Stainless Steel Welded Pipe
TP347, TP347H, TP321, TP321H, TP317L, TP316, TP316H, TP316L, TP304, TP304H, TP304L
( ASTM A312/A358 & ASME SA312/SA358 ) - Welded Pipe
U.S. Metals is a premier worldwide supplier for all your Stainless Steel Welded Pipe A312 / SA312 needs.
Our Stainless Steel Welded Pipe inventory is unsurpassed and is considered one of the most extensive stainless steel 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 stainless steel 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 NameGradeUNS #Welded Pipe
(without Filler Metal)Welded Pipe
(with Filler Metal)
304TP304S30400A312 / SA312A358 / SA358 304LTP304LS30403A312 / SA312A358 / SA358 304HTP304HS30409A312 / SA312A358 / SA358 316TP316S31600A312 / SA312A358 / SA358 316LTP316LS31603A312 / SA312A358 / SA358 316HTP316HS31609A312 / SA312A358 / SA358 321TP321S32100A312 / SA312A358 / SA358 321HTP321HS32109A312 / SA312A358 / SA358 347TP347S34700A312 / SA312A358 / SA358 347HTP347HS34709A312 / SA312A358 / SA358 317LTP317LS31703A312 / SA312A358 / SA358 Materials in industry standard designations: 5S, 10S, 40S, 80S per B36.19
Special customer designated nominal and minimum wall thicknesses can also be furnished.
Non standard OD & ID are available.
A/SA312 prohibits the use of filler metal in welded pipe. A/SA358 requires the use of filler metal in welded pipe.
These specifications cover straight-seam welded pipe intended for high temperature and / or corrosive services. Specifications A/SA312 include the requirements for manufacture of heavily cold worked pipe.
Optional supplementary requirements are provided for pipe in these specifications for inclusion in the order. They address items such as additional testing and heat treatment.
Standard dimensions of welded stainless steel pipe are shown in ANSI B36.19. These dimensions are also applicable to heavily cold worked pipe. Pipe having other dimensions is permitted to be ordered and furnished provided such pipe complies with all other requirements of this specification.
- Orders for material to Specifications A/SA312 shall conform to the requirements of the current edition of Specification A999/A999M. Paragraph 4 of Specifications A/SA358 provides the requirements for ordering material.
Refer to ASME B & PV Section II for non-identical A/SA requirements