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Stainless Steel 304H Pipes & Tubes

Stainless Steel 304H Pipes & Tubes

We are the producer, exporter, and supplier of ASTM A312 TP 304H Stainless Steel Pipes & Tubes of the highest quality. We produce SS 304H Pipes & Tubes from premium raw materials. We offer a large selection of SS 304H Pipes and Tubes in Seamless, Welded, SAW, LSAW, and DSAW, among other forms. These stainless steel 304L pipes and tubes are available in a variety of dimensional specifications to meet the needs of the customers and are renowned for excellent tensile and material strength. Widely used in machinery and utensils for the production and handling of food, drinks, and dairy products are SS 304H Stainless Steel Pipes & Tubes.

Stainless Steel 304H Pipes & Tubes are another type of stainless steel piping and tubing, specifically made from grade 304H stainless steel. Here’s some information about the content of Stainless Steel 304H:

  1. Grade: Stainless Steel 304H is an austenitic stainless steel grade that is a high-carbon variation of the widely used 304 grade.

  2. Chemical Composition: The chemical composition of Stainless Steel 304H typically includes the following elements:

    • Chromium (Cr): 18-20%
    • Nickel (Ni): 8-10.5%
    • Carbon (C): 0.04-0.10%
    • Manganese (Mn): 2% maximum
    • Silicon (Si): 0.75% maximum
    • Phosphorus (P): 0.045% maximum
    • Sulfur (S): 0.03% maximum
  3. High Carbon Content: Stainless Steel 304H has a higher carbon content compared to 304L. The increased carbon content provides improved high-temperature strength and creep resistance.

  4. Heat Resistance: Stainless Steel 304H exhibits excellent resistance to high-temperature environments, making it suitable for applications involving elevated temperatures and thermal cycling.

  5. Corrosion Resistance: Similar to 304L, Stainless Steel 304H also offers good corrosion resistance against a wide range of corrosive media, including oxidizing and reducing acids.

  6. Applications: Stainless Steel 304H Pipes & Tubes are commonly used in applications where high-temperature strength and corrosion resistance are required. Some typical applications include:

    • Heat exchangers
    • Boiler tubes
    • Refinery equipment
    • Power generation industries
    • Furnace parts and components
    • Chemical processing equipment
  7. Physical Properties: The physical properties of Stainless Steel 304H are similar to other austenitic stainless steels, including a density of 8.0 g/cm³, a melting point of 1400-1450°C, and a specific heat capacity of 500 J/kg·K.

    It’s important to note that specific properties or requirements may vary depending on the manufacturer or specific product, so it’s always recommended to consult the manufacturer’s specifications for detailed information on Stainless Steel 304H Pipes & Tubes.

"What are the Frequently Asked Questions Regarding Alloy 304/304H Stainless Steel Pipes and Tubes?"

What is the difference between 304 and 304H?

The main difference between 304 and 304H stainless steel lies in their carbon content. 304 contains a maximum of 0.08% carbon, making it suitable for general corrosion resistance applications. In contrast, 304H contains a higher carbon content (0.04-0.10%), enhancing its high-temperature strength and creep resistance for elevated temperature environments.

Why use ASTM A 312 TP 304 H Seamless pipe Stainless Steel Pipes & Tubes ?

“304H stainless steel pipes and tubes are preferred for applications requiring elevated temperature resistance. With a higher carbon content, 304H offers improved high-temperature strength and creep resistance compared to standard 304 stainless steel. It is commonly used in applications such as refineries, chemical processing, and high-temperature environments.”

What is SUS304H material?

“SUS304H is a type of stainless steel with extra carbon, making it stronger and better suited for high temperatures compared to regular SUS304. It’s used in industries requiring heat-resistant materials, such as refineries and chemical plants. SUS304H is similar to AISI 304H and finds widespread use in various high-temperature applications.”

WHAT IS THE DIFFERENCE BETWEEN 304, 304H, 304L STAINLESS STEEL?

“The difference between 304, 304H, and 304L stainless steel lies in their carbon content and resulting properties. 304 is standard, while 304L has lower carbon for improved weldability and corrosion resistance. Conversely, 304H contains higher carbon for increased strength and resistance to high temperatures. These variations cater to different needs, with 304 suitable for general use, 304L preferred for welding applications, and 304H ideal for environments requiring elevated temperature resistance, such as refineries and chemical plants. Each type offers unique advantages, ensuring compatibility with specific industrial requirements and optimal performance in various applications.”

STAINLESS STEEL 304H SEAMLESS & WELDED PIPES & TUBES SPECIFICATION :

Specifications:ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Dimensions:ASTM, ASME and API
304H Pipes & Tubes:1/2″ NB – 16″ NB
ERW 304H Pipes & Tubes:1/2″ NB – 24″ NB
EFW 304H Pipes & Tubes:6″ NB – 100″ NB
Size:1/8″NB TO 30″NB IN
Specialized in:Large Diameter Size
Schedule:SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type:Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form:Round, Square, Rectangular, Hydraulic Etc
Length:Single Random, Double Random & Cut Length.
End:Plain End, Beveled End, Treaded

Equivalent Grades of TP 304H Stainless Steel Pipes & Tubing

Standard SS 304H
UNS
S30409
WERKSTOFF NR.
1.4301
AFNOR
JIS
GOST
BS
EN
STANDARDWERKSTOFF NR.UNSJISAFNORBSGOSTEN
SS 304H1.4301S30409

Chemical Composition Of SS 304H werkstoff nr. 1.4301 Pipes & Tubes:

Grade C Mn Si P S Cr Mo Ni N
304H
Min.
0.04
-
-
-
-
18.0
-
8.0
-
Max.
0.10
2.0
0.75
0.045
0.030
20.0
-
10.5
-
GradeCMnSiPSCrMoNiN
304Hmin.0.0418.08.0
max.0.102.00.750.0450.03020.010.5

Mechanical properties Of ASTM A312 / A213 / A249 TP 304H Stainless Steel Seamless Pipes & Tubes

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness Rockwell B (HR B) max Hardness Brinell (HB) max
304H
515
205
40
92
201
GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minHardness
Rockwell B (HR B) maxBrinell (HB) max
304H5152054092201

Stainless Steel 304H Pipes & Tubes 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
GradeDensity (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)
0-1000C0-3150C0-5380Cat 1000Cat 5000C
304H800019317.217.818.416.221.5500720

SS 304H SCH40 Pipe & Tubes Grade specifications

Grade UNS No Old British BS Old British En Euronorm No Euronorm Name Swedish SS Japanese JIS
304H
S30409
304S51
-
1.4948
X2CrNi18-11
-
-
GradeUNS NoOld BritishEuronormSwedish SSJapanese JIS
BSEnNoName
304HS30409304S511.4948X2CrNi18-11
Common queries include information about Stainless Steel 304H Pipes and Tubes.

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