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Stainless Steel 904L Pipes & Tubes

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Stainless Steel 904L Pipes & Tubes

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SS 904L Pipes & Tubes of the highest quality are produced, supplied, and exported by Shree Viratra Enterprises, a well-known business in the world. These SS 904L pipes and tubes are created by meticulously using 100 percent pure raw materials and cutting-edge technologies. Furthermore, national and international product quality requirements are taken into account when designing WNR 1.4539 pipes and tubes. We offer the same in a range of sizes, outer diameters, wall thicknesses, types, specifications, schedules, and lengths to satisfy the various demands of our esteemed clients. Additionally, we offer/export UNS N08904 pipes and tubes to our clients in bespoke specifications.
The austenitic stainless steel type is 904L. It has good resistance to localised attacks including crevice corrosion and chloride-induced pitting thanks to the inclusion of molybdenum. Additionally, it has excellent resistance to reducing acids, and the addition of copper increases its general corrosion resistance to a range of sulphuric acid concentrations. Despite having a high level of alloying, the material is nevertheless prone to chloride stress corrosion cracking. IGC is prevented by the low carbon content’s ability to resist sensitization during welding.

904L STAINLESS STEEL PIPES AND TUBES EQUIVALENT GRADES

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

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

What are some frequently asked question about stainless steel 904L Pipe & Tubes.

What is the standard 904L pipe?

The material standards for 904L stainless steel pipes often include ASTM A312, A213, A269, and B677, ensuring adherence to stringent quality and performance requirements. These standards guarantee high-quality construction and corrosion resistance, making 904L pipes ideal for diverse applications in chemical processing, pharmaceuticals, and marine environments.

What is 904L stainless steel Pipe?

904L stainless steel pipe is a highly alloyed, low carbon grade renowned for its resistance to strong acids like sulfuric acid, owing to added copper. Its lower carbon content facilitates the production of AISI 904L welded pipes to ASTM A312 specs, suitable for high-temperature applications. With significant nickel content, ASME SA 312 TP904L pipes excel in elevated conditions, boasting non-magnetic properties and resistance to stress-related corrosion cracking. The presence of molybdenum reduces crevice corrosion, making it ideal for moderate to high-temperature and general corrosion applications. Mechanical tests ensure compliance with ASTM A312 standards, emphasizing proper heat treatment for optimal performance.

Is 904L steel better than 316?

Both Stainless Steel 904L and 316 offer unique advantages. While 904L is non-magnetic and excellently resistant to stress-related corrosion cracking and crevice corrosion due to its molybdenum presence, 316 stands out for retaining strength at higher temperatures longer than Type 304, alongside superior weldability, machinability, and corrosion resistance. The choice depends on specific application requirements, with 904L favoured in corrosive environments and 316 in high-temperature settings with welding needs.

What is the difference between 304L and 904L?

904L stainless steel exceeds 304L in cost and corrosion resistance, boasting superior resistance to pitting, crevice corrosion, and stress corrosion cracking. Additionally, 904L offers better weldability. Despite its higher price, 904L’s enhanced properties make it ideal for applications demanding exceptional corrosion resistance and weldability. This makes it a preferred choice for industries where reliability in corrosive environments is paramount.

What are the benefits of 904L steel?

904L steel boasts exceptional corrosion resistance, surpassing standard austenitic stainless steels like 304 and 316. It excels in acidic and chloride-rich environments, with superior pitting and crevice corrosion resistance. Its high weldability facilitates easy fabrication, while reduced risk of stress corrosion cracking enhances component longevity. Widely used across industries, including chemical processing, oil and gas, pharmaceuticals, and marine environments, 904L steel offers unparalleled durability and reliability.

Specification of Stainless Steel 904L Seamless Welded Pipes And Tubes

Stainless Steel Pipe Specification : ASTM A312, A358 / ASME SA312, SA358
SS Tube Specification : ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
Pipe Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Tube Size : 1/2″ OD to 8″ OD.
Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Type : Seamless / ERW / Welded / Fabricated Pipes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials : Sizes and Specifications other than above can be manufactured on request

Chemical Composition of Stainless Steel 904l Seamless Pipes and Tubes

C	Cr	Cu	Mn	Mo	Ni	P	S
Max			Max			Max	Max
0.02	19.0-23.0	2.0	4.0-5.0	23.0-28.0	0.045	0.035	1.0

C	Cr	Cu	Mn	Mo	Ni	P	S
Max			Max			Max	Max
0.02	19.0-23.0	2.0	4.0-5.0	23.0-28.0	0.045	0.035	1.0

Mechanical Properties of Stainless Steel 904l Seamless Pipes and Tubes

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness Rockwell B (HR B) max	Hardness Brinell (HB) max
904L	490	220	36	70-90 typical	150

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B)	Brinell (HB)
904L	490	220	36	70-90 typical	150

Physical Properties of 904L Stainless Steel Pipes and Tubes


Grade	Density (kg/m3)	Elec Resistivity (nΩ.m)	Mean Co-eff of Thermal Expansion (µm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
Grade	Density (kg/m3)	Elec Resistivity (nΩ.m)	0-100°C	0-315°C	0-538°C	At 20°C	At 500°C	Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
904L	7900	190	15	–	–	11.5	–	500	952

Grade	Density (kg/m³)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (µm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
Grade	Density (kg/m³)	Elastic Modulus (GPa)	0-100°C	0-315°C	0-538°C	At 20°C	At 500°C	Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
904L	7900	190	15	–	–	11.5	–	500	952

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