304L stainless steel plate supplied as coil-cut or quarto material, with the required grade certification, delivered dimensions, surface condition and inspection criteria agreed for the selected manufacturing and supply route.
DIMENSIONS & DELIVERY
304L Plate supply range
Choose the production route that matches your order. The quotation confirms the grade, thickness, width, surface and delivery combination.
2000 / 2438 / 3000 / 3048 / 4000 / 6000 mm; other cut lengths to order
Mill surface
No.1 / 1D
Sheye surface processing
No.4 / HL / No.3 / SB / 6K / 8K; special finishes by agreement
Specification routes
GB/T 4237 · GB/T 24511 · GB/T 713, 2023 series (applicable part to be agreed) · ASTM / ASME (specification to be agreed) · EN (standard and part to be agreed) · JIS G4304 · IS 6911:2017
State the exact standard number, applicable part, edition and grade in your enquiry. The quotation and mill test certificate identify the agreed specification; a reference list does not certify every combination.
Quarto plate
Quarto plate supply specifications
Thickness
6–150 mm
Maximum width
4200 mm
Regular stock thickness
16–50 mm
Length
Length and cutting layout to be confirmed with the quotation
Mill surface
No.1 / 1D
Specification routes
GB/T 4237 · GB/T 24511 · ASTM / ASME (specification to be agreed) · EN (standard and part to be agreed) · JIS G4304 · IS 6911:2017 · GB/T 713, 2023 series (applicable part to be agreed)
State the exact standard number, applicable part, edition and grade in your enquiry. The quotation and mill test certificate identify the agreed specification; a reference list does not certify every combination.
16–50 mm is the regular stock thickness range. Current grade, width, quantity and dispatch availability are confirmed at quotation.
Mill surface codes and decorative finish names are confirmed against the agreed description or sample. Additional processing depends on the grade, thickness and required finish.
PRODUCT DETAILS
Specify 304L Stainless Steel Plate for your process
Identify the grade and plate route
Sheye Metal offers 304L stainless steel plate as material cut from hot-rolled coil or as quarto plate. Keep the 304L requirement explicit in the inquiry and identify the complete product standard and edition. If the project specifies a production route, include that provision before the material and dimensions are quoted.
Prepare the delivered plate schedule
List thickness, width, length and quantity for each item, distinguishing delivered plate dimensions from finished component dimensions. The two routes have separate supply ranges and use a NO.1 or 1D surface basis. Any cutting allowance, further finishing for coil-cut material or surface protection requirement should be stated with the relevant order item.
Review fabrication and inspection
Describe downstream fabrication where it affects the required edges, flatness or surface acceptance. Include dimensional tolerances, material marking and the inspection certificate needed at receipt. Supplementary tests and packaging requirements should be agreed during quotation. Confirm each grade, route and dimension combination before ordering, with documentation aligned to the plate actually supplied.
PRACTICAL BUYING QUESTIONS
304L plate: multipass welding and design questions
Why is 304L often considered for multipass welded plate?
Repeated thermal cycles and substantial sections can increase the time spent in conditions where sensitization develops. Low carbon delays chromium-carbide formation, giving 304L an advantage where intergranular-corrosion resistance matters and the complete assembly cannot be solution annealed. This is a process-related benefit rather than a promise that all welded plate is immune to corrosion. The welding procedure, post-fabrication condition and service medium still determine the requirements, including any specified corrosion testing.
Can 304L plate replace 304 or 304H on an equipment drawing?
Only after the required technical review and acceptance. 304L can have different specified strength minima from 304, and it should not inherit the high-temperature design properties of 304H. The certificate must identify the supplied grade and any genuine dual certification. Review the drawing, applicable material and design standards, welding procedure and inspection requirements together. An attractive analysis or test result does not give a distributor permission to change the equipment material designation.
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