STR 309
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Alloy STR 309 Ex-stock, Specifications STR 309 Suppliers, STR 309 Forging Bar Plate machined, Alloy STR 309 Exporters Technical specifications - KS D3731 - 2002 / 2007. From Melting, ESR & VAR technique, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, Ultrasonic flaw detection test.
TECHNICAL DATA SHEET - KS D3731 Grade STR 309
TECHNICAL SPECIFICATIONS: KS D3731 - 2002/2007
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Heat resistant stainless steel bar and plate
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.20
Si (％): ≤ 1.00
Mn (％): ≤ 2.00
P (％) ≤: 0.040
S (％) ≤: 0.030
Cr (％): 22.0 ~ 24.0
Ni (％): 12.0 ~ 15.0
Mo (%): -
N (%): -
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: Solution treated 1030 ~ 1150 Deg.C
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Heat resistant stainless steel bar and plate
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.20
Si (％): ≤ 1.00
Mn (％): ≤ 2.00
P (％) ≤: 0.040
S (％) ≤: 0.030
Cr (％): 22.0 ~ 24.0
Ni (％): 12.0 ~ 15.0
Mo (%): -
N (%): -
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: Solution treated 1030 ~ 1150 Deg.C
Aged 730 ~ 780 Deg. C, air cooling
Tensile strength, σb/ ≥ MPa: 559
Yield strength, σ0.2/ ≥ MPa: 206
Elongation, δ (％) ≥: 45.0
Reduction of area, ф (％) ≥: 50.0
Hardness ≤ (HBW): 201 Min.
Tensile strength, σb/ ≥ MPa: 559
Yield strength, σ0.2/ ≥ MPa: 206
Elongation, δ (％) ≥: 45.0
Reduction of area, ф (％) ≥: 50.0
Hardness ≤ (HBW): 201 Min.
MELTING PROCESS
The alloy is usually produced by BEF + AOD / EAF, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
PRODUCT FORMS AVAILABLE
Round bar (Diameter): 5.50 ~ 600mm
Wire rod (Diameter): 0.15 ~ 15mm
Flat bar (Thickness X Width): 10 ~ 400 X 15 ~ 1000mm
Length: random length, fixed length or based on the customer's special requirement.
Form: wire or straightened bar
The alloy is usually produced by BEF + AOD / EAF, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
PRODUCT FORMS AVAILABLE
Round bar (Diameter): 5.50 ~ 600mm
Wire rod (Diameter): 0.15 ~ 15mm
Flat bar (Thickness X Width): 10 ~ 400 X 15 ~ 1000mm
Length: random length, fixed length or based on the customer's special requirement.
Form: wire or straightened bar
TECHNICAL SALES ASSISTANCE
If you meet further on any technical inquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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