904L Stainless Steel Wires from China manufacturer

Payment Terms:	T/T,L/C,D/A,D/P,WU
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Means of Transport: Ocean,Land,Air

Packing: Reeled and Sealed Up

Stainless Steel Wire: 904L Stainless Steel

Production Capacity: 2000 Ton/Month

Delivery Date: 3-30days

904L is a non-stabilized low carbon high alloy austenitic stainless steel. It is also highly resistant to chloride attack - pitting / crevice corrosi

904L Stainless Steel Wire

904L is a non-stabilized 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 - 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.

Wire Diameter: 0.05mm-10.0mm, 0.002 Inch to 0.3937 Inch

Grade specifications for 904L grade stainless steels.

Grade	UNS No	Old British		Euronorm		Swedish SS
		BS	En	No	Name
904L	N08904	904S13	-	1.4539	X1NiCrMoCuN25-20-5	2562

Composition ranges for 904L grade of stainless steels.

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	Cu
904L	min.	-	-	-	-	-	19.0	4.0	23.0	1.0
	max.	0.020	2.00	1.00	0.045	0.035	23.0	5.0	28.0	2.0

Mechanical properties of 904L grade stainless steels.

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.

Corrosion Resistance

(1)In most environments 904L has a corrosion performance intermediate between the standard austenitic grade 316L and the very highly alloyed 6% molybdenum and similar "super austenitic" grades.

(2)In aggressive nitric acid 904L has less resistance than molybdenum-free grades such as 304L and 310L.

(3)For maximum stress corrosion cracking resistance in critical environments the steel should be solution treated after cold work.

Heat Resistance

Good resistance to oxidation, but like other highly alloyed grades suffers from structural instability (precipitation of brittle phases such as sigma) at elevated temperatures. 904L should not be used above about 400°C.

Heat Treatment

Solution Treatment (Annealing) - heat to 1090-1175°C and cool rapidly. This grade cannot be hardened by thermal treatment.

Welding

904L can be successfully welded by all standard methods. Care needs to be taken as this grade solidifies fully austenitic, so is susceptible to hot cracking, particularly in constrained weldments. No pre-heat should be used and in most cases post weld heat treatment is also not required. AS 1554.6 pre-qualifies Grade 904L rods and electrodes for welding of 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