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ASTM A790/ASME SA 790 UNS S31803 pipe

Duplex S31803 Pipe, Duplex SA 790 S31803 Pipes, Duplex Steel S31803 Pipes Stockist, Duplex Steel UNS S31803 Pipes, Duplex S31083 Seamless Pipes, Duplex Stainless Steel S31803 Pipes, Duplex Steel UNS S31803 Tube, Duplex Steel UNS S31803 Tubes.

ASTM A790 UNS S31803 pipe is an imperishable alternative with excellent flexibility. These pipes are considered one of the most ductile and strong pipes in the metal industry. We at Calico Metal Alloys provide these pipes at a very nominal price, and we manufacture these products using high superior quality raw material. 

Duplex S31803 pipes are highly used for commercial and industrial purposes, and these pipes are used for transferring harmful chemicals, fluids, and gases from one place to another. ASTM A790/ASME SA 790 UNS S31803 pipes are enriched with great weldability and strength. The grade provides excellent flexibility and durability. 

Chemical composition: 

The chemical composition of ASME SA790 UNS S31803 pipes includes a high amount of chromium, nickel, and molybdenum. These elements are known for providing strength and malleability to the grade. ASTM A790/ASME SA 790 UNS S31803 grade also includes elements like silicon, sulfur, manganese, nitrogen, phosphorus, etc., to provide stability to the grade. 

Pipes are generally used for transferring and diverting the flow. These pipes are available in various types and grades. Duplex Steel UNS S31803 pipes have a remarkable ability to withstand high heat pressure and bad weather conditions. These pipes are highly recommended in most industries because of their extraordinary capabilities. The grade provides excellent resistance from corrosion, crevice corrosion, and stress cracking, and it also protects from rusting, reduction, and erosion. 



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Characteristics

  • High resistance to chloride stress corrosion cracking
  • Resistance to chloride pitting and crevice corrosion
  • Good general corrosion resistance
  • Good sulfide stress corrosion resistance
  • High Strength
  • Good weldability and workability

Applications

  • Chemical process vessels, piping and heat exchangers
  • Pulp mill digesters, bleach washers, chip pre-steaming vessels
  • Food processing equipment
  • Oil field piping and heat exchangers
  • Flue gas desulfurization equipment

Standard Specification For Duplex Steel S31803 Pipe


Standard : ASTM A790 / ASME SA790

Size : ½” to 6” NB Sch 10s, 40s, & 80s, 160s

Thickness : 0.1 - 60 mm

Length : 5 to 7 mtr & 10 to 12 mtr

Surface Finish : Cold Finish, Bright, Polished, Annealing, Pickling, etc.

Shapes : Round, Square, Rectangle, Box Section.

Types : Seamless, Welded, ERW, EFW

Swg & Bwg: 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.

Chemical Composition

C N P Si Mn Mo Fe Cr S Ni
1.0 0.03 0.02 2.0 3.0 - 3.5 22.0 - 23.0 0.03 4.5 - 6.5 0.14 - 0.2 Bal

Mechanical Properties

Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi - 80000 , MPa - 550 Psi - 116000 , MPa - 800 15 %

Physical Properties

Grade Density
(kg/m3)
Elastic
Modulus
(GPa)
Mean Co-eff of Thermal
Expansion (μm/m/°C)
Thermal
Conductivity (W/m.K)
Specific
Heat
0-100°C
( J/kg.K)
Electrical
Resistivity
(nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
UNS S31803 782 190 13.7 14.2 19 418 850

Size Chart

OD
mm
WT
mm
in. Sch Kg/m
13.72 2.24 1/4 40S 0.64
13.72 3.02 1/4 80S 0.81
13.72 1.65 1/4 10S 0.50
17.15 1.65 3/8 10S 0.64
17.15 2.31 3/8 40S 0.86
17.15 3.20 3/8 80S 1.12
21.34 2.11 1/2 10S 1.02
21.34 2.77 1/2 40S 1.29
21.34 3.73 1/2 80S 1.65
26.67 2.11 3/4 10S 1.30
26.67 2.87 3/4 40S 1.71
26.67 3.91 3/4 80S 2.23
33.40 2.77 1 10S 2.13
33.40 3.38 1 40S 2.54
33.40 4.55 1 80S 3.29
33.40 6.352) 1 160 4.30
42.16 2.77 10S 2.73
42.16 3.56 40S 3.44
42.16 4.85 80S 4.53
42.16 6.352) 160 5.69
48.26 2.77 10S 3.16
48.26 3.68 40S 4.11
48.26 5.08 80S 5.49
60.33 2.77 2 10S 3.99
60.33 3.91 2 40S 5.52
60.33 5.54 2 80S 7.60
60.33 8.742) 2 160 11.29
73.03 3.05 10S 5.35
73.03 5.16 40S 8.77
73.03 7.01 80S 11.59
88.90 5.49 3 40S 11.47
88.90 7.62 3 80S 15.51
88.90 11.132) 3 160 21.67
88.90 3.05 3 10S 6.56
101.60 5.74 40S 13.78
101.60 3.05 10S 7.53
101.60 8.08 80S 18.92
114.30 3.05 4 10S 8.50
114.30 6.02 4 40S 16.32
114.30 8.56 4 80S 22.67
114.30 13.492) 4 160 34.05
141.30 6.55 5 40S 22.10
141.30 9.53 5 80S 31.44
141.30 15.882) 5 160 49.87
168.28 3.4 6 10S 14.04
168.28 7.11 6 40S 28.69
168.28 10.97 6 80S 43.21
168.28 14.27 6 120 54.75
168.28 18.262) 6 160 68.59
219.08 8.18 8 40S 43.20
219.08 12.7 8 80S 65.63
219.08 18.23 8 120 91.30
219.08 23.012) 8 160 112.97

We Export:

Calico Metal Ind Pvt Ltd exports their products to Mumbai, Delhi, Bangalore, Ahmedabad, Chennai, Kolkata, Surat, Pune, Hyderabad, Lucknow, Bhopal, Jaipur, Visakhapatnam, Patna, Vadodara, Nagpur, Indore, Thane, Ranchi, Coimbatore, Aurangabad, Tamilnadu, Ludhiana, Dhanbad, Lucknow, Howrah, Raipur, Chandigarh, Guwahati, Bhubaneswar, Vietnam, South Africa, Kazakhstan & Saudi Arabia.

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