304, 1.4301, X5CrNi18-10

AISI 304 ,SUS 304,TP 304 ,S30400,1.4301,X5CrNi18-10,S30400


Stainless steel types 1.4301 and 1.4307 are also known as grades 304 and 304L respectively. Type 304 is the most versatile and widely used stainless steel. It is still sometimes referred to by its old name 18/8 which is derived from the nominal composition of type 304 being 18% chromium and 8% nickel.

304 stainless steel bar, also known as UNS S30403 and Grade 304, is the low carbon content version of Type 304 generally preferred because it is the "free machining" version. Grade 304 exhibits good combination of strength and corrosion resistance making it ideal for almost all industries. Cold working will increase both the hardness and strength, and it does not respond to heat treatment.

The stainless austenitic chromium-nickel steel 1.4301 shows good corrosion resistance (particularly in natural environmental media and in the absence of considerable chlorine and salt concentrations and sea water) and weldability. Application with acids have to be checked individually. However, after welding 1.4301 is not stable to intergranular corrosion. Good polishing and deep drawing property. It is used in the crude oil industry, chemical industry, petrochemical industry, automobile industry

Chemical Composition %

 

C

Mn

P

S

Si

Ni

Cr

Mo

Ti

N

Nb

TP304

0.08

2.00

0.045

0.030

1.0

8-10.5

18-20

 

 

 

 

SUS304

0.08

2.00

0.040

0.030

1.0

8-10.5

18-20

 

 

 

 

1.4301

0.07

2.00

0.040

0.015

1.0

8-10.5

17-19.5

 

 

0.11

 


Mechanical propertoes

 

Tensile strength(Mpa)

Yield point(Mpa)

Elongation(%)

Longitudinal

Elongation(%)

transverse

TP304

515

205

35

25

SUS304

520

205

35

25

1.4301

500-700

195

40

35


We have products:

seamless pipe,seamless tube,

 welded pipe,welded tube,

pipe fitting,flange,bar,plate


Complete inspection equipment and quality system.
Eddy current test, Ultrasonic detector, hydraulic test equipment, Universal testing machine, Arldirect-reading spectrometer...... Recently we have replaced a new set of advanced PMI equipment, OXFORD INSTRUMENTS X-MET7000
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Advanced equipment and technological process.
We have 5 bright annealed furnace with 30 mtrs in length, the highest temperature can reach 1350℃, and the tolerance between the set and real temperature could be within 2℃, and it ensures the mechanical properities and the quality of the pipe surface.
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