Flowone is a premier worldwide supplier for Nickel Alloy Flanges needs.

Our ability to provide Nickel Alloy Flanges on a project basis is one of our strongest capabilities and is unmatched in our industry.

Turnarounds or outages, planned retrofits or emergency situations, grassroots projects worldwide; Flowone 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.

Nickel Alloy Flanges
Trade Name UNS# Flanges
Alloy® 20 N08020 B/SB462A/SA182F20
NIckel 200 N02200 B/SB564
Nickel 201 N02201 ———-
Monel®400 N04400 B/SB564
Inconel®600 N06600 B/SB564
Inconel®625 N06625 B/SB564
Incoloy®800 N08800 B/SB564
Incoloy®800H N08810 B/SB564
Incoloy®800HT N08811 B/SB564
Incoloy®825 N08825 B/SB564


Work Scope

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.


Review of Procurement Requirements:

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.

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.

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.

If you want to see more, Please contact to us.