Austenitic steel ASME SA312 · TP304 Stainless Steel Pipe

Short Description:

The versatile chromium nickel stainless steel is mainly used in the food industry, chemical industry and the petroleum industry. 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.

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

Pipe Type: Seamless, Welded (ERW/EFW)

Pipe Form: Straight, Cut-to-Length Pieces, Custom Spools

Surface Finish: Solution Annealed & Pickled, Bright Annealed, Polished (Grit 180, 240, 320, 400)

Standards (ASME/ASTM): ASME SA312, ASTM A312

Standards (EN): EN 10217-7，EN 10216-5

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Austenitic Steel SA312 TP304 Stainless Steel Pipes

Item	Specification / Details
Stainless Steel Pipe	ASTM A312, A358 / ASME SA312, SA358
Pipe Size	1/8” NB to 24” NB, 1/4” OD to 32” OD sizes
Thickness Range	0.3mm – 50 mm, SCH 5, SCH 10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type	Seamless / Welded
Form	Round
Length	Single Random, Double Random & Required Length
End	Plain End, Beveled End
End Protection	Plastic Caps
Outside Finish	2B, BA, AP
Delivery Condition	Annealed and Pickled, Bright Annealed, Cold Drawn
Inspection, Test Reports	Mill Test Certificates, EN 10204 3.1
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