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ASME SB677 TP904L / UNS N08904 Stainless Steel Seamless Pipe Application

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ASME SB677 TP904L / UNS N08904 Stainless Steel Seamless Pipe Application

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Brand Name :	YUHONG
Model Number :	ASTM B677 / ASME SB677 TP904L (UNS N08904)
Certification :	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Payment Terms :	L/C, T/T
Delivery Time :	7DAYS

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ASME SB677 TP904L / UNS N08904 Stainless Steel Seamless Pipe Application

ASTM B677 / ASME SB677 TP904L (UNS N08904) Stainless Steel Seamless Pipe And Tube

ASME SB677 TP904L seamless pipe is made of a high-performance austenitic stainless steel alloy called 904L. This alloy is known for its excellent resistance to corrosion, which are typically used in industries such as chemical processing, seawater, oil and gas, and pharmaceuticals. The high-strength pipes are designed without any welds or seams and are produced via the extrusion process. This gives these modules 20% higher load-bearing capacity when compared to the SS 904L Welded Pipe.

Standard Specification	ASTM A312, ASTM A213, ASTM B677
Types	ERW, Seamless, Welded, EFW
Standard	DIN, JIS, AMS, GB, AISI, ASME, ASTM, EN, GOST
Size	OD 1/8" TO 48" SCH 5S TO SCH XXS
Surface Finish	Bright, Cold Finish, Annealing, Polished, Pickling
Technique	Cold Rolled/Hot Rolled
Manufacturing Shapes	Round, Square, Rectangle

ASME SB 677 UNS N08904 Pipe Equivalent

Standard	Werkstoff Nr.	Japanese Industrial Standards	Unified Numbering System	European Standards	AFNOR	KS
SS 904L	1.4539	SUS 890L	N08904	904S13	Z2 NCDU 25-20	STS 317J5L

Chemical composition
C ≤ %	Si ≤ %	Mn ≤ %	P ≤ %	S ≤ %	Cr %	Mo %	Ni %	V
0,02	0,70	2,0	0,030	0,010	19,0-21,0	4,0-5,0	24,0-26,0
Nb	Ti	Al	Co	Cu %	N ≤ %	Fe
				1,20-2,00	0,15
in accordance with Key to Steel 2001

According to ASTM/ASME SB677 Standard (2021 version)

MECHANICAL PROPERTIES OF PIPE AND TUBE

Alloy	Temper	Tensile Strength min, psi (MPa)	Yield Strength, 0.2% offset min, psi (MPa)	Elongation in 2 in. or 50 mm (or 4D), min,%
UNS N08904	solution annealed	71 (490)	31 (220)	35
UNS N08925	solution annealed	87 (600)	43 (300)	40
UNS N08926	solution annealed	94 (650)	43 (295)	35

NOTE 1 — The recommended heat treatment shall consist of heating to a temperature of 1950 to 2100°F (1065 to 1150°C) for UNS N08904 or
2010 to 2100°F (1100 to 1150°C) for UNS N08925 and UNS N08926, followed by quenching in water or rapid cooling by other means.

Temperature range	Density kg/dm³	Hardness (HB)
Special characteristics
pressure bomb/pressure vessel - 60°C bis 400°C	7,9	≤ 230
excellent stability against pitting corrosion, stress corrosion and intergranular corrosion

Applications

1. heat exchangers

2. pressure vessels

3. piping systems

4. chemical processing

5. oil and gas industry

6. Offshore engineering

7. pharmaceuticals

8. paper and pulp industry

ASME SB677 TP904L / UNS N08904 Stainless Steel Seamless Pipe Application

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