ASTM B675-22

Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloy Welded Pipe

ABSTRACT
This specification covers UNS N08367 welded pipes for general corrosion applications. The chemical composition, dimensions and mechanical properties for the welded pipes should be in accordance with those contained in this document and other ASTM documents specified herein.
SCOPE
1.1 This specification covers UNS N083672 welded pipe for general corrosion applications.  
1.2 Specification B775 lists the dimensions of welded stainless steel pipe as shown in ANSI B36.19. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 30-Sep-2022
• ICS: 23.040.15 - Non-ferrous metal pipes
• Technical Committee: B02 - Nonferrous Metals and Alloys
• Drafting Committee: B02.07 - Refined Nickel and Cobalt and Their Alloys

Relations

• Refers: ASTM B899-16 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Oct-2016
• Refers: ASTM B899-15 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Oct-2015
• Refers: ASTM B775-15 - Standard Specification for General Requirements for Nickel and Nickel Alloy Welded Pipe
• Effective Date: 01-Oct-2015
• Refers: ASTM B899-14 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Oct-2014
• Refers: ASTM B775-13 - Standard Specification for General Requirements for Nickel and Nickel Alloy Welded Pipe
• Effective Date: 01-Feb-2013
• Refers: ASTM B899-13 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Feb-2013
• Refers: ASTM B899-09 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Oct-2009
• Refers: ASTM B899-09e1 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Oct-2009
• Refers: ASTM B775-08 - Standard Specification for General Requirements for Nickel and Nickel Alloy Welded Pipe
• Effective Date: 01-Apr-2008
• Refers: ASTM B899-06 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Dec-2006
• Refers: ASTM B899-05 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Nov-2005
• Refers: ASTM B899-04 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-May-2004
• Refers: ASTM B899-03a - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 01-Nov-2003
• Refers: ASTM B899-03 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 10-Jun-2003
• Refers: ASTM B899-02 - Standard Terminology Relating to Non-ferrous Metals and Alloys
• Effective Date: 10-Oct-2002

Overview

ASTM B675-22: Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloy Welded Pipe sets requirements for welded pipes made from UNS N08367 alloy, used in general corrosion applications. Published by ASTM International, this standard specifies chemical composition, mechanical properties, dimensions, test methods, and ordering guidelines for these corrosion-resistant alloy pipes. The document emphasizes compliance with referenced ASTM standards and globally recognized practices for standardization.

Key Topics

• Material Coverage:

  • Applicable to welded pipes produced from flat-rolled UNS N08367 alloy, known for superior corrosion resistance.
  • Includes details on manufacturing processes such as automatic welding and subsequent cold working and solution treatment.

• Classification of Pipe:

  • Class 1: Each piece undergoes hydrostatic, pneumatic, eddy current, or ultrasonic testing.
  • Class 2: Each piece is hydrostatically or pneumatically tested plus additional electric (eddy current or ultrasonic) tests.

• Chemical and Mechanical Properties:

  • Requires strict adherence to specified ranges for elements like chromium, nickel, molybdenum, and nitrogen for optimal performance.
  • Mechanical tests must confirm minimum yield strength, tensile strength, and elongation according to the standard.

• Testing Requirements:

  • Mandates flattening and nondestructive testing to assess weld integrity and pipe soundness.
  • Pressure tests or non-destructive electric tests are essential for quality assurance.

• Dimensional Standards:

  • Refers to ASTM B775 and ANSI B36.19 for standard pipe dimensions, with allowance for customer-specified alternatives provided all standard criteria are met.

• Ordering Information:

  • Purchasers must specify alloy grade, ASTM designation, dimensions, class, quantity, required certifications, analytical samples, and inspection requirements if witnessing tests.

Applications

Iron-nickel-chromium-molybdenum alloy welded pipe manufactured under ASTM B675-22 is widely used in industries and settings where high resistance to general corrosion is essential. Common applications include:

• Chemical Processing:

  • Piping systems transporting corrosive chemicals.
  • Equipment exposed to aggressive fluids and process environments.

• Petrochemical Industries:

  • Oil and gas processing facilities requiring durability in fouling and corrosive conditions.
  • Refineries and offshore installations.

• Marine Environments:

  • Desalination plants.
  • Shipbuilding and components exposed to saltwater.

• Power Generation:

  • Boiler tubes and piping systems subjected to fluctuating high temperatures and corrosive agents.

By following ASTM B675-22, manufacturers and end-users ensure reliable performance and safety in critical infrastructure requiring welded nickel alloy pipes.

Related Standards

For effective compliance and procurement, users of ASTM B675-22 should be aware of several related ASTM and industry standards:

• ASTM B775: General Requirements for Nickel and Nickel Alloy Welded Pipe - outlines dimensional and generic requirements referenced by B675.
• ASTM B899: Terminology Relating to Non-Ferrous Metals and Alloys - provides definitions for terms used in this and related standards.
• ANSI B36.19: Standard for Welded and Seamless Wrought Stainless Steel Pipe - referenced for standard pipe dimensions.

Familiarity with these standards helps ensure seamless specification, procurement, and quality verification of alloy welded pipes according to best practices for corrosion-resistant piping systems.

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Keywords: ASTM B675-22, iron-nickel-chromium-molybdenum alloy, UNS N08367 welded pipe, corrosion-resistant pipe, alloy pipe standards, ASTM pipe specification.

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B675 −22
Standard Specification for
Iron-Nickel-Chromium-Molybdenum Alloy Welded Pipe
This standard is issued under the fixed designation B675; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 3. Terminology
1.1 This specification covers UNS N08367 welded pipe for 3.1 Terms defined in Terminology B899 shall apply unless
general corrosion applications. otherwise defined in this standard.
1.2 Specification B775 lists the dimensions of welded stain-
4. General Requirement
less steel pipe as shown in ANSI B36.19. Pipe having other
4.1 Material furnished in accordance with this specification
dimensions may be furnished provided such pipe complies
shall conform to the applicable requirements of the current
with all other requirements of this specification.
edition of Specification B775 unless otherwise provided
1.3 The values stated in inch-pound units are to be regarded
herein.
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
5. Classification
and are not considered standard.
5.1 Class 1—Welded, cold worked, solution treated, and
1.4 This standard does not purport to address all of the
each piece of each lot subjected to one of the following four
safety concerns, if any, associated with its use. It is the
tests: hydrostatic, pneumatic (air underwater), eddy current, or
responsibility of the user of this standard to become familiar
ultrasonic.
with all hazards including those identified in the appropriate
5.2 Class 2—Welded, cold worked, solution treated, and
Safety Data Sheet (SDS) for this product/material as provided
each piece of each lot leak tested (hydrostatic or pneumatic)
by the manufacturer, to establish appropriate safety, health,
plus electric tested (eddy current or ultrasonic).
and environmental practices, and determine the applicability
of regulatory limitations prior to use.
6. Ordering Information
1.5 This international standard was developed in accor-
6.1 It is the responsibility of the purchaser to specify all
dance with internationally recognized principles on standard-
requirements that are necessary for material ordered under this
ization established in the Decision on Principles for the
specification. Examples of such requirements include, but are
Development of International Standards, Guides and Recom-
not limited to, the following:
mendations issued by the World Trade Organization Technical
6.1.1 Alloy name or UNS number,
Barriers to Trade (TBT) Committee.
6.1.2 ASTM designation and year of issue,
2. Referenced Documents
6.1.3 Dimensions:
6.1.3.1 Pipe size,
2.1 ASTM Standards:
6.1.3.2 Length (specific or random),
B775 Specification for General Requirements for Nickel and
6.1.4 Class (see Section 5),
Nickel Alloy Welded Pipe
6.1.5 Quantity (feet or number of pieces),
B899 Terminology Relating to Non-ferrous Metals and Al-
6.1.6 Certification—State if certification is required,
loys
6.1.7 Samples for Product (Check) Analysis—State whether
samples for product (check) analysis should be furnished, and
This specification is under the jurisdiction of ASTM Committee B02 on
6.1.8 Purchaser Inspection—If the purchaser wishes to
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
witness tests or inspection of material at the place of
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved Oct. 1, 2022. Published November 2022. Originally
manufacture, the purchase order must so state indicating which
approved in 1980. Last previous edition approved in 2018 as B675 – 02 (2018).
tests or inspections are to be witnessed.
DOI: 10.1520/B0675-22.
Designation established in accordance with Practice E527 and SAE J1086,
7. Material and Manufacture
Practice for Numbering Metals and Alloys (UNS).
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7.1 Pipe shall be made from flat-rolled alloy by an auto-
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
matic welding process with no addition of filler metal. Subse-
Standards volume information, refer to the
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B675 − 02 (Reapproved 2018) B675 − 22
Standard Specification for
UNS N08367Iron-Nickel-Chromium-Molybdenum Alloy
Welded Pipe
This standard is issued under the fixed designation B675; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Scope*
1.1 This specification covers UNS N08367 welded pipe for general corrosion applications.
1.2 Specification B775 lists the dimensions of welded stainless steel pipe as shown in ANSI B36.19. Pipe having other dimensions
may be furnished provided such pipe complies with all other requirements of this specification.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet
(SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental
practices, and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standards:
B775 Specification for General Requirements for Nickel and Nickel Alloy Welded Pipe
B899 Terminology Relating to Non-ferrous Metals and Alloys
3. Terminology
3.1 Terms defined in Terminology B899 shall apply unless otherwise defined in this standard.
4. General Requirement
4.1 Material furnished in accordance with this specification shall conform to the applicable requirements of the current edition of
Specification B775 unless otherwise provided herein.
This specification is under the jurisdiction of ASTM Committee B02 on Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee B02.07 on Refined
Nickel and Cobalt and Their Alloys.
Current edition approved Nov. 1, 2018Oct. 1, 2022. Published November 2018November 2022. Originally approved in 1980. Last previous edition approved in 20132018
as B675 – 02 (2013).(2018). DOI: 10.1520/B0675-02R18.10.1520/B0675-22.
Designation established in accordance with Practice E527 and SAE J1086, Practice for Numbering Metals and Alloys (UNS).
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B675 − 22
5. Classification
5.1 Class 1—Welded, cold worked, solution treated, and each piece of each lot subjected to one of the following four tests:
hydrostatic, pneumatic (air underwater), eddy current, or ultrasonic.
5.2 Class 2—Welded, cold worked, solution treated, and each piece of each lot leak tested (hydrostatic or pneumatic) plus electric
tested (eddy current or ultrasonic).
6. Ordering Information
6.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under this
specification. Examples of such requirements include, but are not limited to, the following:
6.1.1 Alloy name or UNS number,
6.1.2 ASTM designation and year of issue,
6.1.3 Dimensions:
6.1.3.1 Pipe size,
6.1.3.2 Length (specific or random),
6.1.4 Class (see Section 5),
6.1.5 Quantity (feet or number of pieces),
6.1.6 Certification—State if certification is required,
6.1.7 Samples for Product (Check) Analysis—State whether samples for product (check) analysis should be furnished, and
6.1.
...