904L/1.4539 Stainless Steel Pipe

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904L/1.4539 Stainless Steel Pipe

● Min. Order: 1 Ton
● FOB Port: Shanghai
● Payment Terms: Telegraphic Transfer (T/T)
● Country of Origin: China (mainland)
● Available Price Term:
① EXW China ② FOB China Port ③ CIF/CFR Destination Port etc.

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DESCRIPTION

904L stainless steel Pipe (UNS N08904/EN 1.4539) is a high alloy austenitic stainless steel with a core composition of 19-23% chromium, 23-28% nickel, 4-5% molybdenum, and added copper (1-2%). Compared with 321/321H, 904L achieves superior corrosion resistance through its ultra-high molybdenum and copper content, especially resistant to sulfuric acid, phosphoric acid, and chloride corrosion, making it suitable for extreme environments such as chemical engineering, seawater treatment, and petroleum extraction.

Specification

International Standard	ASTM, AISI, JIS, ISO, EN, DIN, BS
Outer Diameter	1/8″ – 80″ , DN6 – DN2000 , 10.3mm – 2032mm
Wall Thickness	Sch 10, 40, 80, 160 &XXH
Tube Type	Seamless or Welded(PLASMA+TIG)
Surface Finish	Polishing, Annealing, Pickling, Bright
Technical Treatment	Cold Rolled, Hot Rolled
Mill Test Certificate(MTC)	EN10204 3.1
Test Content	Flange & Flaring Test,Reverse Flattening Test, Roughness Test, Hydrostatic/Pneumatic Test, Eddy Current Test (NDT), Surface Finish Verification, Dimensional Inspection, Material Certification
Certificate	TUV ISO 9001:2015 , PED 2014/68/EU , AD 2000-WO DIN EN ISO 9606-1 , DIN EN ISO 14732 Welder Certificate EN ISO 9712 NDT Personnel Certificate EN ISO 15613 WPQR

Chemical Composition %

GRADE	C	Mn	P	S	Si	Ni	Cr	Mo	Cu
904L	0.02	2.00	0.045	0.035	1.00	23-28	19-23	4-5	1-2

Mechanical Propertoes

	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation Longitudinal (%)	Hardness(HR B)
904L	490	205	36	70-90 typical

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