Austenitic steel ASME SA269 · TP321

Short Description:

ASME SA269 TP321 specification is used for general corrosion resisting and high or low temperature service. These tubes have high durability and they can withstand elevated temperatures without losing strength. The SA269 Tubings are cost effective because of their low maintenance and long service life. They are available in heat treated conditions and comes with various finishes.

Tube Grade: TP321, AISI 321, EN 1.4541, UNS S32100

Tube Type: Seamless / Welded

Tube Form: Straight Tubing, Coiled Tubing, Cut-to-Length Pieces

Surface Finish: Annealed & Pickled (AP), Bright Annealed (BA), Mechanical Polished, Electropolished (EP)

Standards (ASME/ASTM): ASME SA269, ASTM A269

Standards (EN): EN 10216-5，EN 10217-7

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Product Detail

Product Tags

TP321 Stainless Steel Tubing, 1.4541 Stainless Steel Tubing

Item	Specification / Details
Stainless Steel Tube	ASME SA269, ASTM A269
Tube Size	1/16″ OD to 5″ OD (1.59 mm to 127 mm)
Thickness Range	0.4 mm – 12.7 mm
Type	Seamless & Welded
Form	Round, Coiled, Cut-to-Length
Length	Single Random, Double Random & Custom Cut Lengths
End	Plain End, Beveled End
End Protection	Plastic Caps
Outside Finish	AP (Annealed & Pickled), BA (Bright Annealed), MP (Mechanical Polished), EP (Electro-polished)
Delivery Condition	Solution Annealed and Pickled, Bright Annealed
Inspection, Test Reports	Mill Test Certificates, EN 10204 3.1, Flaring Test, Flange Test, Hydrostatic or Nondestructive Electric Test
Packing	Packed in Wooden Crates, Plastic Bundles, or as per Customers Requests
Specials	Custom sizes and precision instrumentation tubing available upon request

TP 321 . UNS S32100 . 1.4541 Chemical Composition

Chemical Composition (in % by mass)

Grade	C (Max.)	Si (Max.)	Mn (Max.)	P (Max.)	S (Max.)	Cr	Ni	Mo	Ti	N (Max.)	Others
321	0.08	0.75	2.00	0.040	0.030	17.0 – 19.0	9.0 – 12.0		5x(C+N) – 0.70	0.10
1.4541	0.08	1.00	2.00	0.045	0.015	17.0 – 19.0	9.0 – 12.0		5xC – 0.70	-

TP 321 . UNS S32100 . 1.4541 Mechanical Property

Mechanical Property & Heat Treatment

Grade	Rp 0.2 Mpa (Min.)	Rp 1.0 Mpa (Min.)	Rm Mpa (Min. – Max.)	A (%) (Min.)	Hardness (HRB) (Max.)	Heat Treatment
321	205		515	35	90	Solution Annealed (Min. 1040°C)
1.4541	190	220	500 – 730	30		Solution Annealed