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ASTM A789 Duplex steel S31803 tube

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ASTM A789 Duplex steel S31803 tube

Brand Name : TORICH

Model Number : ASTM A 789 ASME SA 789

Place of Origin : CHINA

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Delivery Time : 35-45days

Packaging Details : In wooden boxes or hexagonal bundles in seaworthy packing

Product Name : ASTM A789 Duplex steel S31803 tube

Type : Seamless

Alloy Or Not : Non-alloy

Section Shape : Round

Application : For Boilers,Superheaters,Steam Linepipes Of Boilers

Keyword : Duplex Stainless Steel Pipe

Grade : ASTM A 789 ASME SA 789

Standard : ASTM A789/A789M, ASME SA789

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ASTM A789 Duplex steel S31803 tube

ASTM A789 /A789M Covers Grades of nominal wall thickness, stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.

Chemical Composition

UNS
Designation		 Composition, %
C
Max		 Mn
max		 P
max		 S
max		 Si
max		 Ni Cr Mo N Cu Others
S31803 0.03 2 0.03 0.02 1 4.5-6.5 21.0-23.0 2.5-3.5 0.08-0.20 . . . . . .
S32205 0.03 2 0.03 0.02 1 4.5-6.5 22-23 3.0-3.5 0.14-0.20 . . . . . .
S31500 0.03 1.20-2.00 0.03 0.03 1.40-2.0 4.3-5.2 18-19 2.5-3.0 0.05-0.10 . . . . . .
S32550 0.04 1.5 0.04 0.03 1 4.5-6.5 24-27 2.9-3.9 0.10-0.25 1.50-2.50 . . .
S31200 0.03 2 0.045 0.03 1 5.5-6.5 24-26 1.-2.0 0.14-0.20 . . . . . .
S31260 0.03 1 0.03 0.03 0.75 5.5-7.5 24-26 2.5-3.5 0.10-0.30 0.20-0.80 W 0.10-0.50
S32001 0.03 4.0-6.0 0.04 0.03 1 1.0-3.0 19.5-21.5 0.6 0.05-0.17 1.00 max . . .
S32304 0.03 2.5 0.04 0.04 1 3.0-5.5 21.5-24.5 0.05-0.60 0.05-0.20 0.05-0.60 . . .
S32750 0.03 1.2 0.035 0.02 0.8 6.0-8.0 24-26 3.0-5.0 0.24-0.32 0.50max . . .
S32760 0.05 1 0.03 0.01 1 6.0-8.0 24-26 3.0-4.0 0.20-0.30 0.50-1.00 W 0.50-1.00
S32950 0.03 2 0.035 0.01 0.6 3.5-5.2 26-29 1.0-2.5 0.15-0.35 . . . . . .
S32520 0.03 1.5 0.035 0.02 0.8 5.5-8.0 23-25 3.0-5.0 0.20-0.35 0.8 . . .

Heat Treatment Requirements

UNS
Designation		 Temperature Quench
S31803 1870-2010 °F [1020-1100°C] Rapid cooling in air or water
S32205 1870-2010 °F [1020-1100°C] Rapid cooling in air or water
S31500 1800-1900 °F [980-1040°C] Rapid cooling in air or water
S32550 1900 °F [1040°C] min Rapid cooling in air or water
S31200 1920-2010 °F [1050-1100°C] Rapid cooling in water
S31260 1870-2010 °F [1020-1100°C] Rapid cooling in water
S32001 1800-1950 °F [982-1066°C] Rapid cooling in air or water
S32304 1700-1920 °F [925-1050°C] Rapid cooling in air or water
S32750 1880-2060 °F [1025-1125°C] Rapid cooling in air or water
S32760 2010-2085 °F [1100-1140°C] Rapid cooling in air or water
S32950 1820-1880 °F [990-1025°C] Rapid cooling in water
S32520 1975-2050 °F [1080-1120°C] Rapid cooling in air or water

Tensile Requirements

Grade Tensile strength, min, ksi [MPa] Yield strength, min ksi [MPa] Elongation in 2 in., or 50mm, min,% Hardness, Max
Brinell
S31803 90 [620] 65 [450] 25 290
S32205 95 [655] 70 [485] 25 290
S31500 92 [630] 64 [440] 30 290
S32550 110 [760] 80 [550] 15 297
S31200 100 [690] 65 [450] 25 280
S31260 100 [690] 65 [450] 25 290
S32001 90 [620] 65 [450] 25 290
S32304 100 [690] 65 [450] 25 290
S32750 116 [800] 80 [550] 15 310
S32760 109 [750] 80 [550] 25 300
S32950 100 [690] 70 [480] 20 290
S32520 112 [770] 80 [550] 25 310

Product Pictures:

ASTM A789 Duplex steel S31803 tube

ASTM A789 Duplex steel S31803 tube

Company Introduction:

ASTM A789 Duplex steel S31803 tube

Packaging and Delivery:

FAQ:

Q: Are you trading company or manufacturer?

A: We are a professional steel pipes materials manufacturer.

Q: How long is your delivery time?

A: Generally it takes 7-14 days if the goods are in stock or 30-60 days if there is no stock, this mainly depends on quantity.

Q: Do you provide free sampleas?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.











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