Austenitic steel ASME SA249 · TP304

Short Description:

The versatile chromium nickel stainless steel is mainly used in heat exchangers, boilers, superheaters, and condensers. With temperatures of up to 400°C this grade shows excellent toughness and good resistance to general corrosion. Furthermore, this grade is suitable for TIG, MAG and manual arc welding procedures.

Tube Grade: TP304, AISI 304, EN 1.4301, UNS S30400

Tube Type: Welded

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

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

Standards (ASME/ASTM): ASME SA249, ASTM A249

Standards (EN): EN 10217-7

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Product Detail

Product Tags

TP304 Stainless Steel Tubes, 1.4301 Stainless Steel Tubes

Item	Specification / Details
Stainless Steel Tube	ASME SA249, ASTM A249
Tube Size	1/8″ OD to 5″ OD sizes
Thickness Range	0.3mm – 10 mm (SCH 5S, SCH 10S, SCH 40S)
Type	Welded (ERW / EFW / TIG Welded)
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
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 304 . UNS S30400 . 1.4301 Chemical Composition

Chemical Composition (in % by mass)

Grade	C (Max.)	Si (Max.)	Mn (Max.)	P (Max.)	S (Max.)	Cr	Ni	Mo	Ti	N	Others
304	0.08	1.00	2.00	0.045	0.030	18.0 – 20.0	8.0 – 11.0
1.4301	0.07	1.00	2.00	0.045	0.015	17.5 – 19.5	8.0 – 10.5			0.10

TP 304 . UNS S30400 . 1.4301 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
304	205		515	35	90	Solution Annealed
1.4301	195	230	500 – 700	40		Solution Annealed