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Products/Stainless Steel/SS304 / SS304L

SS304 / SS304L Stainless Steel Round Bar

Austenitic Chromium-Nickel Stainless Steel (18/8 Standard & Low-Carbon Dual-Certified Grade)

Standard
ASTM A276 / ASTM A240 / EN 10088-1 / AISI 304 / AISI 304L
Werkstoff / UNS
Werkstoff: 1.4301 / 1.4306 / 1.4307UNS: S30400 / S30403
Common Equivalents
1.4301
Overview

About SS304 / SS304L Stainless Steel

C P Steel Suppliers supplies SS304 / SS304L Stainless Steel for engineering, industrial machinery and manufacturing applications. It is classified as Austenitic Chromium-Nickel Stainless Steel (18/8 Standard & Low-Carbon Dual-Certified Grade). Common equivalents include 1.4301. Available forms include ROUND BAR, FLAT BARS, SHEET, PLATE, COIL, RINGS.

Contact our Mumbai team with your required size and quantity to confirm availability, documentation and delivery.

SS304 / SS304L Round Bar Suppliers, SS304 / SS304L Stockist, SS304 / SS304L Big Dia, SS304 / SS304L Cut to size as per requirement, SS304 / SS304L vs 1.4301, SS304 / SS304L Flat Bar, SS304 / SS304L Small Quantity, SS304 / SS304L Larger Dia, SS304 / SS304L Circle, Ring. SS304 / SS304L Mumbai, Chennai, Tamil Nadu, Gujarat, Pune, Maharashtra, India etc.

Specification

Chemical Composition

ElementComposition (wt%)
CCarbon
max 0.07 (SS304 / 1.4301) / max 0.030 (SS304L / 1.4307)%
SiSilicon
max 1.00%
MnManganese
max 2.00%
PPhosphorus
max 0.045%
SSulfur
max 0.015 (Bar max 0.030)%
CrChromium
17.50 - 19.50%
NiNickel
8.00 - 10.50%
NNitrogen
max 0.11%
FeIron
Balance
Performance

Mechanical, Physical & Processing Properties

PropertyValue / Reading
Tensile Strength500 - 700 MPa (Solution Annealed +AT)
Yield Strengthmin 190 - 210 MPa (Rp0.2 Solution Annealed)
Elongationmin 40 - 45 %
Hardness Brinellmax 215 HBW
PropertyValue / Reading
Density7.90 - 8.00 g/cm3
Melting Point1400 - 1450 deg C
Modulus Of Elasticity193 - 200 GPa
Thermal Conductivity15.0 - 16.2 W/(m.K)
PropertyValue / Reading
WeldabilityExcellent by all fusion and resistance methods; SS304L prevents intergranular carbide precipitation in heavy welded sections.
MachinabilityModerate (approx. 45% of AISI 1212); work-hardens rapidly, requiring sharp positive-rake tooling and rigid setup.
Case HardeningNon-hardenable by thermal heat treatment; strength and hardness are increased only through cold working.
Corrosion ResistanceExcellent resistance to atmospheric exposure, food processing environments, oxidizing acids, and organic chemicals.
Cross Reference

Equivalent Grades by Standard

Standard / RegionEquivalent Grade
Indian IS04Cr18Ni10 / 02Cr18Ni11 (IS 6911 / IS 6603)
European ENX5CrNi18-10 (1.4301) / X2CrNi18-9 (1.4307) (EN 10088)
Germany DINX5CrNi18-10 / 1.4301
Japan JISSUS304 / SUS304L (JIS G4303 / G4304)
UK (BS)304S31 / 304S15 / 304S11 (BS 970)
USA (SAE / AISI)AISI 304 / AISI 304L (UNS S30400 / S30403)
Availability

Available Forms & Sizes

  • ROUND BAR
  • FLAT BARS
  • SHEET
  • PLATE
  • COIL
  • RINGS
FAQ

SS304 / SS304L — frequently asked questions

What is the equivalent of SS304 / SS304L?
Common equivalents include 1.4301. Standards: Indian IS: 04Cr18Ni10 / 02Cr18Ni11 (IS 6911 / IS 6603); European EN: X5CrNi18-10 (1.4301) / X2CrNi18-9 (1.4307) (EN 10088); Germany DIN: X5CrNi18-10 / 1.4301; Japan JIS: SUS304 / SUS304L (JIS G4303 / G4304); UK (BS): 304S31 / 304S15 / 304S11 (BS 970); USA (SAE / AISI): AISI 304 / AISI 304L (UNS S30400 / S30403).
Which forms of SS304 / SS304L are available?
SS304 / SS304L is available as ROUND BAR, FLAT BARS, SHEET, PLATE, COIL, RINGS.
Where can I buy SS304 / SS304L Stainless Steel in Mumbai or across India?
C P Steel Suppliers supplies SS304 / SS304L Stainless Steel from Mumbai. Contact us with your size and quantity to confirm availability and delivery.

Interested in Stainless Steel SS304 / SS304L?

Tell us the size and quantity you need and we will get back to you.

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