ASME SB677/ASTM B677 TP904L/NO8904 Stainless Steel

Product Details
Place of Origin: China, USA, Korea
Brand Name: TONG CHUANG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: ASME SB677 / ASTM B677 TP904L
Payment & Shipping Terms
Minimum Order Quantity: 500KGS
Price: Negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: Depends on quantity
Payment Terms: T/T, L/C AT SIGHT
Supply Ability: 100 tons per month

SKU: 69 Category:
Standard:ASTM B677 / ASME SB677Certification:ABS， GL， DNV， NK， PED， AD2000， GOST9941-81， CCS， ISO 9001-2008
NDT:ET， UT， HTType:Seamless， Welded
Surface:Pickling AnnealedApplications:Chemical Processing/Pharmaceutical Industry/Power Generation
High Light:

ASME SB677 Stainless Steel Pipe

，

ASTM B677 Stainless Steel Pipe

，

Stainless Steel Pipe UNS NO8904

ASME SB677/ASTM B677 TP904L/NO8904 Stainless Steel

 

 

Overview

 

B677 TP904L refers to the ASTM B677 specification for seamless and welded tubes made from TP904L， which is a high-alloy austenitic stainless steel grade. TP904L offers excellent corrosion resistance， high strength， and good formability， making it suitable for various applications. Here are some key points about B677 TP904L:

  • Corrosion Resistance: TP904L is highly resistant to various corrosive environments， including sulfuric acid， phosphoric acid， and chloride-containing solutions. This makes B677 TP904L tubes suitable for applications in industries such as chemical processing， petrochemical， and offshore environments.
  • Heat Resistance: TP904L exhibits good heat resistance， allowing it to withstand high temperatures without losing its mechanical properties. This makes B677 TP904L tubes suitable for applications in heat exchangers， boilers， and other high-temperature environments.
  • Seamless and Welded Tubes: The B677 specification covers both seamless and welded tubes made from TP904L. Seamless tubes offer higher strength and are generally preferred for critical applications， while welded tubes are more cost-effective and suitable for less demanding applications.
  • Size Range: B677 TP904L tubes are available in various sizes and dimensions， ranging from small diameters to larger sizes， depending on the specific requirements of the application.
  • Standards and Testing: B677 TP904L tubes are manufactured in accordance with the ASTM B677 specification and undergo various tests to ensure quality and compliance. These tests may include chemical analysis， mechanical properties testing， non-destructive testing (such as ultrasonic or eddy current testing)， and visual inspection.
  • Application Areas: B677 TP904L tubes find applications in industries such as chemical processing， petrochemical， oil and gas， pharmaceuticals， desalination plants， power generation， and more. They are used in heat exchangers， condensers， pipelines， and other components that require corrosion resistance and high strength.

When considering B677 TP904L tubes for a specific application， it's important to consult with industry professionals or engineers who can provide guidance on material compatibility， design considerations， and installation techniques to ensure optimal performance and longevity.

Chemical Composition

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

Cu

904L

min.
max.

–
0.020

–
2.00

–
1.00

–
0.045

–
0.035

19.0
23.0

4.0
5.0

23.0
28.0

1.0
2.0

Mechanical Properties

Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B)

Brinell (HB)

TP904L

490

220

35

70-90 typical

–

Rockwell Hardness value range is typical only; other values are specified limits.

Physical Properties

Grade

Density
(kg/m3)

Elastic Modulus
(GPa)

Mean Co-eff of Thermal Expansion (m/m/C)

Thermal Conductivity
(W/m.K)

Specific Heat 0-100C
(J/kg.K)

Elec Resistivity
(n.m)

0-100C

0-315C

0-538C

At 20C

At 500C

904L

8000

200

15

–

–

13

–

500

850

Equivalent grades of TP904L

Grade

UNS No

Old British

Euronorm

Swedish SS

Japanese JIS

BS

En

No

Name

TP904L

N08904

904S13

–

1.4539

X1NiCrMoCuN25-20-5

2562

–

These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Supplementary Testing: 

  • Eddy Current Testing
  • O.P Testing
  • Radiography Testing
  • Corrosion Testing
  • Micro Testing
  • Macro Testing
  • IGC Testing
  • Ultrasonic testing
  • Liquid Penetrate testing

Applications

  • Typical applications include
  • Processing plant for sulphuric， phosphoric and acetic acids
  • Pulp and paper processing
  • Components in gas scrubbing plants
  • Seawater cooling equipment
  • Oil refinery components
  • Wires in electrostatic precipitators

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