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SUS309STP Application:austenitic special steel
Category Type Steel grade Standard Country
Grades Special Alloy SUS309STP JIS Japan

Chemical composition % of the ladle analysis of grade SUS309STP

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.04 Max 0.03 2.00-24.00 12.00-15.00
SUS309STP
Mechanical properties of grade SUS309STP
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
579 (≥) 913 (≥) 13 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Physical properties of grade SUS309STP
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
212 (≥) 923 (≥) 12 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 214
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
134 662 545
SUS309STP Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
1Cr18Ni12 JIS Japan
Compared with 0 cr19ni9, processing low hardenability. Used for spinning processing, special drawing, cold heading
0Cr17Ni12Mo2 JIS Japan
Seamless stainless steel tubes for boiler and heat exchanger
1Cr18Ni12Mo2Ti JIS Japan
Seamless stainless steel tubes for boiler and heat exchanger
0Cr18Ni12Mo2Ti JIS Japan
Seamless stainless steel tubes for boiler and heat exchanger
F10012 JIS Japan
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
0Cr17Ni12Mo2N JIS Japan
Seamless stainless steel tubes for boiler and heat exchanger
0Cr18Ni12Mo2Cu2 JIS Japan
0Cr18Ni12Mo2Cu2 stainless steel corrosion resistance, resistance to corrosion resistance is better than 0Cr17Ni12Mo2. 0Cr18Ni12Mo2Cu2 stainless steel used in the sulphuric acid resistant material.
1Cr18Ni12Mo3Ti JIS Japan
Seamless stainless steel tubes for boiler and heat exchanger
0Cr18Ni12Mo3Ti JIS Japan
Seamless stainless steel tubes for boiler and heat exchanger
00Cr12 JIS Japan
Heat-resisting steel sheets and plates
1Cr12 JIS Japan
Heat-resisting steel sheets and plates
2Cr21Ni12N JIS Japan
Heat-resisting steel bars
00Cr12 JIS Japan
Heat-resisting steel sheets and plates
1Cr12Mo JIS Japan
Heat-resisting steel bars
2Cr12MoVNbN JIS Japan
Heat-resisting steel bars
1Cr12WMoV JIS Japan
Heat-resisting steel bars
2Cr12NiMoWV JIS Japan
Heat-resisting steel bars
GH3128 JIS Japan
Classification and designation for superalloys and high temperature intermetallic materials
1.4923 JIS Japan
DIN 17240 (1976) Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications; Replaced by: DIN EN 10269:1999
X 22 CrMoV 12-1 JIS Japan
DIN 17240 (1976) Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications; Replaced by: DIN EN 10269:1999

Relevant products

SUS309STP Equivalent Grade Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
Cr12MoV 12-160(T)*310-610(W)*L Plate or Sheet Tons 12.38 Hot-Rolled+Annealed+black Enquiry
1.2601 12-160(T)*310-610(W)*L Plate or Sheet Tons 11.22 Hot-Rolled+Annealed+black Enquiry
X22CrMoV12-1 / 1.4923 Φ17mm Round Bar Kgs 300 Hot-Rolled+Annealed+black Enquiry
X22CrMoV12-1 / 1.4923 Φ30mm Round Bar Kgs 300 Hot-Rolled+Annealed+black Enquiry
Incoloy800 round bar Φ115*1400 Round Bar Kgs 169 Hot-Rolled+Annealed+black Enquiry
Stainless Steel 422 / Alloy 422 AMS 5655 UNS S42200/616/B4B Round Bar Stock Select 0 Select Enquiry
15-5PH Forgrd Flat Bar Select 0 Select Enquiry

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