317,317L,1.4449,1.4438

317,317L,UNS S31700,S31703,1.4449,1.4438

 

 

Stainless Steel SS 317 / 317L

AISI

317 / 317L

UNS

S31700 / S31703

Werkstoff Nr.

1.4449 / 1.4438

Mechanical & Physical Properties

Density

8.0 g/cm3

Melting Point

1454 °C (2650 °F)

Tensile Strength

Psi – 75000 , MPa – 515

Yield Strength (0.2%Offset)

Psi – 30000 , MPa – 205

Elongation

35 %

 Composition of 317/317L tubing and pipe

Grade

317

317L

UNS Designation

S31700

S31703

Carbon (C) Max.

0.08

0.035*

Manganese (Mn) Max.

2.00

2.00

Phosphorous (P) Max.

0.040

0.04

Sulphur (S) Max.

0.03

0.03

Silicon (Si) Max.

1.00

1.00

Chromium (Cr)

18.0–20.0

18.0–20.0

Nickel (Ni)

11.0–14.0

11.0–15.0

Molybdenum (Mo)

3.0–4.0

3.0–4.0

Nitrogen (N)

Iron (Fe)

Bal.

Bal.

Other Elements

 

 

 We have products:

seamless pipe,seamless tube,

 welded pipe,welded tube,

pipe fitting,flange

 


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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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Contact
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