AISI 304H

AISI 304H

Unlike 304L, Type 304H has a higher carbon content making the steel more suitable for use in applications where elevated temperatures are present. It is an austenitic chromium-nickel steel alloy and the greater carbon content delivers an increased tensile and yield strength.

Chemical Composition


Element Content(%)
Manganese, Mn 2.00
Nickel, Ni 8.00/10.50
Chromium, Cr 18.00/20.00
Carbon, C 0.04/0.10
Silicon, Si 0.75
Molybdenum, Mo -
Sulfur, S 0.030
Phosphorus, P 0.045
Nitrogen, N 0.10

Mechanical Properties


Properties Metric
Proof Stress 205
Tensile Strength 515
Elongation 40
Hardness Max HB 201
Hardness Max HRB 92

Sheets / Plates

Production Route Hot Rolled, Cold Rolled
Material Standard AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, IS & Custom Chemistry
Size Width from 100mm to 3000mm ; Length from 500mm to 12000mm
Thickness 0.1mm to 400mm
Delivery Condition As Rolled, Annealed, Quenched and Tempered, Normalized
Surface Finish Plain, Brushed, Cladded

AISI 304H Applications

  1. Structures in Buildings, bridges, railway stations
  2. Fabrication of pipeline components & Industrial equipment
  3. Construction of automotive bodies, warehouses, shipping containers
  4. Commercial appliances, etc.