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ASME SB677, ASTM B677 TP904L (UNS N08904) Stainless Steel Seamless Pipe

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ASME SB677, ASTM B677 TP904L (UNS N08904) Stainless Steel Seamless Pipe

Name: ASME SB677 ASTM B677 TP904L UNS N08904 Stainless Steel Seamless Pipe
Brand: YUHONG
Price: 1 USD

Buy cheap ASME SB677, ASTM B677 TP904L (UNS N08904) Stainless Steel Seamless Pipe product

Brand Name : YUHONG

Model Number : ASME SB677, ASTM B677 TP904L (UNS N08904)

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015

Place of Origin : China

MOQ : 100 KGS

Price : Negotiable

Payment Terms : T/T, L/C

Supply Ability : According to Client Requirements

Delivery Time : 15-75 Days

Packaging Details : According to Client Requirements/ Ply-wooden Case/ Iron Case/ Bundle with plastic Cap

Standard : ASME SB677, ASTM B677

Type : Seamless

Outer diameter : 6mm-630mm Or Customized

Thickness : 0.4-30mm

Length : 6 Meters Or Customized

Shape : Round Pipe

Technique : Cold Drawn

Applications : Petroleum, Petrochemical Equipment, Petroleum, Petrochemi

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ASME SB677, ASTM B677 TP904L (UNS N08904) Stainless Steel Seamless Pipe

TP904L is a non-stabilised low carbon high alloy austenitic stainless steel. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulphuric acid. It is also highly resistant to chloride attack - both pitting / crevice corrosion and stress corrosion cracking. This grade is non-magnetic in all conditions and has excellent weldability and formability. The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures. 904L does have very substantial contents of the high cost ingredients nickel and molybdenum. Many of the applications in which this grade has previously performed well can now be fulfilled at lower cost by duplex stainless steel 2205 (S31803 or S32205), so it is used less commonly than in the past.

Chemical Composition:

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	Cu
TP904L	min. max.	- 0.020	- 2.00	- 1.00	- 0.045	- 0.035	19.0 23.0	4.0 5.0	23.0 28.0	1.0 2.0

Mechanical Properties:

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B)	Brinell (HB)
904L	490	220	35	70-90 typical	-
Rockwell Hardness value range is typical only; other values are specified limits.

Physical Properties:

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (m/m/C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100C (J/kg.K)	Elec Resistivity (n.m)
			0-100C	0-315C	0-538C	At 20C	At 500C
TP904L	8000	200	15	-	-	13	-	500	850

Grade Specifications:

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
TP904L	N08904	904S13	-	1.4539	X1NiCrMoCuN25-20-5	2562	-
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Possible Alternative Grades:

Grade	Why it might be chosen instead of 904L
316L	A lower cost alternative, but with much lower corrosion resistance.
6Mo	A higher resistance to pitting and crevice corrosion resistance is needed.
2205	A very similar corrosion resistance, with the 2205 having higher mechanical strength, and at a lower cost to 904L. (2205 not suitable for temperatures above 300C.)
Super duplex	Higher corrosion resistance is needed, together with a higher strength than 904L.

Applications:

Typical applications include
Processing plant for sulphuric, phosphoric and acetic acids
Pulp and paper processing
Components in gas scrubbing plants
Seawater cooling equipment
Oil refinery components
Wires in electrostatic precipitators

ASME SB677, ASTM B677 TP904L (UNS N08904) Stainless Steel Seamless Pipe

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