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Stainless Seamless Instrumentation / General Service Tubing

The depth and breadth of inventory required to fulfill all your seamless tubing needs

Commonly referred to as instrumentation tubing, fractional tubing, heat exchanger tubing, condenser tubing, boiler tubing, super heater tubing, or general service tubing, this type of tubing is used throughout many industries and end-use markets. 

Some of the these markets and industries include:  energy, automotive, aerospace, chemical, medical, pharmaceutical, aerospace, agriculture, and other industrial markets. Dover Tubular Alloys maintains a vast inventory of seamless tubing in a wide variety of pedigrees, surface conditions, tempers, and surface conditions. Our company not only focuses on the “core sizes” that the “other guys” inventory but also the “in between” sizes and product grades that are not available from many other supply partners within the country.

Product Range

OD Range: 1/16″ to 12″

Wall Range: 0.010″ to 0.188″

Product Grades

304/L (UNS S30400/S30403)

316/L (UNS S31600/S31603)

310S/H (UNS S31008/S31009)

317L (UNS S31703)

Nickel 400 (UNS N04400)

Duplex 2205 (UNS S32205/S31803)

Specifications & Compliance

300 Series: ASTM A213 / ASTM A269 / ASME SA213 AW

Duplex 2205: ASTM A789 / ASME SA789

Nickel 400: ASTM B163 / B165 & ASME SB163 / SB165

NACE MR0103/MR0175 / PED / RoHS / ISO / EN10204 3.1

Dover Tubular specializes in both seamless domestic and import seamless tubing procured from Tier A mills throughout the world.