Stainless Steel 304H Heat Exchanger Tubes Manufacturer, ASTM A213 Stainless Steel 304H Heat Exchanger Tubes Suppliers, SS 304H Heat Exchanger Tubes Manufacturer, Stainless Steel 304H Seamless Heat Exchanger Tubes Stockholder, 304H Heat Exchanger Tubes Exporter In India

Stainless Steel 304H Heat Exchanger Tubes

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Philips Metal Industries is the largest manufacturer, stockiest, exporter, and supplier of high quality stainless steel 304H heat exchanger tubes to their customers. Heat exchanger tubes made of stainless steel 304H have a number of important characteristics that make them ideal for high-temperature applications. The main quality of stainless steel 304H is its outstanding high-temperature strength, which enables it to endure high temperatures without suffering from severe deformation or losing structural integrity. This is especially important for heat exchanger applications since the tubes are subjected to high temperatures and thermal cycling.

A small quantity of chromium is present in stainless steel, which boosts the steel's resistant properties. Steel that contains molybdenum has improved strength and other characteristics. Because of its characteristics and ability to withstand harsh environments, 304H stainless steel is preferred over all other Stainless steel grades. High tensile strength, improved short creep characteristics, and superior heat resistance are all provided by the 304H grade. This is the rationale behind selecting this grade for heat exchanger tube construction as well.

Another distinction is the capacity to operate at high temperatures. Stainless steel 304H is intended for use in high-temperature conditions, typically up to 900-1150°C (1652-2102°F). This expanded temperature range exceeds the upper limit of standard stainless steel 304, which is normally approved for use up to 550-600°C (1022-1112°F). Thus, higher temperature heat exchanger applications are better suited for stainless steel 304H. The greater carbon content of stainless steel 304H can affect its welding properties. The higher carbon content of 304H might cause a more noticeable corrosion sensitization during welding, even if stainless steel 304 is easily weldable using standard techniques.

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Stainless Steel 304H Heat Exchanger Tubes Specification

Specifications ASTM, ASME, DIN EN, JIS ( JAPAN ), NF ( AFNOR )
Range 6.35 Mm OD to 273 Mm OD
Outer Diameter 9.52 mm O.D to 50.80 mm O.D
Thickness 0.7 mm to 3.68 mm
Schedules 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
Type Seamless Tubes, Welded Tubes
Length Up to 30mtr long
Finishing It can be supplied in mechanical polished with various grits like at 80, 120, 240, 320, 400, 600 grits and mirror polished.

Stainless Steel Fin Tube Heat Exchanger Dimension Chart

Wall thickness in mm. 0.5 0.6 0.7 0.8 1 1.2 1.6 2 2.6 3 3.2 3.6
O.D. in mm. Weight in kg/meter
6 0.069 0.081 0.093 0.104 0.125 0.144 0.176
9.52 0.112 0.134 0.154 0.174 0.213 0.249 0.317
10 0.119 0.141 0.163 0.184 0.225 0.264 0.336
12.7 0.153 0.182 0.21 0.238 0.293 0.345 0.444
14 0.169 0.201 0.233 0.264 0.325 0.384 0.496
15.87 0.192 0.229 0.266 0.301 0.372 0.44 0.571 0.694
19 0.231 0.276 0.32 0.364 0.45 0.534 0.696 0.85 1.066 1.2 1.264
25 0.306 0.366 0.425 0.484 0.6 0.714 0.936 1.15 1.456 1.65 1.744 1.926
25.4 0.311 0.372 0.432 0.492 0.61 0.726 0.952 1.17 1.482 1.68 1.776 1.962
31.8 0.918 1.208 1.49 1.898 2.16 2.288 2.538
38 1.104 1.456 1.8 2.301 2.625 2.784 3.096
44.5 1.299 1.716 2.125 2.724 3.113 3.304 3.681
50.8 1.488 1.968 2.44 3.133 3.585 3.808 4.248
63.5 2.476 3.075 3.959 4.538 4.824 5.391
76.1 2.98 3.705 4.778 5.483 5.832 6.525
101.6 4 4.98 6 7 7,872 8.82

Stainless Steel 304H Heat Exchanger Tubes Equivalent Grades

STANDARD UNS WNR. AFNOR EN JIS BS GOST
SS 304 S30400 1.4301 Z7CN18‐09 X5CrNi18-10 SUS 304 304S31 08Х18Н10
SS 304L S30403 1.4306/1.4307 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11 SUS 304L 304S11 03Х18Н11
SS 304H S30409 1.4301 - - - - -

Chemical Composition of Stainless Steel 304H Heat Exchanger Tubes

C Mn Si P S Cr Ni N
304 0.07max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 10.5
304L 0.03max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 12.0 0.10 max
304H min: 18.0
max:20.0
min: 8.0
max: 10.5
min: 0.04
max:0.10
0.75
max
2.0
max
0.045
max
0.03
max
0.10
max

Mechanical Properties Of Stainless Steel 304H Heat Exchanger Tubes

Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Brinell) MAX Hardness (Rockwell B) MAX
304 75 30 40 201 92
304L 70 25 40 201 92
304H 75 30 40 201 92

Physical Properties of Stainless Steel 304H Heat Exchanger Tubes

SS 304/304L
Density
lbm/in3
Thermal Conductivity
(BTU/h ft. °F)
Electrical
Resistivity
(in x 10-6)
Modulus of
Elasticity
(psi x 106
Coefficient of
Thermal Expansion
(in/in)/
°F x 10-6
Specific Heat
(BTU/lb/
°F)
Melting
Range
(°F)
at 68°F: 0.285 9.4 at 212°F 28.3 at 68°F 28 9.4 at 32 – 212°F 0.1200 at 68°F to 212°F 2500 to 2590
12.4 at 932 °F 39.4 at 752°F 10.2 at 32 – 1000°F
49.6 at 1652 °F 10.4 at 32 – 1500°F
SS 304H
Denstiy
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Thermal Conductivity BTU/hr-ft-°F Specific Heat BTU/lbm -°F Modules of Elasticity (annealed)2-psi
at 68 °F at 68 – 212°F at 68 – 1600°F at 212°F at 932°F at 32 – 212°F in tension (E)
0.285 9.2 11.0 9.4 12.4 0.12 29 x 106

Types Of Stainless Steel 304H Heat Exchanger Tubes

Stainless Steel 304H Heat Exchanger Tubes Stainless Steel 304H Seamless Heat Exchanger Tubes
SS 304H Heat Exchanger Tubes SS 304H Seamless Heat Exchanger Tubes
304H Heat Exchanger Tubes ASME SS 304H Heat Exchanger Tubes
Steel 304H Heat Exchanger Tubes DIN Stainless Steel 304H Heat Exchanger Tubes
ASTM A 213 Stainless Steel 304H Heat Exchanger Tubes ASTM A 269 SS 304H Seamless Heat Exchanger Tubes

Stainless Steel 304H Heat Exchanger Tubes Application Industries

  • Petrochemical Industry
  • Oil and Gas Industry
  • Chemical Industry
  • Power Plant Industry
  • Energy Industry
  • Pharmaceuticals Industry
  • Pulp & Paper Indusry
  • Food Processing Industry
  • Aerospace Industry
  • Refining Industry

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