STS440B
2019-02-04 13:03:00 Origin： Remark：0 Click：
STS440B Steel Ex-stock,STS440B Alloy Suppliers & Manufacturers,Alloy STS440B Forging Bar Plate machined, STS440B Alloy Exporters Technical specifications - KS D3706 - 2001/2006. From Melting, ESR & VAR technique, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, Ultrasonic flaw detection test.
TECHNICAL DATA SHEET - KS D3706 Grade STS440B
TECHNICAL SPECIFICATIONS: KS D3706 - 2001/2006
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Martensitic stainless steel rod
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.75 ~ 0.95
Si (％): ≤ 1.00
Mn (％): ≤ 1.50
P (％) ≤: 0.040
S (％) ≤: 0.030
Cr (％): 16.0 ~ 18.0
Ni (％): ≤ 0.60
Mo (%): ≤ 0.75
N (%): -
MECHANICAL PROPERTY UNDER ROOM TEMP.
Tensile strength, σb/ ≥ MPa:-
Yield strength, σ0.2/ ≥ MPa: -
Elongation, δ (％) ≥: -
Reduction of area, ф (％) ≥: -
Hardness ≤ (HBW): HRC 56 Min.
HEAT TREATMENT PRACTICE
Condition: annealed 800 ~ 920 Deg.C
Cooling medium: air cool or slow cool
Queching: 1010 ~ 1070 Deg.C, oil cooled
Tempering: 100 ~ 180 Deg.C, air cooled
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 (width X thickness): 10 ~ 400 X 10 ~ 650mm
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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