Manufacturer of Stainless Steel 304H Round Bars

Sort 304H is the high carbon form of 304 and 304L. T304H (high carbon) in an extensive variety of gages and wraps up. Sort 304H has a carbon content somewhere around .04% and .10% Grade 304H with its higher carbon content discovers application at hoisted temperatures. The austenitic structure additionally gives these evaluations superb strength, even down to cryogenic temperatures.

It is regular for accreditations of Grade 304H to be double affirmed as 304/304H when the material has a higher carbon content. These properties are indicated for ASTM A240/A240M. Comparative however not as a matter of course indistinguishable properties are indicated for different items, for example, channel and bar in their separate particulars.


Standard SS 304H
UNS S30409
GOST 08X18H10
BS 304S31
EN X5CrNi18-10

Table 1. Composition ranges for Stainless Steel 304H Round Bars

Grade C Mn Si P S Cr Mo Ni N
304H min.
-0.045 -
- 8.0

Table 2. Mechanical properties of Stainless Steel 304H Round Bars

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304H 515 205 40 92 201

Table 3. Physical properties of Stainless Steel 304H Round Bars

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
304H 8000 193 17.2 17.8 18.4 16.2 21.5 500 720

Table 4. Specification

Standard AISI304H (S30409)
Range 3.17mm to 350mm dia
Designation ASTM A276, ASME SA276
Finish Bright, Black, Polish, Export Bright
Thickness 4.0mm - 100mm
Type Bar, Bright Bar, Black Bars, Hex Bar, Square Bar, Rods, Polish Bar, Forged Bar, Round Bar
Length Random, Fix & Cut Length

Types Of Stainless Steel 304H Round Bars

   Stainless Steel 304H Rods
   Stainless Steel 304H Forged Round Bars
   Stainless Steel 304H Square Bars
   Stainless Steel 304H Threaded Bars
   Stainless Steel 304H Spring Steel Bars
   Stainless Steel 304H Black Bars
   AISI 304H Bars

   Stainless Steel 304H Bars
   Stainless Steel 304H Hexagon Bars
   Stainless Steel 304H Cold Drawn Bars
   Stainless Steel 304H Threaded Rods
   Stainless Steel 304H Hollow Bar
   Stainless Steel 304H Polish Bars
   AISI 304H Round Rod

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  •         47, 2st Carpenter Street
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  •         Mumbai – 400 004,
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