ASTM A666 type 304l plate

Table of Content

What is ASTM A666 type 304L sheet?

These durable, resilient products work in pressure vessels and steep temperatures. An ASTM A666 type 304L plate is produced from austenitic stainless steel (classic 18-8 chromium and nickel), the “L” denoting the minor proportion (“low”) of carbon. This specification covers the annealed condition, i.e., softer and more workable metal.

Manufacturers adhering to this specification for an ASTM A666 type 304L sheet can guarantee quality consistency. It helps clients adapt to international industrial standards without incompatibilities.

SA666 304l sheet & ASTM A666 grade 304l clad plate supplier in India

What are the top 6 benifits of ASTM A666 grade 304l clad plate?

These plates benefit from the absence of carbon precipitation (due to the low carbon percentage of 0.03%). An ASTM A666 grade 304l clad plate has other merits:

  • High strength
  • Endurance to steep temperatures
  • An SA666 304l sheet with cladding can tolerate heat and limit corrosion
  • More economical than plates made fully of the cladding/clad material
  • Long service life
  • Weight advantage

We are a trusted and certified manufacturer of ASME SA666 304l shim stock in Mumbai. Check the specification of the A666 grade 304l flat sheet

How thick is ASTM A666 type 304l annealed steel and cold-worked plate?

Manufacturers perform annealing on cold-worked SA 666 304L rolling sheets to eradicate internal stresses. The usual thickness for cold-worked sheets is 0.4 to 12mm.

However, the thickness of annealed ASME SA666 304l shim stock is lower. During this process, the material becomes ductile and orderly. This shrinkage of defects reduces the thickness of SA 666 Type 304L shim stock.

ASTM A666 grade 304l rolling plate used in a pressure vessel and heat resisting applications

ASTM A666 type 304l plate specification

Grade Other trade name & equivalent Length
300 Series, 304l
  • ASTM A666 304l
  • ASME SA666 304l
  • UNS S30403
3000 mm to 6000 mm or Cut to size
Origin Tolerance of A666 304l Sheet Delivery Time
Indian, Korean, USA, European ±1% 2-3 days
Testing methods done Shape Application of A666 304l plate
  • Hardness test
  • PMI test
  • Tensile test
  • Third party inspection
  • Fatigue mechanics test
  • Impact test
Plate/sheet/coil
  • Transportation
  • Textiles
  • Industrial used
  • Kitchen equipment
  • Aerospace industry
Available Width in stock Available Thickness in stock Brand Name
1500 milimeter to 1800 milimeter/ as required 1 milimeter – 80 milimeter Imported, Jindal, Inox, POSCO
Surface finish Tensile strength Technique
  • RA (Roughness average)
  • Sanitary finish
  • BA(Bright annealed)
  • 1D, 2D, NO.4, NO.1 finish
  • HL (Hairline finish)
70000 psi HR and CR
Edge Properties Packing
Slit and mill edge
  • Good corrosion resistance
  • Excellent toughness properties
  • Box skid
  • Flat skid
  • Shear box
  • Ocean skid solid bottom
  • Standard sea worthy packing
Standard Sample MTC
  • Guojia biaozhun(GB)
  • European standards (EN)
  • ASTM/ ASME (American)
  • Japanese industrial standards (JIS)
  • German standard (DIN)
Provide free sample According to EN 10204 3.1/3.2

ASTM A666 grade 304 clad plate make stock available

  • Sail
  • Dixin
  • INOX
  • Imported
  • Bahrain
  • Jindal
  • POSCO
Buy SA 666 grade 304l hot rolled plate with controlled bend test and tension test at an affordable price

Types of A666 type 304l strip

ASTM A666 gr 304l cold rolled plate has high tensile strength, hardness properties

ASME SA666 304l shim stock chemical composition

Grade UNS Manganese Phosphorus Carbon Silicon Sulfur Nickel Chromium Other Elements
A666 304L S30403 2 0.045 0.03 0.75 0.03 8.0–12.0 18.0–20.0 N 0.10

A666 gr 304l strip mechanical composition

Grade UNS Tensile Strength, min Elongation in 2 in. or 50 mm, min, % Yield Strength, min Hardness, max
psi MPa psi MPa Brinell Rockwell B
A666 304L S30403 70000 485 40 25000 170 201 92

ASTM A666 grade 304l sheet finish

  • Rough finish
  • Brushed finish
  • Electroplating
  • Smooth finish
  • Anodizing
  • Powder Coating
  • Mirror finish
  • Polish
  • 2B finish
  • Matt finish

ASTM A666 grade 304l plate applications

  • Different structural application
  • Used in pressure vessel
  • Cryogenic
  • Magnetic application
  • Heat resisting uses
  • Ship building
  • Pharmaceutical sector
  • Chemical processing equipment
  • Power plant

ASTM A666 304l strip testing required

  • Tension test
  • V-block test
  • Controlled-bend test
  • NDT test
  • Free bend test
  • Ultrasonic test
  • Hardness test
  • Hydrostatic test

What are the manufacturing methods of ASTM A666 grade 304l rolling plate?

The conventional approaches are hot-rolling and cold-rolling. The former creates an ASTM A666 Gr 304L strip by heating to over the recrystallization temperature, at which deformed grains get replaced and reordered.

Cold rolling does not use heat, relying on compression or a mandrel (a tapered tool), followed by annealing for more workability and ductility.

Which cutting process is used for SA 666 grade 304l hot rolled plate?

These plates support cutting via plasma, laser, and water jet. An SA 666 grade 304l hot rolled plate can also get machined with a plate saw or by shearing and levelling.

Which testing methods are mostly used for ASTM A666 gr 304l cold rolled plate?

Testing for an ASTM A666 gr 304l cold rolled plate includes tension and bending tests (free and controlled). Assessing the hardness and tensile strength is crucial for an A666 304L SS perforated plate.

Manufacturers conduct a positive material identification test (PMI) and also test for intergranular corrosion (IGC). The results get reported in the Mill Test Certificate.