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Super Alloy HAYNES(r) 556 Alloy™ (UNS R30556)
Huashang
7304419000
Super Alloy HAYNES 556 (UNS R30556) is a high-performance nickel alloy designed for high-temperature applications. Its chemical composition includes iron (Fe) as the balance, chromium (Cr) 21.00%-23.00%, nickel (Ni) 19.00%-22.50%, cobalt (Co) 16.00%-21.00%, molybdenum (Mo) 2.50%-4.00%, tungsten (W) 2.00%-3.50%, with controlled trace elements: manganese (Mn) 0.50%-2.00%, silicon (Si) 0.20%-0.80%, carbon (C) 0.05%-0.15%, phosphorus (P) ≤0.04%, sulfur (S) ≤0.02%, aluminum (Al) ≤0.5%, zirconium (Zr) 0.001%-0.1%, boron (B) ≤0.02%, niobium (Nb) ≤0.3%, tantalum (Ta) ≤1.25%, and nitrogen (N) 0.1%-0.3%.
Compliant with ASTM B622 standards, the seamless tube offers dimensions: outer diameter (OD) from 1mm to 325mm, wall thickness from 0.2mm to 20mm, and a standard length of 12m (custom specifications available). Physical and mechanical properties include a density of 8.23 g/cm³, melting range of 1330-1415℃, tensile strength of 815 MPa (118000 psi), yield strength of 410 MPa (59500 psi), Charpy impact of 240 J (177 ft.lb), and elongation at break of 47.70%.
The alloy combines effective resistance to sulfidizing, carburizing, and chlorine-bearing environments at high temperatures with excellent oxidation resistance. It maintains exceptional high-temperature strength and fabricability, making it suitable for extreme heat applications. It also resists corrosion by molten zinc, molten chloride salts, and other aggressive salts.
Produced by a factory with 30 years of seamless pipe manufacturing experience, the product is manufactured using 18 seamless production lines and 3 perforation lines, with an annual output of 30,000 tons of austenitic and duplex steel pipes. The facility holds ISO9001:2015 certification and is approved by BV, ABS, CCS, DNV/GL, TUV, LR, KR, and other classification societies.
Raw materials are sourced from renowned mills (Tingshan, Tisco, Bao Steel, Yongxing, Walsn) and undergo MTC (PMI) checking, tensile strength testing, and surface/dimension inspection. In-production monitoring and pre-shipment tests (appearance, PMI, non-destructive testing, metallographic test, impact test, tensile test, hardness test) ensure product reliability. Third-party inspections are accepted.
R30556 combines effective resistance to sulfidizing,carburizing and chlorine-bearing environments at high temperatures with good oxidation resistance,
fabricability and excellent high temperature strength. It also resists to corrosion by molten zinc, molten chloride salts and other salts.
APPLICATIONS
Industrial waste incinerators, rotary calciners and kilns,hot-dip galvanizing equipment, aerospace industry high temperature components.
The seamless tube is ideal for industrial waste incinerators, rotary calciners and kilns, hot-dip galvanizing equipment, and aerospace industry high-temperature components. It is also used for turbine blades, guide vanes, turbine disks, high-pressure compressor disks, and combustion chambers in aviation, naval, and industrial gas turbines.
SPECIFICATIONS OF UNS R30556 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 | 8.23 g/cm 3 | MELTING | 1330-1415℃ |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 815 MPa | 118000 psi |
| Yield strength | 410 MPa | 59500 psi |
| Charpy impact | 240 J | 177 ft.lb |
| Elongation at break | 47.70% | 47.70% |
| Elastic modulus | 205 GPa | 29700 ksi |
CHEMICAL COMPOSITION | |||||||||||||||||
% | Fe | Cr | Ni | Co | Mo | W | Mn | Si | C | P | S | Al | Zr | B | Nb | Ta | N |
MIN | BALANCE | 21.00 | 19.00 | 16.00 | 2.50 | 2.00 | 0.50 | 0.20 | 0.05 | 0.1 | 0.001 | 0.3 | 0.1 | ||||
MAX | 23.00 | 22.50 | 21.00 | 4.00 | 3.50 | 2.00 | 0.80 | 0.15 | 0.04 | 0.02 | 0.5 | 0.1 | 0.02 | 0.3 | 1.25 | 0.3 | |
| Material | Monel/Inconel/Hastelloy/Duplex Steel/PH Steel/Nickel Alloy |
| Shape | Round,Forging,Ring,Coil,Flange,Disc,Foil,Spherical,Ribbon,Square,Bar,Pipe,Sheet |
| Product Characteristics | 1.According to the preparation process can be divided into deformation superalloys, casting superalloys and powder metallurgy superalloys. 2.According to the strengthening mode, there are solid solution strengthening type, precipitation strengthening type, oxide dispersion strengthening type and fiber strengthening type, etc.. |
| Standard | GB,AISI,ASTM,DIN,EN,SUS,UNS etc |
| Inspection | ISO,SGS,BV and so on. |
| Application | High temperature components such as turbine blades, guide vanes, turbine disks, high pressure compressor disks,machine manufacturing and combustion chambers used in the manufacture of aviation, naval and industrial gas turbines |
| Packaging | 1. cases packed in wooden cases 2. paper packaging 3. plastic packing 4. foam packaging Packaging according to customer requirements or products |
| Delivery | 7-100days orAccording to the product |
| Payment | L/C,D/A,D/P,T/T,Western Union,MoneyGram,According to customer requirements payments for offline orders. |
Our pipe factory has 296 employees ,including 4 senior engineers,18 engineers and 38 professional technicians.
We can produces 30,000tons of austenitic steel and duplex steel pipes annually with 18 seamless production lines and 3 perforation production lines.
Our pipe factory has been certified to the ISO9001:2015 quality management system and certified by various classification societies (such as BV, ABS,CCS,DNV/GL,TUV,LR,KR etc).
Production Processes |
Quality Control Of Huashang Duplex Steel Seamless Pipe |
1. Raw Materials
Our raw materials come from well-know mills in China, such as Tingshan, Tisco, Bao Steel, Yongxing, Walsn.....
We will do MTC checking (PMI), tensile strength test, surface/dimension inspection for raw material.
2. Production
Specially assigned person shall follow up and check the process flow card and finally keep the copy.
3. Before Shipment
Our quality inspection team responsible for different categories of products. We will conduct routine appearance testing, PMI testing, non-destructive testing. We also equipped with a professional lab that can do physical and chemical properties test. we also can accept the third inspection, such as BV, LR, TUV, ABS, DNV-GL ect.
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 |
HAYNES 556 (UNS R30556) maintains its performance in high-temperature environments up to its melting range of 1330-1415℃, making it suitable for extreme heat applications such as industrial incinerators and aerospace components.
Yes, we maintain a large inventory of 10,000,000 units for standard sizes, enabling quick delivery. For custom specifications, our team will provide a production timeline upon order confirmation.
We offer flexible payment terms for offline orders, including L/C, D/A, D/P, T/T, Western Union, and MoneyGram. Contact our sales team to discuss the most suitable payment option for your business.
The tube complies with ASTM B622 standards, and the factory is certified to ISO9001:2015, ISO45001:2018, and ISO14001:2015. It also holds CCS factory approval and TUV-PED certification (2014/68/EU), ensuring compliance with global industrial standards.
Super Alloy HAYNES 556 (UNS R30556) is a high-performance nickel alloy designed for high-temperature applications. Its chemical composition includes iron (Fe) as the balance, chromium (Cr) 21.00%-23.00%, nickel (Ni) 19.00%-22.50%, cobalt (Co) 16.00%-21.00%, molybdenum (Mo) 2.50%-4.00%, tungsten (W) 2.00%-3.50%, with controlled trace elements: manganese (Mn) 0.50%-2.00%, silicon (Si) 0.20%-0.80%, carbon (C) 0.05%-0.15%, phosphorus (P) ≤0.04%, sulfur (S) ≤0.02%, aluminum (Al) ≤0.5%, zirconium (Zr) 0.001%-0.1%, boron (B) ≤0.02%, niobium (Nb) ≤0.3%, tantalum (Ta) ≤1.25%, and nitrogen (N) 0.1%-0.3%.
Compliant with ASTM B622 standards, the seamless tube offers dimensions: outer diameter (OD) from 1mm to 325mm, wall thickness from 0.2mm to 20mm, and a standard length of 12m (custom specifications available). Physical and mechanical properties include a density of 8.23 g/cm³, melting range of 1330-1415℃, tensile strength of 815 MPa (118000 psi), yield strength of 410 MPa (59500 psi), Charpy impact of 240 J (177 ft.lb), and elongation at break of 47.70%.
The alloy combines effective resistance to sulfidizing, carburizing, and chlorine-bearing environments at high temperatures with excellent oxidation resistance. It maintains exceptional high-temperature strength and fabricability, making it suitable for extreme heat applications. It also resists corrosion by molten zinc, molten chloride salts, and other aggressive salts.
Produced by a factory with 30 years of seamless pipe manufacturing experience, the product is manufactured using 18 seamless production lines and 3 perforation lines, with an annual output of 30,000 tons of austenitic and duplex steel pipes. The facility holds ISO9001:2015 certification and is approved by BV, ABS, CCS, DNV/GL, TUV, LR, KR, and other classification societies.
Raw materials are sourced from renowned mills (Tingshan, Tisco, Bao Steel, Yongxing, Walsn) and undergo MTC (PMI) checking, tensile strength testing, and surface/dimension inspection. In-production monitoring and pre-shipment tests (appearance, PMI, non-destructive testing, metallographic test, impact test, tensile test, hardness test) ensure product reliability. Third-party inspections are accepted.
R30556 combines effective resistance to sulfidizing,carburizing and chlorine-bearing environments at high temperatures with good oxidation resistance,
fabricability and excellent high temperature strength. It also resists to corrosion by molten zinc, molten chloride salts and other salts.
APPLICATIONS
Industrial waste incinerators, rotary calciners and kilns,hot-dip galvanizing equipment, aerospace industry high temperature components.
The seamless tube is ideal for industrial waste incinerators, rotary calciners and kilns, hot-dip galvanizing equipment, and aerospace industry high-temperature components. It is also used for turbine blades, guide vanes, turbine disks, high-pressure compressor disks, and combustion chambers in aviation, naval, and industrial gas turbines.
SPECIFICATIONS OF UNS R30556 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 | 8.23 g/cm 3 | MELTING | 1330-1415℃ |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 815 MPa | 118000 psi |
| Yield strength | 410 MPa | 59500 psi |
| Charpy impact | 240 J | 177 ft.lb |
| Elongation at break | 47.70% | 47.70% |
| Elastic modulus | 205 GPa | 29700 ksi |
CHEMICAL COMPOSITION | |||||||||||||||||
% | Fe | Cr | Ni | Co | Mo | W | Mn | Si | C | P | S | Al | Zr | B | Nb | Ta | N |
MIN | BALANCE | 21.00 | 19.00 | 16.00 | 2.50 | 2.00 | 0.50 | 0.20 | 0.05 | 0.1 | 0.001 | 0.3 | 0.1 | ||||
MAX | 23.00 | 22.50 | 21.00 | 4.00 | 3.50 | 2.00 | 0.80 | 0.15 | 0.04 | 0.02 | 0.5 | 0.1 | 0.02 | 0.3 | 1.25 | 0.3 | |
| Material | Monel/Inconel/Hastelloy/Duplex Steel/PH Steel/Nickel Alloy |
| Shape | Round,Forging,Ring,Coil,Flange,Disc,Foil,Spherical,Ribbon,Square,Bar,Pipe,Sheet |
| Product Characteristics | 1.According to the preparation process can be divided into deformation superalloys, casting superalloys and powder metallurgy superalloys. 2.According to the strengthening mode, there are solid solution strengthening type, precipitation strengthening type, oxide dispersion strengthening type and fiber strengthening type, etc.. |
| Standard | GB,AISI,ASTM,DIN,EN,SUS,UNS etc |
| Inspection | ISO,SGS,BV and so on. |
| Application | High temperature components such as turbine blades, guide vanes, turbine disks, high pressure compressor disks,machine manufacturing and combustion chambers used in the manufacture of aviation, naval and industrial gas turbines |
| Packaging | 1. cases packed in wooden cases 2. paper packaging 3. plastic packing 4. foam packaging Packaging according to customer requirements or products |
| Delivery | 7-100days orAccording to the product |
| Payment | L/C,D/A,D/P,T/T,Western Union,MoneyGram,According to customer requirements payments for offline orders. |
Our pipe factory has 296 employees ,including 4 senior engineers,18 engineers and 38 professional technicians.
We can produces 30,000tons of austenitic steel and duplex steel pipes annually with 18 seamless production lines and 3 perforation production lines.
Our pipe factory has been certified to the ISO9001:2015 quality management system and certified by various classification societies (such as BV, ABS,CCS,DNV/GL,TUV,LR,KR etc).
Production Processes |
Quality Control Of Huashang Duplex Steel Seamless Pipe |
1. Raw Materials
Our raw materials come from well-know mills in China, such as Tingshan, Tisco, Bao Steel, Yongxing, Walsn.....
We will do MTC checking (PMI), tensile strength test, surface/dimension inspection for raw material.
2. Production
Specially assigned person shall follow up and check the process flow card and finally keep the copy.
3. Before Shipment
Our quality inspection team responsible for different categories of products. We will conduct routine appearance testing, PMI testing, non-destructive testing. We also equipped with a professional lab that can do physical and chemical properties test. we also can accept the third inspection, such as BV, LR, TUV, ABS, DNV-GL ect.
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 |
HAYNES 556 (UNS R30556) maintains its performance in high-temperature environments up to its melting range of 1330-1415℃, making it suitable for extreme heat applications such as industrial incinerators and aerospace components.
Yes, we maintain a large inventory of 10,000,000 units for standard sizes, enabling quick delivery. For custom specifications, our team will provide a production timeline upon order confirmation.
We offer flexible payment terms for offline orders, including L/C, D/A, D/P, T/T, Western Union, and MoneyGram. Contact our sales team to discuss the most suitable payment option for your business.
The tube complies with ASTM B622 standards, and the factory is certified to ISO9001:2015, ISO45001:2018, and ISO14001:2015. It also holds CCS factory approval and TUV-PED certification (2014/68/EU), ensuring compliance with global industrial standards.
