construction parts
The molybdenum-containing alloy structure provides additional resistance against chloride-related corrosion.
Pharmaceutical and Medical Equipment
Pharmaceutical manufacturing requires materials with stable surfaces and strong corrosion resistance.
Common applications include:
| Equipment | Usage |
|---|---|
| Mixing tanks | Chemical and pharmaceutical processing |
| Storage containers | Clean material storage |
| Production systems | Hygienic manufacturing environments |
316L stainless steel is widely selected because of its clean surface characteristics and fabrication flexibility.
Food Processing Equipment
Food industries require stainless steel materials that are easy to clean and maintain.
Typical applications include:
Processing tables
Storage systems
Conveying equipment
Food preparation machinery
316L provides corrosion resistance for environments involving water, cleaning chemicals, and temperature changes.
Manufacturing Capability of Professional Suppliers
When purchasing 316L stainless steel plates internationally, buyers usually evaluate supplier capabilities in several areas.
| Capability | Importance |
|---|---|
| ASTM Standard Production | Ensures specification compliance |
| Thickness Control | Maintains dimensional accuracy |
| Surface Inspection | Ensures appearance quality |
| Custom Cutting | Supports fabrication efficiency |
| Material Certification | Provides traceability |
Reliable suppliers normally provide inspection documents such as chemical analysis reports, mechanical testing results, and material certificates.
Comparison Between 316L and 304 Stainless Steel
| Feature | 316L Stainless Steel | 304 Stainless Steel |
|---|---|---|
| Corrosion Resistance | Higher | Standard |
| Molybdenum Content | Included | Not included |
| Chloride Resistance | Improved | Moderate |
| Welding Performance | High | High |
| Common Applications | Marine, chemical, pharmaceutical | Food, construction, general fabrication |
316L is often selected when environmental conditions require additional corrosion protection.
Processing Options
316L stainless steel plate can be customized according to project requirements.
Available processing methods include:
CNC cutting
Laser cutting
Water jet cutting
Welding fabrication
Surface polishing
Custom sizing
The 1500mm x 3000mm plate format provides flexibility for large components and industrial structures.
Why Choose ASTM A240 316L Stainless Steel Plate?
ASTM A240 316L stainless steel plate offers a combination of:
Low carbon alloy design
Molybdenum-enhanced corrosion resistance
Stable mechanical properties
Good welding performance
Wide industrial application range
For manufacturers and engineering companies, standardized 316L stainless steel helps reduce material selection risks and improves production reliability.
Global Search Trends for 316L Stainless Steel Plate
Industrial buyers commonly search using keywords related to:
Grade
Standard
Surface finish
Application
Supplier capability
Popular search phrases include:
316L stainless steel plate
ASTM A240 316L sheet
marine grade stainless steel plate
316L stainless steel supplier
cold rolled stainless steel plate
These search patterns reflect buyer demand for verified specifications and industrial reliability.
Conclusion
316L Stainless Plate 3mmx1500x3000 ASTM A240 Heat Treated 2B Finish is a specialized stainless steel product designed for demanding industrial environments.
With molybdenum-enhanced corrosion resistance, low carbon composition, controlled manufacturing processes, and reliable mechanical properties, 316L stainless steel plate is widely used in marine engineering, chemical processing, pharmaceutical manufacturing, and industrial fabrication.
For global buyers requiring durable stainless steel materials with consistent quality and processing flexibility, ASTM A240 316L stainless steel plate remains a practical solution for long-term industrial applications.
Wuxi Zhongxin Special Steel Co., Ltd. – One-Stop Global Special Steel Export Service Provider
Wuxi Zhongxin Special Steel Co., Ltd. – One-Stop Global Special Steel Export Service Provider
Wuxi Zhongxin Special Steel Co., Ltd. is located in Xishan District, Wuxi City, nestled in the core special steel distribution hub of the Yangtze River Delta. Benefiting from a complete steel industrial chain and convenient marine logistics with easy access to Shanghai and Ningbo ports, we are an integrated special steel foreign trade enterprise integrating direct mill procurement, spot inventory storage, precision metal processing, and global steel import & export. We hold full self-operated import and export qualifications, and provide one-stop supporting solutions of full-range steel products and non-ferrous metals for global industrial purchasers and overseas engineering projects.
With years of experience in steel export, we have established long-term strategic cooperation as authorized distributors with leading domestic steel manufacturers including TISCO, Baosteel, JISCO and Dongfang Special Steel. All goods are supplied directly from original factories with stable supply, and manufactured in strict compliance with international standards such as ASTM, ASME, EN, DIN, JIS and GB to meet customs clearance and engineering inspection requirements worldwide.
Full Range of Main Export Steel Products
1. Stainless Steel Series: Hot-rolled & cold-rolled stainless steel sheets, coils and strips in grades 304/316L/321/2205 duplex steel; BA bright seamless pipes, EP electrolytic polished seamless pipes, industrial welded pipes; stainless steel round bars, angle steels, flanges and pipe fittings. Custom surface finishes including 8K mirror polishing, wire drawing, matte finishing and embossing are available.
2. Carbon Steel & Seamless Pipe Series: ASTM A106 Gr.B seamless carbon steel pipes in SCH40/SCH80, API 5L oil & gas casings, hot/cold rolled carbon steel sheets & coils, medium plates, checkered plates, round bars, H-beams, channel steels and angle steels for construction engineering.
3. Electrical Silicon Steel Series: Grain-oriented & non-oriented silicon steel sheets and coils, ultra-thin silicon steel specially for transformers, suitable for export orders of motors, transformers and new energy electrical equipment.
4. Coated Anti-Corrosion Steel: Hot-dip galvanized sheets & coils, color coated steel and weathering steel, widely used in overseas factory buildings, photovoltaic power stations and steel structure infrastructure projects.
5. Special Alloys & Non-Ferrous Metals: Nickel-based alloys, copper and aluminum sheets, pipes and bars to satisfy supporting demands of high-end chemical and new energy industries.
Supporting Precision Export Processing Capacity
We own a 10,000-square-meter-level warehousing and processing center equipped with imported laser cutting machines, waterjet cutting equipment, high-precision slitting & leveling lines and CNC polishing production lines. We provide one-stop deep processing services including pipe beveling, plate cutting, bending and mirror polishing to fixed lengths. All delivered goods can be supplied with EN 10204 3.1 Material Test Certificates, SGS/BV third-party inspection reports, together with hydrostatic testing, non-destructive testing and full heat number traceability documents.
Core Advantages of Foreign Trade Export
1. Mass Spot Inventory: Thousands of tons of conventional specifications are kept in stock for quick order arrangement of standard 4m/6m/12m fixed-length pipes and various sheets & coils. Special steel grades and non-standard sizes can be scheduled directly from steel mills, supporting both small-batch inquiries and bulk supply for large engineering projects.
2. Mature Global Sales Network: Our professional multilingual foreign trade team exports products to over 40 countries covering the Middle East, Southeast Asia, Europe, Africa, South America and Australia, serving customers from petrochemical, pressure vessel, photovoltaic new energy, food & pharmaceutical, electric power, overseas infrastructure, engineering machinery and other sectors.
3. One-Stop Quotation under All Trade Terms: We offer complete quotations on FOB China port, CFR and CIF overseas destination port basis, supporting full container load and less-than-container load shipments. We can issue certificates of origin, inspection certificates and a full set of customs clearance documents, and track marine logistics throughout the whole process.
4. Standardized Seaworthy Export Packaging: Steel pipes are fitted with plastic end caps, bundled with steel straps and wrapped in waterproof films; steel sheets are covered with anti-rust films. Each bundle is clearly marked with specification, wall thickness, material grade, heat number and country of origin to realize anti-rust protection during long-distance ocean transportation.
5. Transparent & Comprehensive Commercial Services: Quotation validity period, payment terms, loading/unloading fees, inspection charges, bank commissions and other extra costs are fully listed without hidden charges. Our technical team provides 24-hour online support for material selection, standard interpretation and delivery schedule follow-up, along with long-term after-sales guarantee.
Upholding the business philosophy of Quality First, Sincerity for Win-Win, Global-Oriented Service, we strive to be your long-term trusted partner for special steel export with a complete product portfolio, stable original factory supply, professional processing supporting capacity and mature foreign trade delivery system.
Q1：Do you offer sample orders？
A：Yes, samples are available for quality evaluation. Sample cost is charged but refundable upon bulk order.
Q2：What is your MOQ？
A：Our standard MOQ is 100 kg per specification. For common grades and standard sizes, we accept small batch orders. Mixed orders for different products are also welcome.
Q3：Can you provide custom sizes？
A：Yes, we can produce any length, width, thickness, or diameter based on your drawings. Cutting, slitting, and other processing services are available with tolerance as required.
Q4：What certifications do you provide？
A：Each shipment comes with EN 10204 3.1 mill test certificate (MTC). Third-party inspection reports (SGS/BV/TÜV) can be arranged upon request.
Q5：What is your lead time？
A：7–15 working days for stock items. 20–30 days for custom orders, depending on quantity and specification.
Q6：What surface treatments are available？
A：Various surface treatments are available upon request, including pickled, polished, coated, oiled, or as required.
Q7：What payment terms do you accept？
A：T/T (30% deposit + 70% against BL copy), L/C at sight, Western Union, etc.
Q8：What about packaging for export？
A：Standard seaworthy packaging with waterproof protection, steel straps, corner protectors, and ISPM 15 fumigation certification. Custom packaging is available as required.
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