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ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube

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ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube

Brand Name:	Yuhong
Model Number:	Seamless Tube
MOQ:	1 PC
Price:	Negotiable
Packaging Details:	Ply-Wooden Case & Woven Bag
Payment Terms:	TT, LC

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

ABS, BV, DNV, CCS, LR

Material:

S31803

Standard:

ASME SA789

Ends:

PE , BE

Testing:

HT , ET

Size:

1/2 Inch - 98 Inch

Application:

Heat Exchanger

Supply Ability:

10000 Tons/Month

Highlight:

ASME SA789 Stainless Steel Heat Exchanger Tube

S31803 Stainless Steel Heat Exchanger Tube

finned pipe heat exchanger 620MPa

Product Description

ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube

Grade S31803 is a duplex stainless steel, it has a mixed microstructure of austenite and ferrite phases, typically in a 50/50 ratio. This combination provides enhanced strength and resistance to stress corrosion cracking compared to standard austenitic stainless steels. S31803 is known for its excellent performance in highly corrosive environments, particularly those containing chlorides and other aggressive chemicals.

Chemical Composition:

Grade	C	Mn	Si	P	S	Cr	Ni	Mo	N	Fe
S31803	≤ 0.03%	≤ 2.00%	≤ 1.00%	≤ 0.03%	≤ 0.02%	21.00-23.00%	4.50-6.50%	2.50-3.50%	0.08-0.20%	Balance

Mechanical Properties:

Grade

Tensile Strength

Yield Strength

Elongation

Hardness

S31803

Minimum 620 MPa (90,000 psi)

Minimum 450 MPa (65,000 psi)

25% minimum in

50 mm

≤ 290 HB

(Brinell Hardness)

Key Features:

High Strength: Approximately twice the yield strength of austenitic stainless steels.
Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride environments.
Weldability: Good weldability with proper technique and post-weld treatment.
Durability: High mechanical strength and toughness, even at low temperatures.

Applications:

1. Chemical Processing Industry

Heat Exchangers: Used in heat exchangers where aggressive chemicals are processed, ensuring high performance and longevity.
Reactors and Pressure Vessels: Suitable for reactors and pressure vessels dealing with highly corrosive substances.
Piping Systems: Ideal for piping systems that transport aggressive chemicals at high pressures and temperatures.

2. Oil and Gas Industry

Offshore Platforms: Suitable for offshore oil rigs and platforms where exposure to seawater and corrosive environments is common.
Subsea Equipment: Used in subsea equipment due to its excellent resistance to stress corrosion cracking and pitting.
Refinery Equipment: Ideal for components in refineries that process sour gas and other corrosive substances.

3. Marine Applications

Shipbuilding: Used in marine environments where components are exposed to seawater and must resist corrosion.
Seawater Cooling Systems: Suitable for seawater cooling systems due to its high resistance to chloride-induced corrosion.
Desalination Plants: Ideal for desalination plant tubing where high resistance to pitting and crevice corrosion is necessary.

ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube 0

Tags:

Products Details

Home > Products >

Heat Exchanger Tube

ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube

All Category

ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube

Brand Name:	Yuhong
Model Number:	Seamless Tube
MOQ:	1 PC
Price:	Negotiable
Packaging Details:	Ply-Wooden Case & Woven Bag
Payment Terms:	TT, LC

Detail Information

Product Description

Detail Information

Place of Origin:

China

Brand Name:

Yuhong

Certification:

ABS, BV, DNV, CCS, LR

Model Number:

Seamless Tube

Material:

S31803

Standard:

ASME SA789

Ends:

PE , BE

Testing:

HT , ET

Size:

1/2 Inch - 98 Inch

Application:

Heat Exchanger

Minimum Order Quantity:

1 PC

Price:

Negotiable

Packaging Details:

Ply-Wooden Case & Woven Bag

Delivery Time:

5 - 60 Days

Payment Terms:

TT, LC

Supply Ability:

10000 Tons/Month

Highlight:

ASME SA789 Stainless Steel Heat Exchanger Tube

S31803 Stainless Steel Heat Exchanger Tube

finned pipe heat exchanger 620MPa

Product Description

ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube

Chemical Composition:

Grade	C	Mn	Si	P	S	Cr	Ni	Mo	N	Fe
S31803	≤ 0.03%	≤ 2.00%	≤ 1.00%	≤ 0.03%	≤ 0.02%	21.00-23.00%	4.50-6.50%	2.50-3.50%	0.08-0.20%	Balance

Mechanical Properties:

Grade

Tensile Strength

Yield Strength

Elongation

Hardness

S31803

Minimum 620 MPa (90,000 psi)

Minimum 450 MPa (65,000 psi)

25% minimum in

50 mm

≤ 290 HB

(Brinell Hardness)

Key Features:

High Strength: Approximately twice the yield strength of austenitic stainless steels.
Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride environments.
Weldability: Good weldability with proper technique and post-weld treatment.
Durability: High mechanical strength and toughness, even at low temperatures.

Applications:

1. Chemical Processing Industry

Heat Exchangers: Used in heat exchangers where aggressive chemicals are processed, ensuring high performance and longevity.
Reactors and Pressure Vessels: Suitable for reactors and pressure vessels dealing with highly corrosive substances.
Piping Systems: Ideal for piping systems that transport aggressive chemicals at high pressures and temperatures.

2. Oil and Gas Industry

Offshore Platforms: Suitable for offshore oil rigs and platforms where exposure to seawater and corrosive environments is common.
Subsea Equipment: Used in subsea equipment due to its excellent resistance to stress corrosion cracking and pitting.
Refinery Equipment: Ideal for components in refineries that process sour gas and other corrosive substances.

3. Marine Applications

Shipbuilding: Used in marine environments where components are exposed to seawater and must resist corrosion.
Seawater Cooling Systems: Suitable for seawater cooling systems due to its high resistance to chloride-induced corrosion.
Desalination Plants: Ideal for desalination plant tubing where high resistance to pitting and crevice corrosion is necessary.

ASME SA789 S31803 Duplex Stainless Steel Heat Exchanger Tube 0

Tags:

Studded Tube

Solid Fin Tube

Serrated Finned tube

Embedded G Fin Tube

Extruded Fin Tube

Wound Fin Tube

Low Fin Tube

Square Fin Tube

Longitudinal Finned Tube

Enhanced Heat Transfer Tube

Fin Tube Support

Return Bend

Heat Exchanger Tube

Stainless Steel Heat Exchanger Tube

Duplex Stainless Steel Heat Exchanger Tube

Super Duplex Stainless Steel Heat Exchanger Tube

Nickel Alloy Steel Heat Exchanger Tube

Copper Alloy Steel Heat Exchanger Tube

Titanium Alloy Steel Heat Exchanger Tube

Alloy Steel Heat Exchanger Tube

U Bend Heat Exchanger Tube

Carbon Steel Heat Exchanger Tubes

Boiler Tube

Nickel Alloy Steel Boiler Tube

Stainless Steel Boiler Tube

Duplex Stainless Steel Boiler Tube

Alloy Steel Boiler Tube

Carbon Steel Boiler Tube

Fired Heater Parts

Baffle Plate

Tubesheet

Studded Tube

Solid Fin Tube

Serrated Finned tube

Embedded G Fin Tube

Extruded Fin Tube

Wound Fin Tube

Low Fin Tube

Square Fin Tube

Longitudinal Finned Tube

Enhanced Heat Transfer Tube

Fin Tube Support

Return Bend

Heat Exchanger Tube

Stainless Steel Heat Exchanger Tube

Duplex Stainless Steel Heat Exchanger Tube

Super Duplex Stainless Steel Heat Exchanger Tube

Nickel Alloy Steel Heat Exchanger Tube

Copper Alloy Steel Heat Exchanger Tube

Titanium Alloy Steel Heat Exchanger Tube

Alloy Steel Heat Exchanger Tube

U Bend Heat Exchanger Tube

Carbon Steel Heat Exchanger Tubes

Boiler Tube

Nickel Alloy Steel Boiler Tube

Stainless Steel Boiler Tube

Duplex Stainless Steel Boiler Tube

Alloy Steel Boiler Tube

Carbon Steel Boiler Tube

Fired Heater Parts

Baffle Plate

Tubesheet

products details

Studded Tube

Solid Fin Tube

Serrated Finned tube

Embedded G Fin Tube

Extruded Fin Tube

Wound Fin Tube

Low Fin Tube

Square Fin Tube

Longitudinal Finned Tube

Enhanced Heat Transfer Tube

Fin Tube Support

Return Bend

Heat Exchanger Tube

Stainless Steel Heat Exchanger Tube

Duplex Stainless Steel Heat Exchanger Tube

Super Duplex Stainless Steel Heat Exchanger Tube

Nickel Alloy Steel Heat Exchanger Tube