STS 444 datasheet,STS 444 chemical,STS 444 heat treatment

STS 444
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Description STS 444 Round bars, Steel strip STS 444 Inventory, Plate STS 444 Suppliers, Flat bars Properties Technical specifications - KS D3705 - 2001 / 2006. From Melting, ESR & VAR technique, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
RAW MATERIAL SPECIFICATIONS - Grade STS 444

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 Plate, Strip
Inventory & Stocklist - Plate 3 ~ 10 X 1000 ~ 1220 X length (mm)
Chemical Composition (Mass Weight - %)
C (%):     ≤ 0.025
Si (%):     ≤ 1.00
Mn (%):   ≤ 1.00
P (%) ≤:  0.040
S (%) ≤:  0.030
Cr (%):    17.0 ~ 21.0
Ni (%):    ≤ 0.60
Mo (%):  1.75 ~ 2.50
N (%):     ≤ 0.025
Ti /Nb (%):  8 x (C+N) ~ 0.80
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: annealing, 800 ~ 1050 Deg. C, rapid cooling.
Tensile strength, σb/ ≥ MPa: 410
Yield strength, σ0.2/ ≥ MPa: 245
Elongation, δ (%) ≥: 20.0
Reduction of area, ф (%) ≥: -
Hardness under solution anneal ≤ (HBW): 217
MELTING PROCESS
The 
alloy is usually produced by AOD / EAF / VOD, followed by electroslag refining (ESR or VAR ) if necessary for special purpose.
AVAILABLE FORMS & DIMENSIONS
Round bar (Diameter): 5.5 ~ 450mm
Strip / Plate (Thickness X width X Length): 0.5 ~ 2.5mm X 10 ~ 550mm X Lmm
Flat bar (Thickness X Width): 4 ~ 300 X 15 ~ 550mm
Length: random length, fixed length or based on the customer's special requirement.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical inquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email us: 
sales@ccsteels.com.

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