ASTM A182 F51 / S31803 DUPLEX STEEL PIPE FITTING 180 DEGREE ELBOW
Standard: ASME / ANSI B16.9 , B16.28, ASTM A815, ASTM A403, DIN2605, DIN 2609, DIN 2615, etc
Material: Stainless Steel, Duplex Steel, etc
Size Range:
Seamless type: 1/2"48", DN15-DN50000
Welded type: 1/2-20", DN15-DN1200
Process Method:Cold Forming
Tolerances : according to the specification or customer's request and drawings
Standard: ASME / ANSI B16.9 , B16.28, ASTM A815, ASTM A403, DIN2605, DIN 2609, DIN 2615, etc
Material: Stainless Steel, Duplex Steel, etc
Size Range:
Seamless type: 1/2"48", DN15-DN50000
Welded type: 1/2-20", DN15-DN1200
Process Method:Cold Forming
Tolerances : according to the specification or customer's request and drawings
Standard: ASME / ANSI B16.9 , B16.28, ASTM A815, ASTM A403, DIN2605, DIN 2609, DIN 2615, etc
Material: Stainless Steel, Duplex Steel, etc
Size Range:
Seamless type: 1/2"48", DN15-DN50000
Welded type: 1/2-20", DN15-DN1200
Process Method:Cold Forming
Tolerances : according to the specification or customer's request and drawings
The ASTM A182 F51 / S31803 Duplex Steel Pipe Fitting 180 Degree Elbow is designed for high-performance applications in corrosive and high-pressure environments. Manufactured from A182 material, this duplex stainless steel combines both austenitic and ferritic properties, providing a balance of strength and corrosion resistance superior to standard stainless steels.
The ASTM A182 standard ensures the elbow fitting meets stringent mechanical and durability requirements, offering excellent performance even under extreme temperatures and pressures. The duplex structure of F51 / S31803 further enhances its resilience, providing higher tensile strength while minimizing the risk of material fatigue.
Beyond its mechanical properties, the ASTM A182 F51 180-degree elbow is also valued for its cost-effectiveness. It offers a long service life with minimal maintenance, making it a practical choice for projects requiring durability and efficiency. Its versatility and resistance to chloride-induced corrosion make it a go-to solution for critical piping systems.
ASTM A182 Chemical Composition
Grade |
C (%) |
Cr (%) |
Ni (%) |
Mo (%) |
N (%) |
F51/S31803 |
≤0.030 |
21-23 |
4.5-6.5 |
2.5-3.5 |
0.08-0.20 |
F53/S32750 |
≤0.030 |
24-26 |
6-8 |
3.0-5.0 |
0.24-0.32 |
ASTM A182 Heat Treatment and Corrosion Resistance
Grade |
Heat Treatment Requirement |
Corrosion Resistance Summary |
TP304 |
1040°C min., Water Quenching |
Good general corrosion resistance |
TP304L |
1010°C min., Rapid Cooling |
Better resistance to intergranular corrosion due to low carbon content |
TP316 |
1040°C min., Water Quenching |
Superior resistance to pitting and crevice corrosion, especially in chloride environments |
TP316L |
1010°C min., Rapid Cooling |
Enhanced resistance to intergranular corrosion compared to standard TP316 due to low carbon |
ASTM A182 Mechanical Properties
Grade |
Yield Strength (MPa) |
Tensile Strength (MPa) |
Elongation (%) |
F51/S31803 |
≥450 |
≥620 |
≥25 |
F53/S32750 |
≥550 |
≥795 |
≥25 |
ASTM A182 Material Dimensions
Nominal Pipe Size |
Outside Diameter (mm) |
Thickness (mm) |
Bore Diameter (mm) |
Hub Diameter (mm) |
Length Through Hub (mm) |
1/2 |
90 |
9.6 |
15.8 |
46 |
22 |
3/4 |
100 |
11.2 |
20.9 |
51 |
27 |
1 |
110 |
12.7 |
26.6 |
54 |
34 |
1 1/4 |
115 |
14.3 |
35.1 |
56 |
43 |
1 1/2 |
125 |
15.9 |
40.9 |
60 |
49 |
2 |
150 |
17.5 |
52.5 |
62 |
61 |
2 1/2 |
180 |
20.7 |
62.7 |
68 |
75 |
Specifications
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Oil & gas industry , chemical industry , electric power , boiler and heat exchanger , machinery metallurgy , sanitary construction etc .
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1.High technology
2.Good surface
3.High quality etc
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We offer product with tolerance complies with the norm (Specific tolerance requirement is possible. Please contact our sales specialists.)