stainless steel plate 309S

stainless steel plate 309S

309S stainless steel is a highly alloyed austenitic stainless steel used for its excellent oxidation resistance, high-temperature strength, and creep resistance. The lower nickel content of Stainless Steel 309, compared to Stainless Steel 310, improves its resistance to hydrogen sulfide (H2S) attack at high temperatures. It is tough and ductile and can be readily fabricated and machined.

309S stainless steel plate physical  
 
Density (lb / cu. in.)                                                       0.29
Specific Gravity                                                                7.9
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]              0.12
Electrical Resistivity (microhm-cm (at 68 Deg F))      468
Melting Point (Deg F)                                                        2650
Modulus of Elasticity Tension                                       29

309S chemical composition

grade

C

Cr

Ni

Mn

P

S

Si

other

309S


0.08

22-24

12-15


2


0.035


0.03


1

-

 

309S stainless steel mechanical properties

specification(mm)

Hardness

Elongation
δ5
(%)

Area reduction
Ψ
(%)

Tensile Strength
σb
(MPa)

Yield Strength
σ0.2
(MPa)

0.4-80 *1000*2000

HB

HRB

HV

  ≥40

  ≥50

≥520

≥205

1220*2440

≤187

≤90

≤200

1500*6000

309S stainless steel plate machinability  
This alloy machines similarly to type 304 stainless. Its chips are stringy and it will work harden rapidly. It is necessary to keep the tool cutting at all times and use chip breakers.

 

Stainless steel plate

Sus 201

Sus 202

301

Sus304

304J1

304

304L

309S

Sus310s

321

316

316L

317L

410

420

430

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