Hunan Dinghan New Material Technology Co., LTD
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | (Sample Order) 7 days |
| Packaging Details | According to Customers' Requests |
| Product Name | Nickle Alloy Flat Welding Flange |
| Grade | Super Dupex F44 |
| Density | 8.0 g/cm3 |
| Specific Heat | 500J/kg.℃ |
| Ultimate Tensile Strength | 650 – 850 MPa |
| 0.2% Proof Strength | 300 MPa |
| Elongation | 35 % |
| Hardness (Max) | 260 HB |
| Tensile Strength, Yield | 245 MPa |
| Impact | 100 J |
| Mean Coefficient of Thermal Expansion at 20 - 100°C | 16.5x 10-6 K -1 |
| Thermal Conductivity at 20°C | 14W.m-1.K-1 |
| Electrical Resistivity at 20°C | 0.85Ω .mm2 .m-1 |
| Modulus of Elasticity at 20° | 195GPa |
| Brand Name | DINGSCO |
| Model Number | According to customers requirements |
| Certification | ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | (Sample Order) 7 days | Packaging Details | According to Customers' Requests |
| Product Name | Nickle Alloy Flat Welding Flange | Grade | Super Dupex F44 |
| Density | 8.0 g/cm3 | Specific Heat | 500J/kg.℃ |
| Ultimate Tensile Strength | 650 – 850 MPa | 0.2% Proof Strength | 300 MPa |
| Elongation | 35 % | Hardness (Max) | 260 HB |
| Tensile Strength, Yield | 245 MPa | Impact | 100 J |
| Mean Coefficient of Thermal Expansion at 20 - 100°C | 16.5x 10-6 K -1 | Thermal Conductivity at 20°C | 14W.m-1.K-1 |
| Electrical Resistivity at 20°C | 0.85Ω .mm2 .m-1 | Modulus of Elasticity at 20° | 195GPa |
| Brand Name | DINGSCO | Model Number | According to customers requirements |
| Certification | ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK | Place of Origin | China |
| High Light | UNS S31254 6MO ，254 SMO UNS S31254 ，6MO UNS S31254 | ||
Nickle Alloy Flat Welding Flange 254 SMO 6MO Super Dupex F44 1.4547 UNS S31254
Nickle Alloy Flange, also known as a flange rim or flange, is a part that connects pipes to each other at the ends, and it is also used on equipment inlets and outlets for connecting two pieces of equipment, such as a reducer flange. A flange connection or flange joint refers to a detachable connection consisting of a flange, gasket, and bolt, which together form a combined sealing structure.
Welding Process:
UNS S31254 / 1.4547 / F44:
Chemical Composition:
| Element | C | Mn | Si | S | P | Cr | Ni | Mo | N | Cu |
| Minimum(%) | - | - | - | - | - | 19.5 | 17.5 | 6 | 0.18 | 0.5 |
| Max(%) | 0.02 | 1 | 0.7 | 0.01 | 0.03 | 20.5 | 18.5 | 7 | 0.25 | 1 |
| ASTM | S31254 / A182 / A276 / A479 / A240 / A312 / A312 |
| ASME | S31254 / SA182 / SA276 / SA479 / SA240 / SA312 / SA312 |
| Machinability | 1. Stainless steel grade 254 SMO™ is quite tough to machine due to the extremely high work hardening rate and lack of sulfur content; 2. however using sharp tools, overpowered machine tools, positive feeds, good amount of lubrication, and slow speeds tend to provide good machining results. |
| Welding | 1. Welding of stainless steel grade 254 SMO™ requires filler material without which it results in poor strength properties. 2. Filler metals such as AWS A5.14 ERNiCrMo-3, and alloy 625 are recommended. 3. Electrodes used in the process, have to match with AWS A5.11 ENiCrMo-12. |
| Annealing | Annealing of this material should be performed at 1149-1204°C (2100-2200°F), which should be followed by a water quench. |
| Hot Working | 1. Forging, upsetting and other operations relating to this material can be performed at 982 – 1149°C (1800 – 2100°F). 2. It is recommended that temperatures do not exceed this range as it would result in scaling and reduction in the workability of the material. 3. To re-attain maximum corrosion resistant properties, it is advisable to perform post-process annealing. |
| Cold Working | 1. Cold working can be carried out using all the traditional methods; 2. however the process would be tough due to its high work hardening rate. 3. The result will provide the material with increased strength and toughness. |
| Hardening | 1. Stainless steel grade 254 SMO™ does not respond to heat treatment. 2. Hardening is possible only through cold reduction. |
Processing Flow Chart:
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities to produc... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities to produc...
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