ASTM A312 UNS S31254 Seamless Duplex Steel Boiler Pipes
Name：ASTM A312 UNS S31254 Seamless Duplex Steel Boiler Pipes
Certification：ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Shape：round
Technique：Cold Rolled/Hot Rolled
Surface Treatment：Sanded /Mirror/Hairline Brushed
Thickness：0.3-30mm
out Diameter：8-219mm
Length：5.8/6m or Custom
Stock：in Stock
Sample：Available
Transport Package：Standard Sea-Worthy Packing
Send E-mail:info@gneestainless.com
Tel:+8615824687445
Description
GNEE offers high-quality ASTM A312 UNS S31254 seamless duplex stainless steel boiler tubes. This super austenitic stainless steel, corresponding to UNS S31254 (254SMO), is designed for environments with high chloride ions, high temperatures, high pressures, and highly corrosive media. It is an ideal material for critical components such as boilers, heat exchangers, offshore engineering equipment, chemical vessels, and environmental protection equipment.
We offer a variety of sizes for UNS S31254 seamless stainless steel tubes, with outer diameters ranging from 6.0–610 mm and wall thicknesses from 0.5–25.4 mm (1/50 inch to 1 inch). We support custom production of large-diameter, thin-wall, and thick-wall tubes to meet the design requirements of various boiler systems.
If you want to know more details and prices of the products, please contact us in time! Email: info@gneestainless.com
Application
ASTM A312 S31254 seamless or welded pipe is well-suited for a variety of heat exchanger applications, including desalination, offshore platforms, and process plants. Additionally, these SMO 254 pipes are used in pulp mill bleaching systems, petroleum distillation towers, and flue gas desulfurization scrubbers.
SS 254 SMO Pipe Specification
Grades : EN 1.4547 / UNS S31254 (F44).
Size : 1/8" to 48", Seamless Pipes up to 24".
Outer Diameter : 0.3mm – 10mm.
Thickness : 0.4mm up to 30.00 mm, Schedules 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH.
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Surface Finishing : Bright, Polish & Black.
Origin Standard: American Standard, Russia Standard, Janpanese Standard, European Standard
SHORTEST Possible Delivery: Shutdown / Emergency/ Project Rush Demands
Certification: ISO EN 10204 3.1/ 3.1B/ 3.2, PED, DNV, TUV.
End: Plain End, Beveled End, Threaded
Our SMO 254 Stainless Steel Pipe, conforms to NACE MR0175/ISO 15156.
| 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 |
ASTM A312 UNS S31254 Seamless Duplex Steel Boiler Pipes Mechanical Properties
| 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 |
Product Testing
Inspection and testing terms: Ultrasonic testing, electric non-destructive testing, flaring testing, hydrostatic testing, flattening testing, visual surface inspection, dimensional inspection, tensile properties inspection and chemical elements analysis, Bend test,Hydrostatic, Eddy Current, Heat Treatment, Hardness, Flaring test, I.C.test
ASTM A312 UNS S31254 Seamless Duplex Steel Pipes supplier
Packaging
Protection: 1.Inter paper available 2.PVC protecting film available
Export Packing: Waterproof paper, and steel strip packed. Standard Export,Seaworthy Package.Suit for all kinds of transport,or as required.
Customer visit and sign the order
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