ASTM A789 Duplex steel S31803 tube

Brand Name:TORICH
Model Number:ASTM A 789 ASME SA 789
Delivery Time:35-45days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Place of Origin:CHINA
Packaging Details:In wooden boxes or hexagonal bundles in seaworthy packing
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Location: Ningbo Zhejiang China
Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Supplier`s last login times: within 42 hours
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Product Details

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
NiCrMoNCuOthers
S318030.0320.030.0214.5-6.521.0-23.02.5-3.50.08-0.20. . .. . .
S322050.0320.030.0214.5-6.522-233.0-3.50.14-0.20. . .. . .
S315000.031.20-2.000.030.031.40-2.04.3-5.218-192.5-3.00.05-0.10. . .. . .
S325500.041.50.040.0314.5-6.524-272.9-3.90.10-0.251.50-2.50. . .
S312000.0320.0450.0315.5-6.524-261.-2.00.14-0.20. . .. . .
S312600.0310.030.030.755.5-7.524-262.5-3.50.10-0.300.20-0.80W 0.10-0.50
S320010.034.0-6.00.040.0311.0-3.019.5-21.50.60.05-0.171.00 max. . .
S323040.032.50.040.0413.0-5.521.5-24.50.05-0.600.05-0.200.05-0.60. . .
S327500.031.20.0350.020.86.0-8.024-263.0-5.00.24-0.320.50max. . .
S327600.0510.030.0116.0-8.024-263.0-4.00.20-0.300.50-1.00W 0.50-1.00
S329500.0320.0350.010.63.5-5.226-291.0-2.50.15-0.35. . .. . .
S325200.031.50.0350.020.85.5-8.023-253.0-5.00.20-0.350.8. . .

Heat Treatment Requirements

UNS
Designation
TemperatureQuench
S318031870-2010 °F [1020-1100°C]Rapid cooling in air or water
S322051870-2010 °F [1020-1100°C]Rapid cooling in air or water
S315001800-1900 °F [980-1040°C]Rapid cooling in air or water
S325501900 °F [1040°C] minRapid cooling in air or water
S312001920-2010 °F [1050-1100°C]Rapid cooling in water
S312601870-2010 °F [1020-1100°C]Rapid cooling in water
S320011800-1950 °F [982-1066°C]Rapid cooling in air or water
S323041700-1920 °F [925-1050°C]Rapid cooling in air or water
S327501880-2060 °F [1025-1125°C]Rapid cooling in air or water
S327602010-2085 °F [1100-1140°C]Rapid cooling in air or water
S329501820-1880 °F [990-1025°C]Rapid cooling in water
S325201975-2050 °F [1080-1120°C]Rapid cooling in air or water

Tensile Requirements

GradeTensile strength, min, ksi [MPa]Yield strength, min ksi [MPa]Elongation in 2 in., or 50mm, min,%Hardness, Max
Brinell
S3180390 [620]65 [450]25290
S3220595 [655]70 [485]25290
S3150092 [630]64 [440]30290
S32550110 [760]80 [550]15297
S31200100 [690]65 [450]25280
S31260100 [690]65 [450]25290
S3200190 [620]65 [450]25290
S32304100 [690]65 [450]25290
S32750116 [800]80 [550]15310
S32760109 [750]80 [550]25300
S32950100 [690]70 [480]20290
S32520112 [770]80 [550]25310

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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.
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ASTM A789 Duplex steel S31803 tube

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