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UNS NO6022/DIN W. NR. 2.4602 SEAMLESS PIPE
UNS NO6022/DIN W. NR. 2.4602 Seamless Pipe is a high-performance nickel alloy product engineered for extreme industrial environments, leveraging 30 years of seamless pipe manufacturing expertise. Crafted from Alloy C-22—a versatile Ni-Cr-Mo-W alloy—it outperforms competitors like Alloy C-276, Alloy C-4, and Alloy 625 in comprehensive corrosion resistance. This seamless pipe excels in resisting pitting, crevice corrosion, and stress corrosion cracking, making it ideal for applications where oxidizing, reducing, or mixed chemical conditions prevail. With a massive inventory of 1,000,000 units in stock, it meets the urgent and diverse needs of global industries, from chemical processing to nuclear power generation. Whether used in harsh chemical streams or multi-purpose plants prone to "upset" conditions, this nickel alloy seamless pipe delivers unmatched reliability and durability.
Our nickel alloy seamless pipes boast exceptional features including high corrosion resistance, low density, and superior thermal stability, making them ideal for applications in aerospace, automotive manufacturing, turbine systems, powder metallurgy, and high-performance engines. Backed by ISO9001:2015 certification and approvals from renowned classification societies such as BV, ABS, CCS, and DNV/GL, our pipes meet the most stringent global standards. We offer flexible trade terms (FOB, CIF, EXW) and diverse payment methods (L/C, T/T, Western Union, MoneyGram) to streamline international transactions.
SPECIFICATIONS OF UNS NO6022/DIN W. NR. 2.4602 SEAMLESS PIPE
OD: 1mm-325mm
WALL THICKNESS ：0.2mm-20mm
Length : 12m (Special specifications are available as required)
| SPECIFICATIONS | PHYSICAL PROPERTIES | ||||
Seamless pipe and tube | ASTM B 622 | DENSITY | 8.69 g/cm 3 | MELTING RANGE | 1325-1370℃ |
CHEMICAL COMPOSITION | ||||||||||||
% | Ni | Cr | Mo | Fe | W | Co | C | Mn | Si | P | S | V |
MIN | BALANCE | 20.00 | 12.50 | 2.00 | 2.50 | |||||||
MAX | 22.50 | 14.50 | 6.00 | 3.50 | 2.50 | 0.02 | 0.50 | 0.08 | 0.02 | 0.02 | 0.35 | |
The UNS NO6022 seamless pipe adheres to strict industry standards (ASTM B 622) with precise dimensional parameters:
Outer Diameter (OD): 1mm - 325mm, accommodating small-scale precision systems to large industrial pipelines.
Wall Thickness: 0.2mm - 20mm, offering flexibility for low-pressure and high-pressure applications alike.
Length: Standard 12m, with custom lengths available to match project-specific requirements.
Physical Properties: Boasts a density of 8.69 g/cm³ and a melting range of 1325-1370℃, ensuring stability under extreme temperature fluctuations.
The superior performance of DIN W. NR. 2.4602 seamless pipe stems from its optimized chemical makeup (min-max %):
Nickel (Ni): Balance (core base metal for corrosion resistance)
Chromium (Cr): 20.00 - 22.50 (enhances oxidizing media resistance)
Molybdenum (Mo): 12.50 - 14.50 (boosts pitting and crevice corrosion protection)
Iron (Fe): 2.00 - 6.00 (improves structural stability)
Tungsten (W): 2.50 - 3.50 (reinforces overall corrosion resistance)
Other elements: Controlled levels of Co (≤2.50), C (≤0.02), Mn (≤0.50), Si (≤0.08), P (≤0.02), S (≤0.02), and V (≤0.35) for purity and performance.
This nickel alloy seamless pipe is a top choice for critical industries, including:
Chemical processing (acetic acid, acetic anhydride, complex acid mixtures)
Pickling operations and flue gas scrubber systems
Geothermal wells and HF furnace scrubbers
Nuclear fuel reprocessing and pesticide production
Phosphoric acid production and heat exchangers
Sulfur dioxide cooling towers and sulphonation systems
Electro-galvanizing rolls, expansion bellows, and weld overlay projects
Production Processes |
Quality Control of Huashang Duplex Steel Seamless Pipe |
Quality is embedded in every stage of our UNS NO6022 seamless pipe production, supported by ISO9001:2015 certification and approvals from classification societies (BV, ABS, CCS, DNV/GL, TUV, LR, KR):
Conduct MTC (Material Test Certificate) verification and PMI (Positive Material Identification) to confirm chemical composition.
Perform tensile strength testing and thorough surface/dimension inspections to eliminate defective raw materials.
Assign dedicated technicians to monitor and document the production process via process flow cards, ensuring compliance with specifications.
Conduct real-time checks during forming, heat treatment, and finishing to address deviations promptly.
Routine inspections: Appearance checks to detect surface defects (scratches, dents, corrosion).
Non-destructive testing: Eddy current testing and ultrasonic testing to identify internal flaws.
Mechanical and chemical testing: Metallographic analysis, impact testing, tensile testing, and hardness testing in our professional lab.
Third-party inspection: Accept BV, LR, TUV, ABS, DNV-GL, and other third-party audits for customer confidence.
METALLOGRAPHIC TEST
IMPACT TEST
TENSILE TEST
EDDY CURRENT TESTING
ULTRASONIC TESTING
HARDNESS TEST
TEST BLOCK MEASUREMENT SIZE
MEASURE AFTER PULLING
PULL UP TEST BLOCK
Packaging and Containerization |
This pipe is made from Alloy C-22, which offers better comprehensive corrosion resistance than Alloy C-276, C-4, and 625. It resists grain boundary precipitates in the weld heat-affected zone, enabling reliable use in the as-welded condition—critical for chemical process applications.
Standard UNS NO6022 seamless pipe has an OD of 1mm-325mm, wall thickness of 0.2mm-20mm, and length of 12m. We offer custom dimensions (OD, wall thickness, length) to meet specific project requirements—contact our team for personalized quotes.
Yes. Our nickel alloy seamless pipe is certified to ISO9001:2015 and approved by major classification societies (BV, ABS, CCS, DNV/GL, TUV, LR, KR). It meets ASTM B 622 standards, ensuring compliance with global industrial regulations.
With 1,000,000 units in stock, standard DIN W. NR. 2.4602 seamless pipe can be shipped within 3-5 working days. Custom orders take 2-4 weeks depending on specifications—we prioritize fast delivery to minimize project delays.
Certificates |
Quality management system certificate
Occupational health and safety management system certification
Environmental management system certificate
CCS certificate
TUV-PED certificate
UNS NO6022/DIN W. NR. 2.4602 Seamless Pipe is a high-performance nickel alloy product engineered for extreme industrial environments, leveraging 30 years of seamless pipe manufacturing expertise. Crafted from Alloy C-22—a versatile Ni-Cr-Mo-W alloy—it outperforms competitors like Alloy C-276, Alloy C-4, and Alloy 625 in comprehensive corrosion resistance. This seamless pipe excels in resisting pitting, crevice corrosion, and stress corrosion cracking, making it ideal for applications where oxidizing, reducing, or mixed chemical conditions prevail. With a massive inventory of 1,000,000 units in stock, it meets the urgent and diverse needs of global industries, from chemical processing to nuclear power generation. Whether used in harsh chemical streams or multi-purpose plants prone to "upset" conditions, this nickel alloy seamless pipe delivers unmatched reliability and durability.
Our nickel alloy seamless pipes boast exceptional features including high corrosion resistance, low density, and superior thermal stability, making them ideal for applications in aerospace, automotive manufacturing, turbine systems, powder metallurgy, and high-performance engines. Backed by ISO9001:2015 certification and approvals from renowned classification societies such as BV, ABS, CCS, and DNV/GL, our pipes meet the most stringent global standards. We offer flexible trade terms (FOB, CIF, EXW) and diverse payment methods (L/C, T/T, Western Union, MoneyGram) to streamline international transactions.
SPECIFICATIONS OF UNS NO6022/DIN W. NR. 2.4602 SEAMLESS PIPE
OD: 1mm-325mm
WALL THICKNESS ：0.2mm-20mm
Length : 12m (Special specifications are available as required)
| SPECIFICATIONS | PHYSICAL PROPERTIES | ||||
Seamless pipe and tube | ASTM B 622 | DENSITY | 8.69 g/cm 3 | MELTING RANGE | 1325-1370℃ |
CHEMICAL COMPOSITION | ||||||||||||
% | Ni | Cr | Mo | Fe | W | Co | C | Mn | Si | P | S | V |
MIN | BALANCE | 20.00 | 12.50 | 2.00 | 2.50 | |||||||
MAX | 22.50 | 14.50 | 6.00 | 3.50 | 2.50 | 0.02 | 0.50 | 0.08 | 0.02 | 0.02 | 0.35 | |
The UNS NO6022 seamless pipe adheres to strict industry standards (ASTM B 622) with precise dimensional parameters:
Outer Diameter (OD): 1mm - 325mm, accommodating small-scale precision systems to large industrial pipelines.
Wall Thickness: 0.2mm - 20mm, offering flexibility for low-pressure and high-pressure applications alike.
Length: Standard 12m, with custom lengths available to match project-specific requirements.
Physical Properties: Boasts a density of 8.69 g/cm³ and a melting range of 1325-1370℃, ensuring stability under extreme temperature fluctuations.
The superior performance of DIN W. NR. 2.4602 seamless pipe stems from its optimized chemical makeup (min-max %):
Nickel (Ni): Balance (core base metal for corrosion resistance)
Chromium (Cr): 20.00 - 22.50 (enhances oxidizing media resistance)
Molybdenum (Mo): 12.50 - 14.50 (boosts pitting and crevice corrosion protection)
Iron (Fe): 2.00 - 6.00 (improves structural stability)
Tungsten (W): 2.50 - 3.50 (reinforces overall corrosion resistance)
Other elements: Controlled levels of Co (≤2.50), C (≤0.02), Mn (≤0.50), Si (≤0.08), P (≤0.02), S (≤0.02), and V (≤0.35) for purity and performance.
This nickel alloy seamless pipe is a top choice for critical industries, including:
Chemical processing (acetic acid, acetic anhydride, complex acid mixtures)
Pickling operations and flue gas scrubber systems
Geothermal wells and HF furnace scrubbers
Nuclear fuel reprocessing and pesticide production
Phosphoric acid production and heat exchangers
Sulfur dioxide cooling towers and sulphonation systems
Electro-galvanizing rolls, expansion bellows, and weld overlay projects
Production Processes |
Quality Control of Huashang Duplex Steel Seamless Pipe |
Quality is embedded in every stage of our UNS NO6022 seamless pipe production, supported by ISO9001:2015 certification and approvals from classification societies (BV, ABS, CCS, DNV/GL, TUV, LR, KR):
Conduct MTC (Material Test Certificate) verification and PMI (Positive Material Identification) to confirm chemical composition.
Perform tensile strength testing and thorough surface/dimension inspections to eliminate defective raw materials.
Assign dedicated technicians to monitor and document the production process via process flow cards, ensuring compliance with specifications.
Conduct real-time checks during forming, heat treatment, and finishing to address deviations promptly.
Routine inspections: Appearance checks to detect surface defects (scratches, dents, corrosion).
Non-destructive testing: Eddy current testing and ultrasonic testing to identify internal flaws.
Mechanical and chemical testing: Metallographic analysis, impact testing, tensile testing, and hardness testing in our professional lab.
Third-party inspection: Accept BV, LR, TUV, ABS, DNV-GL, and other third-party audits for customer confidence.
METALLOGRAPHIC TEST
IMPACT TEST
TENSILE TEST
EDDY CURRENT TESTING
ULTRASONIC TESTING
HARDNESS TEST
TEST BLOCK MEASUREMENT SIZE
MEASURE AFTER PULLING
PULL UP TEST BLOCK
Packaging and Containerization |
This pipe is made from Alloy C-22, which offers better comprehensive corrosion resistance than Alloy C-276, C-4, and 625. It resists grain boundary precipitates in the weld heat-affected zone, enabling reliable use in the as-welded condition—critical for chemical process applications.
Standard UNS NO6022 seamless pipe has an OD of 1mm-325mm, wall thickness of 0.2mm-20mm, and length of 12m. We offer custom dimensions (OD, wall thickness, length) to meet specific project requirements—contact our team for personalized quotes.
Yes. Our nickel alloy seamless pipe is certified to ISO9001:2015 and approved by major classification societies (BV, ABS, CCS, DNV/GL, TUV, LR, KR). It meets ASTM B 622 standards, ensuring compliance with global industrial regulations.
With 1,000,000 units in stock, standard DIN W. NR. 2.4602 seamless pipe can be shipped within 3-5 working days. Custom orders take 2-4 weeks depending on specifications—we prioritize fast delivery to minimize project delays.
Certificates |
Quality management system certificate
Occupational health and safety management system certification
Environmental management system certificate
CCS certificate
TUV-PED certificate
