Products Description
The 310S stainless steel sheet adopts an innovative grain boundary optimization technology, demonstrating outstanding performance stability in extremely high-temperature environments. Through a precisely controlled chromium-nickel balance system (Cr: 24.5-26%, Ni: 19-21%), combined with the addition of trace amounts of cerium, the material can maintain excellent anti-oxidation performance even at a continuous working temperature of 1200°C. This 310S stainless steel sheet performs exceptionally well in thermal shock tests. After undergoing more than 2000 intense temperature cycles, the material's surface oxide layer remains intact without any signs of peeling. Its unique nano-scale dense oxide layer structure can effectively prevent the erosion of high-temperature corrosive media, and still maintains stable performance in harsh environments such as those containing sulfur and chlorine.
Precise specification system
- International Certification: Certified by DNV-GL Classification Society and NADCAP Special Process Certification
- Surface treatment: Offer high-end surface treatments such as precision frosted finish (Ra ≤ 0.4μm), ultra-glossy finish (8K), and anti-fingerprint coating.
- Thickness series: Full range of specifications from 0.3mm to 8.0mm, supporting precise tolerance customization of ±0.05mm
- Board size configuration: Optimized sizes are 1219×3048mm and 1500×3000mm. Special width customization is supported.
- Advanced processing services: We can offer specialized processing such as precision etching, electrochemical polishing, and vacuum heat treatment.
| Element | C | Cr | Ni | Mn | Si | P | S | Ce | N |
|---|---|---|---|---|---|---|---|---|---|
| Content | ≤0.06 | 24.5-26 | 19-21 | ≤1.8 | ≤1.2 | ≤0.035 | ≤0.025 | ≤0.05 | 0.12 |
Mechanical properties
- Tensile strength: 540 - 750 MPa
- Specified non-proportional extension strength: ≥ 220 MPa
- Uniform elongation: ≥ 42%
- Vickers hardness: ≤ 200 HV
- High-temperature endurance strength: ≥ 85 MPa (1000℃/1000 hours)
Company Introduction
We have invested in introducing the world's leading cold rolling units, along with a fully hydrogen atmosphere-protected bright annealing furnace, to ensure that the 310S stainless steel sheets achieve perfect surface quality and precise mechanical properties. The production line is equipped with a fully automated control system from Siemens of Germany, which continuously monitors key process parameters such as rolling force, tension, and temperature. Our R&D center has an advanced material computational simulation platform, which can optimize production processes through digital twin technology and customize material performance for specific customer application scenarios. Each batch of products undergoes strict process review to ensure that the performance indicators fully meet the design requirements.
Quality Assurance
We have established a unique "four-level progressive" quality control system: at the raw material stage, dual verification is conducted using full-spectrum direct reading spectrometers and ICP analyzers; during the rolling process, millimeter-level precision control is achieved through laser velocimeters and online thickness gauges; in the heat treatment stage, a full-process temperature tracking system is employed; at the finished product stage, scanning electron microscopes and X-ray diffraction instruments are used for microscopic structure analysis. All 310S stainless steel sheets must pass 1000-hour salt spray tests and high-temperature oxidation tests to ensure reliability in extreme environments. We have established a comprehensive quality traceability system, with each product having an independent quality file, enabling full lifecycle quality traceability.
Professional customer service
We have innovatively introduced the "Technical Partner" service model, providing a team of experienced material engineers for strategic clients. We start to intervene from the project concept stage and offer full-scale technical support and material selection suggestions. We have established the "135 Rapid Response Mechanism": respond to technical inquiries within 1 hour, provide preliminary solutions within 3 hours, and complete sample trial production within 5 working days. We regularly provide customers with industry technical white papers and market analysis reports to help them grasp the latest development trends of material applications. We have also set up a dedicated application laboratory to provide material verification and process optimization services for customers.
Engineering Services
Our engineering technical team can provide comprehensive material application solutions, including conducting working condition simulation analysis using ANSYS to predict the stress distribution of materials in actual use; conducting life assessment through fatigue testing machines to provide reliable life prediction; conducting failure analysis using transmission electron microscopes to identify the root cause of the problem and propose improvement plans. For special application requirements, we can provide personalized heat treatment processes and surface treatment solutions to ensure the optimization of material performance. We have also established a complete material database, which includes thousands of application cases, providing reliable data support for our clients.
Transportation methods and packaging
We have established a scientifically rigorous four-level protective packaging system, specifically providing comprehensive protection for 310S stainless steel sheets based on their characteristics. The first level employs VCI gas-phase anti-rust technology and anti-static isolation materials to ensure complete isolation from corrosive media during transportation and storage; the second level uses high-strength EPE pearl cotton and custom protective corners for buffering protection, effectively absorbing the impact energy during transportation; the third level adopts a patented design of steel structure pallet systems, ensuring the stability of the goods through multi-point positioning devices; the fourth level selects waterproof and moisture-proof outer packaging in accordance with international standards, including ISPM15-certified fumigation wooden boxes, rust-resistant composite film vacuum packaging, and other special schemes. For 310S stainless steel sheets with ultra-precise surface requirements, we also provide professional packaging services in a dust-free workshop to ensure that the products are delivered to customers in perfect condition.
We have established a global intelligent logistics system, achieving full-process visual control through a digital logistics platform. Relying on strategic cooperation with international shipping giants such as Maersk and CMA CGM, we have established stable shipping channels: 15-18 days direct delivery from major ports in Asia, regular ships in basic ports in Europe within 25-28 days, and fast routes on the west coast of the Americas within 20-22 days. At the same time, we have equipped professional special transportation fleets, providing dedicated flatbed trucks and airbag shock absorption systems for ultra-wide and ultra-long plates. Through the in-depth application of Internet of Things technology, we have realized temperature and humidity monitoring, vibration monitoring and real-time positioning throughout the transportation process, and established a complete emergency handling mechanism. We can also provide personalized logistics solutions such as door-to-door delivery, bonded storage, and regional distribution based on customer needs, ensuring that 310S stainless steel thin plates are safely and on-time delivered to any destination worldwide.
FAQ
Q1: What are the main differences between 310S stainless steel sheet and 310 stainless steel sheet?
A: The 310S stainless steel sheet has a further reduced carbon content (C ≤ 0.06%) compared to 310 stainless steel sheet. This improvement significantly enhances the welding performance and intergranular corrosion resistance of the material. Additionally, the sheet specifications (0.3 - 8.0mm) make it more suitable for applications requiring precise processing and lightweighting, such as aerospace components and precision instrument equipment.
Q2: How do you ensure the surface quality of the 310S stainless steel sheet during long-distance transportation?
A: We employ a four-level protective packaging system: Firstly, we use anti-static isolation film for surface protection; secondly, we use custom corner guards to reinforce the edges; then, we use waterproof and moisture-proof outer packaging; finally, we select specialized packaging boxes based on the transportation method. For products with a high-gloss surface, we also provide dust-free workshop packaging services to ensure the products remain intact.
Q3: What is the minimum order quantity? Is small batch customization supported?
A: We offer flexible ordering options. For regular products, the minimum order quantity is 1 ton. For special specifications, a minimum order of 500 kilograms is supported. For small batch requirements during the research and development stage, we have a rapid sample channel, and the minimum custom service we can provide is 100 kilograms.
Q4: Can you provide material certification certificates?
A: We can offer complete qualification documents including material certificates, third-party test reports, DNV-GL classification society certification, etc. We also support third-party inspections by SGS, BV, etc. to ensure that the products comply with relevant international standards.
Q5: How long does the regular delivery period take?
A: Standard-sized products are well stocked, and they can be shipped within 7 working days after placing an order. Custom-sized products, depending on the complexity of the process, usually take 10-15 working days. We have an expedited channel where urgent orders can be prioritized for production.
