904L Stainless Steel Pipe & Tube

Short Description:

Standard: JIS AISI ASTM GB DIN EN BS

Grade: 201, 202, 301, 302, 303, 304, 304L, 310S, 316, 316L, 321, 410, 410S, 420,430, 904L, etc

Technique: Spiral welded, ERW, EFW, Seamless, Bright annealing, etc

Tolerance: ± 0.01%

Processing service: bending, welding, decoiling, punching, cutting

Section shape: round, rectangular, square, hex,oval, etc

Surface finish: 2B 2D BA No.3 No.1 HL No.4 8K

Price term: FOB,CIF,CFR,CNF,EXW

Payment term: T/T, L/C

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Overview of 904L Stainless Steel Pipe

904L stainless steel consists of chromium, nickel, molybdenum and copper contents, these elements give type 904L stainless steel excellent properties to resist corrosion in dilute sulfuric acid because of addition of copper, 904L commonly is used in high pressure and corrosion environment where 316L and 317L perform poorly. 904L has high nickel composition with low carbon content, copper alloy adding improve its resistance to corrosion, the “L” in 904L stands for low carbon, it is typical Super Austenitic stainless steel, equivalent grades are DIN 1.4539 and UNS N08904, 904L has better properties than other austenitic stainless steels.

Specification of 904L Stainless Steel Pipe

Material	Alloy 904L 1.4539 N08904 X1NiCrMoCu25-20-5
Standards	ASTM B/ASME SB674 / SB677, ASTM A312/ ASME SA312
Seamless Tube Size	3.35 mm OD To 101.6 mm OD
Welded Tube Size	6.35 mm OD To 152 mm OD
Swg & Bwg	10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
Schedule	SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
wall thickness	0.020" –0.220", (special wall thicknesses available)
Length	Single Random, Double Random, Standard & Cut length
Finish	Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Pipe Form	Straight, Coiled, Square Pipes/ Tubes, Rectangular Pipe/ Tubes, Coiled Tubes, Round Pipes/ Tubes, “U” Shape for heat exchangers, Hydraulic Tubes, Pan Cake Coils, Straight or ‘U’ bent Tubes, Hollow, LSAW Tubes Etc.
Type	Seamless, ERW, EFW, Welded, Fabricated
End	Plain End, Beveled End, Treaded
Delivery time	10-15 days
Export to	Ireland,Singapore,Indonesia,Ukraine,SaudiArabia,Spain,Canada,USA,Brazil,Thailand,Korea,Italy,India,Egypt,Oman,Malaysia,Kuwait,Canada,VietNam,Peru,Mexico,Dubai, Russia,etc
Package	Standard export seaworthy package,or as required.

SS 904L Tubing Mechanical Properties

Element	Grade 904L
Density	8
Melting Range	1300 -1390 ℃
Tensile Stress	490
Yield Stress (0.2%Offset)	220
Elongation	35% minimum
Hardness (Brinell)	-

SS 904L Tube Chemical Composition

AISI 904L	Maximum	Minimum
Ni	28.00	23.00
C	0.20	-
Mn	2.00	-
P	00.045	-
S	00.035	-
Si	1.00	-
Cr	23.0	19.0
Mo	5.00	4.00
N	00.25	00.10
CU	2.00	1.00

904L SS ASTM B677 Equivalent

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	KS	AFNOR	EN
SS 904L	1.4539	N08904	SUS 890L	904S13	STS 317J5L	Z2 NCDU 25-20	X1NiCrMoCu25-20-5

904L Stainless Steel Pipe Properties

l Excellent resistance to stress corrosion cracking due to the presence of high amounts of nickel content.

l Pitting and crevice corrosion, intergranular corrosion resistance.

l Grade 904L is less resistant to nitric acid.

l Excellent formability, toughness and weldability, due to low carbon composition, it can be welded using any standard method, 904L cannot be hardened by heat treatment.

l Non-magnetic, 904L is an Austenitic stainless steel, therefor 904L possesses Austenitic structure properties.

l Heat Resistance, Grade 904L stainless steels offer good oxidation resistance. However, the structural stability of this grade collapses at high temperatures, particularly above 400°C.

l Heat Treatment, Grade 904L stainless steels can be solution heat-treated at 1090 to 1175°C, following by rapid cooling. Thermal treatment is suitable for hardening these grades.