Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Stainless Steel Seamless Pipe |
| Standard | ASTM A312 / ASME SA312 |
| Material | TP304/304L/304H/316L/309S/310S/316L/316H/317H/321/253MA/254SMO, etc. |
| O.D. | 1/2''to 48'' |
| W.T. | SCH 5S to XXS |
| Length | Single Random, Double Random & Cut Length |
| End | Plain Ends, Beveled Ends |
| Type | Seamless, Welded |
| Surface | Pickled and Annealed |
| High Light | ASTM A312 254SMO Duplex Stainless Steel Seamless Pipe |
| Brand Name | YUHONG |
| Model Number | ASTM A312 UNS S31254 / 254SMO Duplex Stainless Steel Seamless Pipe |
| Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7 DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Product Name | Stainless Steel Seamless Pipe |
| Standard | ASTM A312 / ASME SA312 | Material | TP304/304L/304H/316L/309S/310S/316L/316H/317H/321/253MA/254SMO, etc. |
| O.D. | 1/2''to 48'' | W.T. | SCH 5S to XXS |
| Length | Single Random, Double Random & Cut Length | End | Plain Ends, Beveled Ends |
| Type | Seamless, Welded | Surface | Pickled and Annealed |
| High Light | ASTM A312 254SMO Duplex Stainless Steel Seamless Pipe | Brand Name | YUHONG |
| Model Number | ASTM A312 UNS S31254 / 254SMO Duplex Stainless Steel Seamless Pipe | Certification | ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | 254SMO Duplex Stainless Steel Seamless Pipe ，Round Duplex Stainless Steel Pipes ，Pickled Annealed Duplex Stainless Steel Pipes | ||
ASTM A312 UNS S31254 / 254SMO Duplex Stainless Steel Seamless Pipe
Duplex stainless steels are characterized by their high levels of both ferrite and austenite phases, which give them excellent strength and corrosion resistance. ASTM A312 254SMO / UNS S31254 duplex stainless steel seamless pipes are commonly used in industries such as chemical processing, oil and gas, and pulp and paper. These pipes are made using a seamless manufacturing process, which ensures that they have a uniform wall thickness and smooth surface finish. They are available in various sizes and thicknesses, and can be customized to meet specific requirements.
Equivalent Grade of A312 254SMO Stainless Steel Seamless Pipes
| UNS | EN Number | EN Name | W.Nr. | SS | AFNOR |
| S31254 | 1.4547 | X1CrNiMoCuN20-18-7 | 1.4529 | 2378 | Z1 CNDU 20.18.06AZ |
Chemical Composition of ASTM A312 254SMO Stainless Steel Seamless Pipes
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| ≤0.020 | ≤0.80 | ≤1.00 | ≤0.030 | ≤0.010 | 20 | 18 | 6.1 | 0.20 | 0.7 |
Mechanical Properties of ASTM A312 254SMO Stainless Steel Seamless Pipes
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 680 MPa | 98600 psi |
| Yield strength | 300 MPa | 43500 psi |
| Modulus of elasticity | 195 GPa | 28300 ksi |
| Shear modulus | 75 GPa | 10900 ksi |
| Poisson’s ratio | 0.30 | 0.30 |
| Elongation at break | 50 % | 50 % |
| Hardness, Brinell | 210 | 210 |
The physical properties of ASTM A312 254SMO Stainless Steel Seamless Pipes
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Thermal Conductivity | 14 | W.m -1.°K-1 |
| Thermal Expansion | 16.5 | mm/m/°C |
| Modulus Elasticity | 196 | GPa |
| Electrical Resistivity | 8.5 | μohm/cm |
| Density | 8.0 | g/cm3 |
The Thermal Properties of ASTM A312 254SMO Stainless Steel Seamless Pipes
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@20-100°C/68-212°F) | 16.5 µm/m°C | 9.17 µin/in°F |
| Thermal conductivity | 14 W/mK | 97.2 BTU in/hr.ft².°F |
Apllications
Saltwater handling
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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