Good fit
Choose 304L plate when welding, fabrication approval or project wording requires low carbon stainless steel.
304L Low Carbon Plate
304L Stainless Steel Plate
304L Stainless Steel Plate
Supplier
FX Stainless Steel helps buyers review 304L stainless steel plate and sheet for welded fabrication, tanks, food equipment, equipment panels and projects where low-carbon wording must appear on the final MTC. Send ASTM A240 304L, SUS304L, EN 1.4307 or dual-certified wording together with thickness, surface, size, quantity and destination before quotation.
304L / SUS304L
Common grade names
ASTM A240
Common flat product standard
Low Carbon
Main buyer reason
MTC Carbon Check
Document review
Quick Answer
When should buyers choose 304L stainless steel plate?
Not always needed
For non-welded indoor panels or general fabrication, ordinary 304 plate may already be practical if the drawing accepts it.
Document check
Confirm carbon value, grade wording, heat number and whether 304/304L dual certification is accepted before shipment.
Buyer Fit
304L plate is a document and welding decision, not just a better 304
Many buyers ask for 304L because the fabricated part will be welded, because the end user requires low-carbon material, or because the MTC must show 304L wording. If the job is not welded and the drawing only names 304, the right decision may be to compare 304 and 304L before paying for material the project does not need.
Start from the drawing
Check whether the drawing names 304L, SUS304L, EN 1.4307, UNS S30403 or allows 304/304L dual-certified material.
Check the MTC
The certificate should support the ordered grade wording, carbon route, heat number and product description.
Keep the scope clear
Thickness, surface, cut-to-size requirement, packing and destination still decide whether a quotation is usable.
Specification Reference
304L stainless steel plate supply reference
| Item | Common Review | Buyer Note |
|---|---|---|
| Grade names | 304L / SUS304L / EN 1.4307 / UNS S30403 | Use the exact drawing or PO wording when MTC and labels must match |
| Standards | ASTM A240 / ASME SA240 / JIS G4304 / EN 10088 / GB/T review | ASTM A240 304L plate wording should be confirmed before shipment when required |
| Carbon route | Low-carbon 304L or 304/304L dual-certified batch review | Do not assume every 304 batch can be documented as 304L |
| Thickness and surface | Cold rolled sheet and hot rolled plate review, 2B / No.1 / No.4 / HL | Availability depends on thickness, surface route, cutting plan and current material condition |
| Documents | MTC / carbon value / heat number / labels / packing list | Important for welded fabrication approval, import review and receiving inspection |
Useful Tool
Open Plate Calculator
Calculate 304L plate or sheet theoretical weight
Check estimated plate weight by grade, thickness, width, length and quantity before quotation.
Applications
Common purchasing scenarios for 304L plate
Welded fabrication parts
304L plate is often reviewed for welded assemblies, brackets, covers and fabricated structures where low-carbon wording matters.
Welded partsFabrication
Tanks and clean equipment
Buyers may choose 304L for tanks, food equipment and clean fabrication when welding and document approval are part of the project.
TanksFood equipment
Projects requiring 304L on documents
Some end users accept only 304L, SUS304L, EN 1.4307 or UNS S30403 wording on the MTC, labels and packing documents.
MTC reviewProject approval
304/304L dual-certified supply
Dual-certified material can be useful when the project accepts both routes, but the actual batch certificate must be checked before order release.
Dual certifiedHeat number
Inquiry Paths
How to describe a 304L plate inquiry
Use this table to reduce back-and-forth before quotation. It is not a fixed stock promise because availability depends on thickness, size, surface, cutting and quantity.
| Inquiry Path | Typical Wording | Common Surface | Typical Use | Buyer Note |
|---|---|---|---|---|
| 304L stainless steel plate | Heavier plate, full plate or cut-to-size | No.1 / industrial finish | Welded fabrication, tanks, equipment bases | Confirm whether low-carbon wording must appear on the MTC |
| 304L stainless steel sheet | Thin sheet, standard size or cut sheet | 2B / No.4 / BA | Panels, covers, food equipment | Confirm protective film, surface direction and packing when appearance matters |
| ASTM A240 304L plate | Formal ASTM order wording | As required by order | Projects needing clear standard wording | PO, MTC, labels and packing list should use consistent grade naming |
| 304/304L dual certified plate | Batch documented against both grade routes | As required by order | Projects accepting either 304 or 304L wording | Check the actual certificate; do not rely on a sales label |
Inquiry Template
A clear 304L inquiry should state why 304L is required
A workable inquiry can be written like this: ASTM A240 304L stainless steel plate, 6 mm x 1500 mm x 3000 mm, No.1 surface, 5 tons, MTC required, for welded tank fabrication, destination Thailand. Please confirm carbon value, heat number traceability, packing method and whether 304/304L dual certification is acceptable.
Material wording
State 304L, SUS304L, UNS S30403, EN 1.4307 or whether 304/304L dual certification is accepted.
Size and surface
Send thickness, width, length, surface finish, protective film and cut-to-size requirement.
Project details
Add welding condition, quantity, destination port, MTC requirement, packing request and target delivery timing.
Related Pages
Continue with plate, grade and quote tools
Stainless Steel Plate
Review the broader plate product range, common grades, surface finishes and processing support.
304 Stainless Steel Plate & Sheet
Compare ordinary 304 when the project is general fabrication and does not require low-carbon wording.
316 Stainless Steel Plate
Review 316 and 316L plate when chloride exposure, coastal service or chemicals drive the material choice.
Stainless Steel Plate Weight Calculator
Estimate theoretical weight before sending thickness, width, length and quantity.
Contact FX Stainless Steel
Send grade wording, size, quantity, destination and MTC requirements for quotation review.
FAQ
304L stainless steel plate FAQ
When should I choose 304L stainless steel plate instead of 304?
Choose 304L stainless steel plate when welding, low-carbon wording or project approval requires it. If the part is not welded and the drawing accepts 304, ordinary 304 plate may already be enough.
What is the main difference between 304 and 304L plate?
The key difference is the lower carbon route of 304L. Buyers should confirm the carbon value and grade wording on the MTC instead of relying only on the quotation title.
Can 304/304L dual-certified plate be supplied?
Dual-certified plate can be reviewed when the actual batch certificate supports both grade routes. Do not assume every 304 plate batch can be supplied as dual certified.
What standard is common for 304L stainless steel plate?
ASTM A240 / ASME SA240 is common for stainless steel plate, sheet and strip. Buyers may also request SUS304L, EN 1.4307, UNS S30403 or other accepted wording.
What should I check on the MTC for 304L plate?
Check grade wording, carbon value, heat number, standard reference, product description, thickness and whether labels and packing documents match the ordered material.
Send grade wording and welding requirement for your 304L plate inquiry.
Share whether you need ASTM A240 304L, SUS304L, EN 1.4307 or dual-certified wording, plus thickness, width, length, surface finish, quantity, destination port and MTC requirement.
Contact Sales Team