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YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application

2025-09-17

YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application

Fired Heater Standard: ISO 13705 , API 560

Heater Type
1	Topping and Vacuum Heaters
2	Reactor Charge Heaters
3	Column Reboiler Heaters
4	Splitter Reboiler Heaters
5	Stabilizer Reboiler Heaters
6	Fractionator Reboiler Heaters
7	Hot Oil Heaters
8	Hydrotreating Heaters
9	Hydrodesulphurization Heaters
10	Hydrofiner Heaters
11	Catalytic Reforming Heaters
12	Fluid Catalytic Cracking Heaters
13	Visbreaking Heaters
14	Regeneration Gas Heaters
15	Steam Superheater

Table 1—Extended Surface Materials
Material	Studs		Fins
	Maximum Tip Temperature		Maximum Tip Temperature
	°C	°F	°C	°F
Carbon steel	510	950	454	850
2¹/4Cr-1Mo, 5Cr-¹/2Mo	593	1100	549	1000
11-13Cr	649	1200	593	1100
18Cr-8Ni stainless steel	815	1500	815	1500
25Cr-20Ni stainless steel	982	1800	982	1800

Material

ASTM Specifications

Pipe

Tube

Carbon steel

A53, A106 Gr B

A192, A210 Gr A-1

Carbon-¹/2Mo

A335 Gr P1

A209 Gr T1

1¹/4Cr-¹/2Mo

A335 Gr P11

A213 Gr T11

2¹/4Cr-1Mo

A335 Gr P22

A213 Gr T22

3Cr-1Mo

A335 Gr P21

A213 Gr T21

5Cr-¹/2Mo

A335 Gr P5

A213 Gr T5

5Cr-¹/2Mo-Si

A335 Gr P5b

A213 Gr T5b

9Cr-1Mo

A335 Gr P9

A213 Gr T9

9Cr-1Mo-V

A335 Gr P91

A213 Gr T91

18Cr-8Ni

A312, A376, TP 304, TP 304H, and TP 304L

A213, TP 304, TP 304H, and TP 304L

16Cr-12Ni-2Mo

A312, A376, TP 316, TP 316H, and TP 316L

A213, TP 316, TP 316H, and TP 316L

18Cr-10Ni-3Mo

A312, TP 317, and TP 317L

A213, TP 317, and TP 317L

18Cr-10Ni-Ti

A312, A376, TP 321, and TP 321H

A213, TP 321, and TP 321H

18Cr-10Ni-Nb ^a

A312, A376, TP 347, and TP 347H

A213, TP 347, and TP 347H

Nickel alloy 800 H/800 HT ^b

B407

25Cr-20Ni

A608 Gr HK40

A213 TP 310H

^a Niobium (Nb) was formerly called columbium (Cb).
^b Minimum grain size shall be ASTM #5 or coarser.

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YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application

2025-09-17

YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application

Fired Heater Standard: ISO 13705 , API 560

Heater Type
1	Topping and Vacuum Heaters
2	Reactor Charge Heaters
3	Column Reboiler Heaters
4	Splitter Reboiler Heaters
5	Stabilizer Reboiler Heaters
6	Fractionator Reboiler Heaters
7	Hot Oil Heaters
8	Hydrotreating Heaters
9	Hydrodesulphurization Heaters
10	Hydrofiner Heaters
11	Catalytic Reforming Heaters
12	Fluid Catalytic Cracking Heaters
13	Visbreaking Heaters
14	Regeneration Gas Heaters
15	Steam Superheater

Table 1—Extended Surface Materials
Material	Studs		Fins
	Maximum Tip Temperature		Maximum Tip Temperature
	°C	°F	°C	°F
Carbon steel	510	950	454	850
2¹/4Cr-1Mo, 5Cr-¹/2Mo	593	1100	549	1000
11-13Cr	649	1200	593	1100
18Cr-8Ni stainless steel	815	1500	815	1500
25Cr-20Ni stainless steel	982	1800	982	1800

Material

ASTM Specifications

Pipe

Tube

Carbon steel

A53, A106 Gr B

A192, A210 Gr A-1

Carbon-¹/2Mo

A335 Gr P1

A209 Gr T1

1¹/4Cr-¹/2Mo

A335 Gr P11

A213 Gr T11

2¹/4Cr-1Mo

A335 Gr P22

A213 Gr T22

3Cr-1Mo

A335 Gr P21

A213 Gr T21

5Cr-¹/2Mo

A335 Gr P5

A213 Gr T5

5Cr-¹/2Mo-Si

A335 Gr P5b

A213 Gr T5b

9Cr-1Mo

A335 Gr P9

A213 Gr T9

9Cr-1Mo-V

A335 Gr P91

A213 Gr T91

18Cr-8Ni

A312, A376, TP 304, TP 304H, and TP 304L

A213, TP 304, TP 304H, and TP 304L

16Cr-12Ni-2Mo

A312, A376, TP 316, TP 316H, and TP 316L

A213, TP 316, TP 316H, and TP 316L

18Cr-10Ni-3Mo

A312, TP 317, and TP 317L

A213, TP 317, and TP 317L

18Cr-10Ni-Ti

A312, A376, TP 321, and TP 321H

A213, TP 321, and TP 321H

18Cr-10Ni-Nb ^a

A312, A376, TP 347, and TP 347H

A213, TP 347, and TP 347H

Nickel alloy 800 H/800 HT ^b

B407

25Cr-20Ni

A608 Gr HK40

A213 TP 310H

^a Niobium (Nb) was formerly called columbium (Cb).
^b Minimum grain size shall be ASTM #5 or coarser.

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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

news details

Company news about YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application

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YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application

Company news about-YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application

News

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YUHONG GROUP ASTM A403 WP321H-S Buttweld Return Bend 180 degree, SR ,Fired Heater and Tube Coil Application