STS 440A
2022-07-15 08:54:05   Origin：   Remark：0 Click：

MATERIAL SPECIFICATIONS - Grade STS 440A

Technical Specifications - KS D3705 - 2001 / 2006
Official Test Certificate - issued by TUV - SGS -  BV
HS Code For Customs - 72201100 / 72202030 / 72221100
Material Category - Hot / cold rolled Stainless steel sheet, strip
Inventory & Stocklist - Round bar dia. 20 ~ 170mm, plate 10 ~ 50 X 550 X Lmm
Chemical Composition (Mass Weight - %)
C (％):     0.60 ~ 0.75
Si (％):     ≤ 1.00
Mn (％):   ≤ 1.00
P (％) ≤:  0.040
S (％) ≤:  0.030
Cr (％):    16.0 ~ 18.0
Ni (％):    ≤ 0.60
Mo (％):   ≤ 0.75
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: annealing, 800 ~ 900 Deg. C, slow or rapid cooling.
Tensile strength, σb/ ≥ MPa: 590
Yield strength, σ0.2/ ≥ MPa: 245
Elongation, δ (％) ≥: 15.0
Reduction of area, ф (％) ≥: -
Hardness under solution anneal ≤ (HBW): 255
MELTING PROCESS
The alloy is usually produced by AOD / EAF or VIM followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
ADVANTAGE & SUPERIOR SERVICE
17+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
SHAPES & DIMENSIONS AVAILABLE
Round bar (Diameter): 5.5 ~ 500mm
Strip / Plate (Thickness X width X Length): 0.5 ~ 2.5mm X 10 ~ 600mm X Lmm
Flat bar (Thickness X Width): 4 ~ 300 X 15 ~ 1200mm
Length: random length, fixed length or based on the customer's special requirement.
TECHNICAL SALES ASSISTANCE 
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email:sales@ccsteels.com.