FOR REQUIREMENT OF THIS GRADE
OR FOR DETAIL CONTACT US AT :-
Introduction
ASTM A608
/ A608M covers centrifugally cast iron-chromium-nickel high-alloy steel tubes
intended for high-temperature service applications. These tubes are
manufactured using centrifugal casting processes to provide excellent heat
resistance, oxidation resistance, carburization resistance, and
high-temperature strength under severe operating conditions.
ASTM A608
tubes are widely used in petrochemical plants, heat treatment furnaces,
reformer units, cracking furnaces, thermal processing equipment, power
generation plants, and various industrial heating systems where elevated
temperatures and corrosive environments are encountered.
The alloy
compositions covered under ASTM A608 provide outstanding resistance to thermal
fatigue, creep deformation, oxidation, and corrosion at high operating
temperatures, making them suitable for prolonged service in demanding
industrial environments.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A608 /
A608M Cast Iron-Chromium-Nickel High-Alloy Tubes, supplying premium-quality
centrifugally cast heat-resistant alloy tubes for industrial and
high-temperature applications worldwide.
Applicable Standard
Standard Specification: ASTM A608 / A608M
Organization: ASTM International
This
specification covers centrifugally cast heat-resistant alloy tubes intended for
high-temperature pressure-containing applications.
Forms of Supply
ASTM A608
tubes are supplied in the following forms:
•
Centrifugally cast tubes
• Heat-resistant alloy tubes
• Furnace tubes
• Reformer tubes
• Radiant tubes
• Process tubes
• Straight tubes
• Machined tubes
• Rough cast tubes
• Finished tubes
• Custom-length tubes
• Fabrication-ready tubes
• Seamless cast tubes
Grades Covered Under ASTM A608 / A608M
• HC30
• HD50
• HE35
• HF30
• HH30
• HH33
• HH35
• HK30
• HK40
• HL30
• HL40
• HN40
• HPNb
• HPNbS
• HT50
• HU50
• HW50
• HX50
Supply Condition
• As cast
• Solution annealed
• Heat treated
• Machined
• Stress relieved
• Finished condition
Surface Finish
• As cast
finish
• Machined finish
• Ground finish
• Shot blasted finish
• Pickled finish
• Cleaned finish
Standard Sizes
Tubes
Outside Diameter: 50 mm to 1500 mm
Wall Thickness: 5 mm to 150 mm
Length: Up to 12000
mm
Custom
dimensions and fabricated tube assemblies are available according to customer
requirements.
Chemical Composition of ASTM A608 / A608M
(Composition, % – Values are maximums unless otherwise indicated)
|
Grade |
Carbon |
Manganese |
Silicon |
Chromium |
Nickel |
Phosphorus |
Sulfur |
Molybdenum |
Niobium |
|
HC30 |
0.25–0.35 |
0.50–1.0 |
0.50–2.00 |
26–30 |
4.0 |
0.04 |
0.04 |
0.50 |
— |
|
HD50 |
0.45–0.55 |
1.50 |
0.50–2.00 |
26–30 |
4–7 |
0.04 |
0.04 |
0.50 |
— |
|
HE35 |
0.30–0.40 |
1.50 |
0.50–2.00 |
26–30 |
8–11 |
0.04 |
0.04 |
0.50 |
— |
|
HF30 |
0.25–0.35 |
1.50 |
0.50–2.00 |
19–23 |
9–12 |
0.04 |
0.04 |
0.50 |
— |
|
HH30 |
0.25–0.35 |
1.50 |
0.50–2.00 |
24–28 |
11–14 |
0.04 |
0.04 |
0.50 |
— |
|
HH33 |
0.28–0.38 |
1.50 |
0.50–2.00 |
24–26 |
12–14 |
0.04 |
0.04 |
0.50 |
— |
|
HH35 |
0.30–0.40 |
1.50 |
0.50–2.00 |
26–30 |
14–18 |
0.04 |
0.04 |
0.50 |
— |
|
HK30 |
0.25–0.35 |
1.50 |
0.50–2.00 |
23–27 |
19–22 |
0.04 |
0.04 |
0.50 |
— |
|
HK40 |
0.35–0.45 |
1.50 |
0.50–2.00 |
23–27 |
19–22 |
0.04 |
0.04 |
0.50 |
— |
|
HL30 |
0.25–0.35 |
1.50 |
0.50–2.00 |
28–32 |
18–22 |
0.04 |
0.04 |
0.50 |
— |
|
HL40 |
0.35–0.45 |
1.50 |
0.50–2.00 |
28–32 |
18–22 |
0.04 |
0.04 |
0.50 |
— |
|
HN40 |
0.35–0.45 |
1.50 |
0.50–2.00 |
19–23 |
23–27 |
0.04 |
0.04 |
0.50 |
— |
|
HPNb |
0.38–0.45 |
0.50–1.50 |
0.50–1.50 |
24–27 |
34–37 |
0.03 |
0.03 |
0.50 |
0.5–1.5 |
|
HPNbS |
0.38–0.45 |
0.50–1.50 |
1.50–2.50 |
24–27 |
34–37 |
0.03 |
0.03 |
0.50 |
0.5–1.5 |
|
HT50 |
0.40–0.60 |
1.50 |
0.50–2.00 |
15–19 |
33–37 |
0.04 |
0.04 |
0.50 |
— |
|
HU50 |
0.40–0.60 |
1.50 |
0.50–2.00 |
17–21 |
37–41 |
0.04 |
0.04 |
0.50 |
— |
|
HW50 |
0.40–0.60 |
1.50 |
0.50–2.00 |
10–14 |
58–62 |
0.04 |
0.04 |
0.50 |
— |
|
HX50 |
0.40–0.60 |
1.50 |
0.50–2.00 |
15–19 |
64–68 |
0.04 |
0.04 |
0.50 |
— |
Key Features of ASTM A608 / A608M Tubes
•
Excellent high-temperature strength
• Superior oxidation resistance
• Outstanding creep resistance
• Excellent carburization resistance
• Good thermal fatigue resistance
• Long service life at elevated temperatures
• High corrosion resistance
• Excellent structural stability
• Reliable performance under thermal cycling
• Suitable for severe industrial environments
Applications of ASTM A608 / A608M Tubes
Petrochemical Industry
• Steam
reformer tubes
• Cracking furnace tubes
• Transfer line applications
• Process heater tubes
Heat Treatment Industry
• Radiant
tubes
• Furnace rolls
• Retorts
• Heat treatment equipment
Power Generation Industry
•
High-temperature process systems
• Boiler auxiliary components
• Thermal processing units
• Heat recovery systems
Chemical Processing Industry
• Reactor
components
• Process heating equipment
• High-temperature piping systems
• Industrial furnace components
Metallurgical Industry
•
Annealing furnace tubes
• Continuous casting equipment
• Reheating furnaces
• Thermal processing systems
Industrial Furnace Applications
•
Ethylene furnaces
• Hydrogen reformers
• Incinerator systems
• Waste heat recovery units
Fabrication and Welding
ASTM A608
cast alloy tubes provide excellent service performance when proper fabrication
procedures are followed.
•
Suitable for high-temperature industrial service
• Good weldability using appropriate filler metals
• Can be machined using specialized tooling
• Suitable for fabrication into furnace assemblies
• Excellent dimensional stability at elevated temperatures
• Can be supplied with machined ends and special configurations
Qualified
welding procedures should be used to maintain high-temperature performance
characteristics.
Heat Treatment
Heat
treatment requirements vary according to alloy grade and application.
•
Solution annealing may be performed where required
• Stress relieving can improve dimensional stability
• Controlled cooling minimizes residual stresses
• Heat treatment enhances microstructural uniformity
• Optimized processing improves service performance
Advantages of ASTM A608 / A608M Tubes
•
Exceptional resistance to high-temperature oxidation
• Excellent creep rupture strength
• Long operational service life
• Reduced maintenance requirements
• Superior thermal stability
• Excellent resistance to carburizing atmospheres
• Reliable performance under cyclic heating conditions
• Cost-effective for severe service applications
• Suitable for continuous high-temperature operation
• Proven industrial performance worldwide
Conclusion
ASTM A608
/ A608M Cast Iron-Chromium-Nickel High-Alloy Tubes are premium centrifugally
cast heat-resistant tubes specifically designed for high-temperature pressure
applications. Their excellent oxidation resistance, creep strength,
carburization resistance, and long-term thermal stability make them ideal for
petrochemical plants, reformer furnaces, heat treatment equipment, power generation
facilities, and industrial processing systems.
Ladhani Metal Corporation
supplies ASTM A608 / A608M centrifugally cast high-alloy tubes in various
grades, sizes, and customized specifications, providing reliable
high-temperature material solutions for industrial applications worldwide.
FOR REQUIREMENT OF THIS GRADE
OR FOR DETAIL CONTACT US AT :-
#ASTMA608 #ASTMA608M #ASTMA608Tube #ASTMA608AlloyTube #ASTMA608CastIronTube #ASTMA608ChromiumNickelTube #ASTMA608HighAlloyTube #ASTMA608HeatResistantTube #ASTMA608CentrifugallyCastTube #ASTMA608FurnaceTube #ASTMA608RadiantTube #ASTMA608PetrochemicalTube #ASTMA608IndustrialTube #ASTMA608SteelTube #ASTMA608TubeSupplier #ASTMA608TubeManufacturer #ASTMA608Exporter #ASTMA608Stockist #ASTMA608Dealer #ASTMA608HighTemperatureTube #ASTMA608CorrosionResistantTube #ASTMA608HeatTreatmentTube #ASTMA608ProcessHeaterTube #ASTMA608ReformerTube #ASTMA608ChemicalProcessingTube #ASTMA608MechanicalProperties #ASTMA608ChemicalComposition #ASTMA608IndustrialApplications #ASTMA608EngineeringMaterials #ASTMA608TubeDistributor #ASTMA608CastAlloyTube #ASTMHighAlloyTube #ChromiumNickelAlloyTube #HeatResistantAlloyTube #IndustrialFurnaceTube #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur #Gwalior #Vijayawada #Jodhpur #Raipur #Kota #Guwahati #Chandigarh #Solapur #Hubli #Mysuru #Tiruchirappalli #Bareilly
@Mumbai @Delhi @Chennai @Kolkata @Hyderabad @Bengaluru
){kind=link}