Annealed Hot Rolled Stainless Steel Plate
Material Grade:316L
Thickness:1 In (25.4 Mm)
Length:8 Ft (2438.4 Mm)
Width:36 In (914.4 Mm)
Surface Finish:No.1 / Pickled
Application:Heavy-duty Fabrication, Chemical Processing, Marine Equipment Etc.
Products Description
316L hot-rolled stainless steel plate is a molybdenum-containing austenitic stainless steel that offers superior corrosion resistance to 304 stainless steel and has good weldability. The addition of molybdenum significantly enhances 316L stainless steel's resistance to pitting and chloride corrosion, making it suitable for applications requiring durable and reliable materials. 316L stainless steel plates are widely used in the petrochemical and environmental protection industries for industrial equipment such as towers, tanks, vessels, and piping.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | 316L Hot Rolled Stainless Steel Plate |
| Grade | 316L |
| UNS | S31603 |
| EN Material No. | 1.4404 |
| Product Form | Stainless Steel Plate |
| Manufacturing Process | Hot Rolled |
| Thickness | 1 In (25.4 mm) |
| Width | 36 In (914.4 mm) |
| Length | 8 Ft (2438.4 mm) |
| Nominal Size | 36 In × 8 Ft (W × L) |
| Condition | Annealed |
| Typical Surface | No.1 / Pickled |
| Material Type | Austenitic Stainless Steel |
| Standard | ASTM A240 |
| Cutting | Cut-to-Size Available |
Product Features
01
Corrosion Resistance
Superior to 304 stainless steel, with particularly outstanding performance in marine environments, chemical processing, papermaking, and environments containing chloride ions.
02
High-Temperature Resistance
Exhibits good oxidation resistance during intermittent use below 1600°C and continuous use below 700°C; its low-carbon design reduces carbide precipitation at high temperatures.
03
Weldability
316L can be welded using all standard welding methods and retains its corrosion resistance without requiring post-weld annealing.
04
Mechanical Properties
Hot-rolled sheets offer high strength and good work hardenability; they are non-magnetic in the solution-treated condition but exhibit weak magnetism after processing.
Chemical Composition
Typical chemical composition of 316L stainless steel:
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.030 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 16.0–18.0 |
| Nickel (Ni) | 10.0–14.0 |
| Molybdenum (Mo) | 2.0–3.0 |
| Iron (Fe) | Balance |
Mechanical Properties
Typical mechanical requirements for 316L stainless steel include:
| Property | Typical Value/Requirement |
|---|---|
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Elongation | ≥ 40% |
| Density | Approx. 8.0 g/cm³ |
| Elastic Modulus | Approx. 193 GPa |
| Hardness | According to applicable specification |
Hot Rolled & Annealed Condition
The production process generally includes:
Steelmaking → AOD Refining → Continuous Casting → Slab Heating → Hot Rolling → Annealing → Pickling → Straightening → Cutting → Inspection
Hot Rolled
Hot rolling is suitable for producing relatively thick stainless steel plates. It provides an efficient manufacturing route for heavy-gauge products such as the 1-inch-thick 316L plate.
Annealed
Annealing is performed to restore ductility and achieve the required metallurgical condition after rolling. It helps improve the material's formability and overall stability.
No.1 Surface
Hot rolled stainless steel plate is commonly supplied with a No.1 finish, typically produced through hot rolling followed by heat treatment and descaling/pickling. The surface is generally matte and less reflective than cold-rolled 2B or BA finishes.
316L vs 304 Stainless Steel
| Property | 316L | 304 |
|---|---|---|
| Type | Austenitic | Austenitic |
| UNS | S31603 | S30400 |
| Chromium | 16–18% | 18–20% |
| Nickel | 10–14% | 8–10.5% |
| Molybdenum | 2–3% | No intentional Mo addition |
| Corrosion Resistance | Excellent | Very Good |
| Pitting Resistance | Better | Lower |
| Weldability | Excellent | Excellent |
| Carbon | ≤0.030% | ≤0.070% |
| Typical Cost | Higher | Lower |
| Marine Applications | Excellent choice | Limited depending on environment |
316L is generally preferred when improved chloride, pitting, and crevice corrosion resistance is required.
Dimensional Information
The nominal dimensions of this product are:
Thickness
1 In = 25.4 mm
Width
36 In = 914.4 mm
Length
8 Ft = 96 In = 2438.4 mm
Nominal Size
36 In × 8 Ft (W × L)
1 In × 36 In × 8 Ft 316L Stainless Steel Plate
or:
25.4 mm × 914.4 mm × 2438.4 mm 316L Stainless Steel Plate
Customization Services
Although the standard product size is 1 In × 36 In × 8 Ft, we can provide customized stainless steel plate according to project requirements.
Dimensional Customization
Custom thickness
Custom width
Custom length
Cut-to-size
Cutting Methods
Laser cutting
Plasma cutting
Waterjet cutting
Processing Services
CNC machining
Edge preparation
Surface treatment
Quality & Inspection
Additional testing
Third-party inspection
FAQ
What is the size of this 316L stainless steel plate?
The nominal size is 36 inches wide × 8 feet long, equivalent to approximately 914.4 mm × 2438.4 mm.
What is the thickness?
The plate is 1 inch thick, equivalent to 25.4 mm.
Is this 316L plate hot rolled?
Yes. This product is specified as a hot rolled 316L stainless steel plate and is supplied in an annealed condition.
What does annealed mean?
Annealed means the stainless steel has undergone controlled heat treatment designed to restore ductility and achieve the required metallurgical condition after processing.
What is the typical surface finish?
A hot rolled 316L stainless steel plate is commonly supplied with a No.1/pickled surface, depending on the specified delivery condition.
Is 316L better than 304 stainless steel?
316L generally offers better resistance to chloride-induced pitting and crevice corrosion because it contains molybdenum. The appropriate grade depends on the service environment and design requirements.
Is 316L stainless steel magnetic?
Annealed 316L is generally non-magnetic. However, cold working can produce some magnetic response.
Can 1-inch-thick 316L plate be welded?
Yes. 316L has excellent weldability. For heavy plate, the welding procedure should be selected according to thickness, joint design, service conditions, and applicable codes.
Can you cut the 36 in × 8 ft plate to size?
Yes. Cut-to-size and other processing services can be provided according to customer drawings and requirements.
Do you provide ASTM A240 certification?
When the product is supplied to ASTM A240 requirements, the applicable MTC and inspection documentation can be provided. Third-party inspection can also be arranged when required.
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