Austenitic steel ASME SA213 · TP321H

Short Description:

TP321H Tube,These tubes are crafted using the premium-grade alloy known as UNS S32109, conforming to international standards including ASTM A213 TP321H. Our tubes are widely used in thermal processing, chemical plants, refineries, and aerospace industries due to their excellent resistance to heat, oxidation, and corrosion.

Tube Grade: TP321H, AISI 321H, EN 1.4878, UNS S32109

Tube Type: Seamless

Tube Form: Straight, U Bend, Cut-to-Length Pieces

Surface Finish: Solution Annealed & Pickled (AP), Bright Annealed (BA), Polished

Standards (ASME/ASTM): ASME SA213, ASTM A213

Standards (EN): EN 10216-5

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Product Detail

Product Tags

TP321H Stainless Steel Tubes, 1.4878 Stainless Steel Tubes

Item	Specification / Details
Stainless Steel Tube	ASME SA213, ASTM A213
Tube Size	1/8″ OD to 5″ OD (6.35 mm to 127 mm)
Thickness Range	0.5 mm – 15 mm
Type	Seamless
Form	Round, U Bend
Length	Single Random, Double Random & Required Length / U Bend
End	Plain End, Beveled End
End Protection	Plastic Caps
Outside Finish	2B, BA, AP, Polished
Delivery Condition	Solution Annealed and Pickled, Bright Annealed, Cold Drawn
Inspection, Test Reports	Mill Test Certificates, EN 10204 3.1, Eddy Current Test, Hydrostatic Test
Packing	Packed in Wooden Boxes, or as per Customers Requests
Specials	Sizes and Specifications other than above can be manufactured on request

TP 321H . UNS S32109 . 1.4878 Chemical Composition

Chemical Composition (in % by mass)

Grade	C	Si (Max.)	Mn (Max.)	P (Max.)	S (Max.)	Cr	Ni	Mo	Ti	N (Max.)	Others
321H	0.04 – 0.10	0.75	2.00	0.045	0.030	17.0 – 19.0	9.0 – 12.0		4x(C+N) – 0.70	0.10
1.4878	0.04 – 0.10	1.00	2.00	0.045	0.015	17.0 – 19.0	9.0 – 12.0		5xC – 0.80	-