STS 444
2022-04-17 08:58:08 Origin： Remark：0 Click：
KS D3705 Specifications STS 444 Round bar, Steel strip, Plate STS 444 Flat bar, ESR & VAR technique, Blooming, Hot forging/rolling, Heat treatment
RAW MATERIAL DATASHEET - 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 Lmm, Round bar Dia.1 ~ 200mm
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 Lmm, Round bar Dia.1 ~ 200mm
Chemical Composition (mass weight - %)
Carbon, C (％): ≤ 0.025
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 17.0 ~ 21.0
Nickel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): 1.75 ~ 2.50
Nitrogen, N (％): ≤ 0.025
Carbon, C (％): ≤ 0.025
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 17.0 ~ 21.0
Nickel, Ni (％): ≤ 0.60
Molybdenum, Mo (％): 1.75 ~ 2.50
Nitrogen, 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, Rm ≥ MPa: 410
Yield strength, Rp0.2 ≥ MPa: 245
Elongation, A5 (％) ≥: 20.0
Reduction of area, Z (％) ≥: -
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 & Disc (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.
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: annealing, 800 ~ 1050 Deg. C, rapid cooling.
Tensile strength, Rm ≥ MPa: 410
Yield strength, Rp0.2 ≥ MPa: 245
Elongation, A5 (％) ≥: 20.0
Reduction of area, Z (％) ≥: -
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 & Disc (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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