Stainless Steel Seamless Pipe N08904 / 1.4539 Duplex Stainless Steel ASTM A312

• Type: Stainless Steel Pipes
• Standard: ASTM
• Grade: 904L
• Certification: ISO, AISI, ASTM, GB, EN, DIN
• Shape: Round
• Technique: Cold Rolled
• Model NO.: N08904
• Surface Treatment: Pickling and Annealing
• Transport Package: Plywood Case, Knitting Strips
• Specification: OD: 1/2"--40", WT: 10S--XXS
• Origin: China
• HS Code: 7304419000
• Production Capacity: 15000tons/Year

Product Description

Product Description

 

Chemical Composition

Grade	C	Mn	P	S	Si	Cr	Ni	Mo	Cu	Fe
UNS N08904	≤0.02	≤2.0	≤0.04	≤0.03	≤1.0	19.0-23.0	23.0-28.0	4.0-5.0	1.2-2.0	Balance&≥39.5

Mechanical Properties

Material	Form and Condition	Tensile Strength Ksi(MPa)	Yield Strength Ksi(MPa)	Elongation 4D(%)	Hardness Brinell/Vickers	Hardness Rockwell
904L	Annealed	≥71(490)	≥31(215)	≥35	≤ 192HBW/200HV	≤ 90HRB

Standard

Pipe Seamless	ASTM A312
Pipe Welded	ASTM A358,ASTM B673
Tube Seamless	ASTM A269
Tube Welded	EN 10217-7,EN 10296-2,ASTM A249,ASTM A269,ASTM B674

Applications

• Chloride containing environments
• Heat exchanger tubes
• Pipe systems within
• Chemical and Petrochemical
• Hydrometallurgy

Material Summary

Our SS 904L Pipes & Tubes are now widely used in a variety of industrial uses. Heat exchangers, condensers, piping systems, pulp and paper industry, petrochemicals, pharmaceuticals, specialised chemicals, chemical industry, building, power production, gas processing, oil processing, constructions, seawater applications, and buildings are just a few examples.

SS 904L Pipes & Tubes has a variety of characteristics. Tensile strength, yielding strength, weldability, rugged construction, toughness, anti-corrosive body; high-temperature application, higher pressure, excellent surface finishes, long functionality, and so on.

FAQ

 

Are you a factory or a trading company?

We are a company with two mill and one warehouse,produce Stainless Steel/(Super)Duplex Steel/ Nickel Alloy seamless tube&pipes.
But we also can provide welded stainless steel pipes and pipe fittings, coils, sheets, bar, plates etc. if you need. Because we know this market well

Do you have any certificate?

We have approvals of ISO9001:2015,ISO14001:2015,ISO45001:2018, BV Ocean& Offshore Ship Classification Societies, GOST, TUV, PED AD2000 etc.
And will get ABS/NORSOK/DNV/CU-TR(EAC) soon.

What is your delivery time?

It mainly depends on your demanded volume and material grade. The time of delivery is usually around0.5- 1 month(1*40HT as usual).
We can send it out in 5 days if it has stock.

What is your payment terms?

Our usual payment term is 30% deposit and the rest against B/L. L/C is also acceptable. And the shipping terms are EXW,FOB, CFR,CIF.Whichever you like.

How can you guarantee the quality of my goods?

All material are 100% PMI tested and measured before shipping. We also accept third part inspection andEN10204.3.1B Mill test certificate for all materials.

How do you make our business long-term and good relationship?

1.We keep good quality and competitive price to ensure our customers benefit.
2. We respect every customer and we sincerely do business with them, sustain our service level before and after every deal.