Stainless Steel 304H Seamless Pipes resists atmospheric corrosion, moderately oxidizing and reducing environments. Higher carbon content in Stainless Steel 304H Welded Pipes gives the material greater heat resistant qualities. Stainless Steel 304H EFW Pipes doesn’t display magnetism, but is austenitic and corrosion resistant steel with excellent strength and fabrication characteristics. SS 304H ERW Pipes is heat-resistant alloy, by means of excellent bending and corrosion resistance. Stainless Steel 304H Round Pipes with its higher carbon content finds application at elevated temperatures. Additionally, the chloride ion concentration in Stainless Steel 304H Square Pipes need not be very high initially, if locations exist in which concentrations of salt can accumulate. SS 304H Rectangular Pipes has higher strength at elevated temperatures so is often used for structural and pressure-containing applications at temperatures above about 500 Degree C and up to about 800 Degree C. Stainless Steel 304H Electropolish Pipes has resistance to corrosion from oxidation and organic acids.
However, Stainless Steel 304H Hexagonal Pipes is subject to carbide precipitation in the heat affected zone (HAZ) of welds. SS 304H Pipes can be welded by all fusion and resistance welding processes. 304H Stainless Steel Pipes is non-magnetic in the annealed condition. Stainless Steel 304H Bush Hex Pipes is recommended for use in ASME pressure vessels in working service above 525 ° C due to its heat resistant properties. Heavy welded sections in Alloy 304H Pipes may require post-weld annealing for maximum corrosion resistance.
Equivalent Grades for 304H Stainless Steel Pipe
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
BS | En | No | Name | ||||
304H | S30409 | 304S11 | 58E | 1.4948 | X5CrNi18-10 | 2332 | SUS 304H |
304H SS Welded Pipes Chemical Composition
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
304H | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.03 | 20.0 | 10.5 | – |
Stainless Steel 304H Seamless Pipe Mechanical Properties
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 |
Stainless Steel 304H Pipes Physical Properties
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
304H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
NOTE : OTHER SIZES AND GRADES ARE AVAILABLE UPON REQUEST
304H Seamless Pipes are available in different grades and standards. Some of the standard features these are made available in include
Specifications : ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358
Dimensions : ASTM, ASME and API
Size : 1/8″NB TO 30″NB IN
SS Pipes : 1/2″ NB – 16″ NB
SS ERW Pipes : 1/2″ NB – 24″ NB
SS EFW Pipes : 6″ NB – 100″ NB
Specialized in : Large Diameter Size
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form : Round, Square, Rectangular, Hydraulic Etc
Length : Single Random, Double Random & Cut Length
End : Plain End, Beveled End, Treaded
Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes
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Sizes of Stainless Steel 304H Pipes | ASTM A312 Heavily Cold Worked Austenitic Stainless Steel 304H Pipes | Stainless Steel 304H Pipe Chemical Composition | Steel 304H ERW Pipes | ASTM A312 Stainless Steel 304H Pipes | Stainless Steel 304H Pipes : SS 304H Pipes | Stainless Steel 304H Pipe Exporter | Stainless Steel 304H Hexagonal Pipe | SS 304H Seamless Pipe | Stainless Steel 304H Welded Pipes | Stainless Steel 304H Pipes Weight | Stainless Steel 304H Pipes Price | Stainless Steel 304H Pipes Sizes | SS 304H Square Pipes | Stainless Steel 304H Rectangular Pipes.
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