Nickel Flanges

Incoloy®, Alloy 20®, Monel® 400, Inconel®, Nickel 200, Nickel 201 - Alloy Flanges

U.S. Metals is a Premier Worldwide Supplier for All Your Nickel Flange Needs.

Our Nickel Flange inventory is unsurpassed and is considered one of the most extensive chrome inventories in the world!
Turnarounds or outages, planned retrofits or emergency situations, grassroots projects worldwide; U.S. Metals has the experienced staff to assist you on all of your specialty alloy requirements, no matter how detailed the specification, no matter how difficult the situation.
New industry requirements, not an issue. We work closely with agencies like EPRI along with our utility and refining clients to be on the cutting edge of new industry requirements that affect your high energy/high temperature piping systems.

Our inventory is evolving to meet the new specifications that prevent current issues as creep cracking and hardness problems.



  • The three specifications listed provide the requirements for manufacture of a variety of forged items, including flanges to industry standards such as ASME B16.5 or non-standard dimensions.

    These alloys are primarily selected for use in high temperature and/or corrosive environments.

    Incoloy alloys 800H and 800HT are utilized in high temperature services where resistance to creep and rupture is required.
  • These three specifications each have their own requirement for ordering material.

    A/SA182: Refers to the guidelines in Common Requirements Specification A/SA961, along with addressing any options offered in A/SA182 and any purchaser requirement for manufacturing drawings for approval.

    B/SB462:
    Lists these minimum suggested requirements for placement of an order:
    1) Quantity.
    2) Alloy name or UNS number.
    3) Drawing, if required.
    4) Forging sectioning, if required.
    5) ASTM Specification and year of issue.
    6) Any purchaser inspection requirements.
    7) Any supplementary requirements.

    B/SB564:
    Lists these minimum suggested requirements for placement of an order:
    1) Alloy name (UNS number)
    2) Heat treatment condition.
    3) Quantity.
    4) Certification/test report requirements.
    5) Purchaser requirement for Check Analysis samples, if any.
    6) Purchaser source inspection requirements, if any.

Information provided in this page is in accordance with the 2013 Edition of the ANNUAL BOOK OF ASTM STANDARDS.
Refer to ASME B & PV Section II for non-identical A/SA requirements