Common size on stock, Special sizes needs new production.Can cut to Size, Cut to Shape.
EMERSONMETAL
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Heat-facing stainless option: 309S is typically selected when elevated temperature exposure makes standard stainless a risky compromise
Supply + fabrication in one workflow: material supply with laser cutting so your shop spends less time squaring blanks and fixing profiles
Thickness coverage: 0.5–300 mm for sheet/plate supply options
Order flexibility: common sizes may be available; special sizes require new production; cut-to-size and cut-to-shape supported
309S mechanical values listed: Tensile ≥515 MPa, Yield ≥205 MPa, Elongation ≥40%
Typical applications listed: high-temperature equipment, petroleum refining, power generation, waste treatment, food processing
High-temperature projects fail in ordinary places: a bracket that doesn’t line up, an edge that tears insulation, a panel that warps enough to break a seal. Buyers sourcing for furnace-side components, hot ducts, or thermal equipment are not purchasing “stainless sheet” in the abstract. They are purchasing predictability—parts that arrive flat, consistent, and ready to assemble.
Our 309S stainless steel plate and sheet with custom laser cutting is built for that reality. The surface has the clean metallic brightness people expect from stainless, and under shop lights it makes imperfections easy to catch before they become installation issues. When you need a more controlled visual result, finishes like 2B or polished options such as #8 mirror can be specified so the part looks intentional in customer-facing equipment. The real advantage, however, is operational: you can source the base material and the cut geometry from one supply path, reducing the handoffs that typically create tolerance drift and schedule loss.
For procurement teams, this means fewer vendors and less quoting friction. For fabrication teams, it means fewer hours on re-cutting and edge cleanup, and a faster move from incoming inspection to welding, forming, or final assembly.
Cuts rework out of your schedule: laser-cut blanks and profiles reduce manual layout time and minimize scrap from rework
Built for heat-exposed environments: 309S is positioned for high-temperature equipment and related industries where oxidation and thermal cycling are real constraints
Consistent edge geometry for assemblies: repeatable holes, slots, and profiles help parts fit the same way across batches
Supports prototype-to-production scaling: validate the first article, then repeat with stable parameters
Spec-driven supply: you define thickness, finish, edge condition, and tolerance strategy based on whether the part is structural, sealing-critical, or cosmetic
309S is widely used as a heat-resisting stainless option when components will see elevated temperature exposure in service. Buyers often choose it for internal shields, furnace-side panels, heat baffles, and parts where losing integrity over time is more expensive than selecting the right grade upfront. The value is not theoretical: better material selection can reduce unexpected distortion, scaling, and premature replacement, which protects uptime in plants and reduces maintenance cycles.
At the same time, real projects are mixed-grade. Your hot-zone parts may be 309S, while outer covers or corrosion-driven zones may use other grades. That’s why the current product page lists broader availability across stainless families (including 201/202/301/304/310S/316L/321/430/440C/904L/duplex and others). From a purchasing standpoint, this supports consolidation—fewer suppliers, fewer packaging standards, and fewer documentation styles to manage. From a production standpoint, it reduces the chance of mismatched material across assemblies because the same supplier can align labeling, batching, and traceability practices across multiple grades in one shipment.
One-stop supply path: stainless material + laser cutting reduces vendor coordination and schedule friction
Drawing-based execution: we work from your 2D/3D files and confirm manufacturability early to avoid late surprises
Prototype-to-production discipline: validate a first article, then scale with stable parameters for repeatability
Packaging that protects value: surface protection and edge guarding help parts arrive usable, not “scratched in transit”
B2B mindset: clear labeling, batch separation, and spec-focused communication so receiving inspection is faster and repeat orders are consistent
We can supply all grades stainless steel sheets and stainless steel plate, 201, 202, 301. 304, 310s, 316L, 321, 430, 440C, 904L, 2205, 2207, 1CR13, 2CR13, 3CR13, 4CR13, and other grades materials, so many grades, and all sizes can be produced, 0.5mm to 300mm thickness all can be produced, special sizes can be produced. Except the raw materials,We are factory professional on making metal steel fabrication, we can make different types machine parts, we have laser cutting machine, bending machine, sawing cutting machine, welding machines, taping machine, polishing machine. We can all customized parts based on the drawings and designs.
309S Grade Chemical Composition and Technical Property is as below：
Standard | C % max | Si max | Mn max | P max | S max | tensile strength（MPa） | yield strength（MPa） | Elongation% |
309S | 0.08 | 1 | 2 | 0.045 | 0.03 | ≥515 | ≥205 | ≥40 |
The Specific Areas of Application of 309S are below：
High Temperature Equipment: for annealing lids, annealing boxes, burner grates, etc.
Petroleum Refining: for catalytic recovery systems, restorers, etc.
Power Generation Equipment: for pulverised coal burners, pipe hangers, etc.
Waste Treatment: for incinerators, rotary kilns, calciners, etc.
Food Processing: Due to its non-toxicity, corrosion resistance and ease of cleaning, it is widely used in the manufacture of food processing equipment and storage containers.
1) What files should I send for quoting cut-to-shape parts?
Send DXF/DWG for 2D profiles or STEP/STP for 3D context, plus a PDF with critical dimensions and tolerances. If you only have a PDF sketch, include clear dimensions and hole notes.
2) Can you do cut-to-size blanks and cut-to-shape profiles in the same order?
Yes. Many buyers mix blanks for forming/welding with finished profiles for assemblies to reduce internal shop load.
3) What thickness range is available for 309S sheet/plate supply?
The current product page states 0.5–300 mm thickness can be produced, with common sizes potentially in stock and special sizes produced as needed.
4) How do I choose the right finish?
2B is a bright industrial standard; 2D is more matte; #8 mirror is highly reflective for show surfaces. If appearance matters, specify protective film and identify the show side.
5) Is 309S suitable for high-temperature equipment parts?
309S is commonly selected for heat-facing applications, and the current page lists multiple high-temperature industry categories. Share your environment details so the grade and fabrication plan match your service reality.
6) Can you support additional fabrication beyond laser cutting?
If you need bending, welding, tapping, or finishing, include it in your inquiry so we can quote a true ready-to-assemble solution instead of only cut blanks.
