Chrome Moly Alloy Heater Tubes

T91, T22, T5, T11, T9, T92 ( ASTM A213 & ASME SA213 ) - Alloy Heater Tubes

U.S. Metals is a premier worldwide supplier for all your Chrome Moly Alloy A213 / SA213 Heater Tubes needs.

Our Chrome Alloy Heater Tube 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.



  • Trade Name 
    Grade
    UNS #
    Heater Tubes
    1 1/4 Chrome 
    T11
    K11597 
    A213 / SA213
    2 1/4 Chrome 
    T22
    K21590 
    A213 / SA213
    5 Chrome 
    T5
    K41545 
    A213 / SA213
    9 Chrome 
    T9
    K90941
    A213 / SA213
    T91
    T91
    K90901
    A213 / SA213
    T92
    T92
    K92460
    A213 / SA213
  • This specification covers minimum and average wall seamless ferritic alloy tubes usually furnished with a 1/8 inch inside diameter up to a 5 inch outside diameter. Other diameters may be furnished, provided that all other requirements of this specification sre met. The wall thickness, either average or minimum, is normally available up to 0.500 inches, inclusive.
It shall be the responsibility of the purchaser to specify all necessary requirements. Such requirements to be considered include, but are not limited to, the following:

  • Quantity (feet, metres, or number of lengths)
  • Name of material (seamless tubes)
  • Grade
  • Condition (hot finished or cold finished)
  • Controlled structural characteristics
  • Size (outside diameter and minimum wall thickness, unless average wall thickness is specified)
    • Length (specific or random)
    • Hydrostatic Test or Nondestructive Electric Test
    • Increased sulfur (for machinability)
    • Specification designation and year of issue
    • Special requirements and any supplementary requirements selected
Information provided in this page is in accordance with the 2013 Edition of the ANNUAL BOOK OF ASTM STANDARDS
Refer to ASME B & PV Code Section II for non-identical A/SA requirements.