What is Stainless Steel 904L Pipes?

stainless steel 904L pipes are fabricated from low-carbon nickel-chromium alloys and are exceptionally resistant to the effects of welding, without Fear of localized corrosion because of the precipitation of carbides. At Metcore Alloys, we are one of the reliable manufacturer, supplier, exporter, and stockist of stainless steel 904L pipes in various types and sizes.

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It is also known that these pipes contain additions to the basic nickel and chromium composition at 23% and 19%, respectively, by including molybdenum 4%, carbon, manganese, silicon, and a touch of nitrogen 0.1% for improved mechanical properties, such as corrosion resistance and mechanical strength. The yield strength of the 904L pipes is reportedly 220 MPa, while the tensile strength is 490 MPa, hence solidly durable and tough material with a hardness rating of 70-90 Rockwell B.

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These pipes follow the standards set by ASTM B673, and its sizes depend on the standards established by ASTM, ASME, and API. Seamless pipes range from ½ inch to 16 inches, ERW pipes pan up to ½ inch to 24 inches, and electric fusion welded pipes go up as big as 100 inches. The ASTM B677 UNS N08904 ERW Pipes, larger diameter pipes are available in schedules from SCH 20 all the way to XXS. Seamless, welded, fabricated, ERW, and LSAW are the types of ASTM B677 UNS N08904 ERW Pipes manufactured. The Stainless Steel 904L Pipes are made available with plain, beveled, or threaded ends for various welding purposes.

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904L is a highly alloyed, non-stabilized, low-carbon austenitic stainless steel alloyed with copper addition and gives it exceptionally good resistance to strong reducing acids, like sulfuric acid. The low carbon provides that AISI 904L Welded Pipes, made up of ASTM A312 specifications, are used effectively in high-temperature applications. The presence of the higher content of nickel in ASME SA 312 TP904L pipes is excellent for performance in higher temperature conditions.

The addition of molybdenum in these pipes imparts resistance to stress corrosion cracking and is non-magnetic, while offering further protection against crevice-type corrosion. As a result of these properties, this pipe is very suitable for applications both at moderate and high temperatures, besides the general needs for corrosion resistance. For more information about sizes available, types, and prices of UNS N08904 Seamless Pipes.

Material Specification of Stainless Steel 904L Pipes

Specifications	ASTM B673, B677 / ASME SB673, SB 677
Dimensions	ASTM, ASME and API
SS 904L Pipes	1/2″ NB – 16″ NB
ERW 904L Pipes	1/2″ NB – 24″ NB
EFW 904L Pipes	6″ NB – 100″ NB
Size	1/8″NB TO 30″NB IN
Specialized in	Large Diameter Size
Schedule	SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type	Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form	Round, Square, Rectangular, Hydraulic Etc
Length	Single Random, Double Random & Cut Length.
End	Plain End, Beveled End, Treaded

Eqivalent grades Of Stainless Steel 904L Pipes

STANDARD	WERKSTOFF NR.	UNS	JIS	KS	BS	AFNOR	EN
SS 904L	1.4539	N08904	SUS 904L	STS 317J5L	904S13	Z2 NCDU 25-20	X1NiCrMoCu25-20-5

Chemical Composition Of Stainless Steel 904L Pipes

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
904L	0.08	2.0	0.75	0.045	0.030	18.0-20.0	–	8.0-10.5	0.10

Mechanical Composition of Stainless Steel 904L Pipes

Carbon	Phosphorous	Manganese	Sulphur	Silicon	Copper	Nickel	Molybdenum	Chromium	Nitrogen
0.02	0.040	2.00	0.030	1.00	1.00-2.00	23.0-28.0	4.00-5.00	19.0-23.0	0.10

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