STR 660
2024-12-13 09:17:00 Origin： Remark：0 Click：
KS D3731 Specifications Heat resistant stainless steel STR 660 Wire rod, Round bar, Stock available Forging Bar Plate machined
TECHNICAL DATA SHEET - STR 660
TECHNICAL SPECIFICATIONS: KS D3731 - 2002/2007
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Heat resistant stainless steel bar and plate
CHEMICAL COMPOSITIONS (mass weight %)
Carbon, C (％): ≤ 0.08
Silicon, Si (％): ≤ 1.50
Manganese, Mn (％): ≤ 2.00
Phosphorus, P (％) ≤: 0.030
Sulfur, S (％) ≤: 0.020
Chromium, Cr (％): 13.0 ~ 16.0
Nickel, Ni (％): 24.0 ~ 37.0
Molybdenum, Mo (%): 1.00 ~ 1.50
Nitrogein, N (%): -
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Heat resistant stainless steel bar and plate
CHEMICAL COMPOSITIONS (mass weight %)
Carbon, C (％): ≤ 0.08
Silicon, Si (％): ≤ 1.50
Manganese, Mn (％): ≤ 2.00
Phosphorus, P (％) ≤: 0.030
Sulfur, S (％) ≤: 0.020
Chromium, Cr (％): 13.0 ~ 16.0
Nickel, Ni (％): 24.0 ~ 37.0
Molybdenum, Mo (%): 1.00 ~ 1.50
Nitrogein, N (%): -
Titanium, Ti (%): 1.90 ~ 2.35
Aluminum, Al (%): ≤ 0.35
Vanadium, V (%): 0.10 ~ 0.50
Boron, B (%): 0.001 ~ 0.010
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: Solution treated 885 ~ 915 Deg.C, Ageing 700 ~ 760 X 16h, air cooling or slow cooling.
Tensile strength, σb ≥ MPa: 902
Yield strength, σ0.2 ≥ MPa: 585
Elongation, δ5 (％) ≥: 15.0
Reduction of area, ф (％) ≥: 18.0
Hardness ≤ (HBW): 248 Min.
MELTING PROCESS
The alloy STR 660 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.
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: Solution treated 885 ~ 915 Deg.C, Ageing 700 ~ 760 X 16h, air cooling or slow cooling.
Tensile strength, σb ≥ MPa: 902
Yield strength, σ0.2 ≥ MPa: 585
Elongation, δ5 (％) ≥: 15.0
Reduction of area, ф (％) ≥: 18.0
Hardness ≤ (HBW): 248 Min.
MELTING PROCESS
The alloy STR 660 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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