904L stainless steel pipe

Model:	JY-904L
Brand:	JY
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Stainless Steel
Label:	904L steel pipe , 904L steel tube , 904L steel
Price:	-
Min. Order:	1 ton

Inquire Now

Product Description

904L Super Austenitic Steel Tube

Material summary and usage

904L steel is high nickel and molybdenum austenitic stainless acid resistant steel. As it contains high contents of chrome, molybdenum and copper, it has excellent activation and passivation ability, with low corrosion rate in the passivation area (because of high chrome). Meanwhile, it has good pitting corrosion and crevice corrosion resistant performance (because of high chrome and molybdenum) and good stress corrosion resistant performance (because of high nickel). It has good corrosion resistant in non-oxidizing acids such as sulfuric acid, formic acid and phosphoric, and has good pitting corrosion resistance in neutral solution containing chlorides.

Chemical composition(%)

Standard

No.

(max)

ASTM

UNS N08904

0.020

1.00

2.00

0.045

0.035

19.0-23.0

23.0-28.0

4.0-5.0

1.0-2.0

DIN

1.4539

0.020

0.70

2.00

0.035

0.015

19.0-21.0

24.0-26.0

4.0-5.0

≤0.15

1.2-2.0

Mechanical properties

No.

Tensile Strength

sb(Mpa)

Yield Point

ss(Mpa)

Elongation Rate

d5(%)

HRC

904L

≥490

≥220

≥35

≥50

≤187

≤90

Application fields

It can be used in such media as butyl acetate, methyl acetate, terephthalic acid and PVC in petrochemical industry, sulfuric acid and phosphoric acid inorganic chemical industry. It can also be used to manufacture various calcining furnaces and power plant flue gas scrubbers for environmental protection and coolers for seawater, semi-salt water and polluted water.