SMn443
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Specifications SMn443 Data sheet, Inventory SMn443 Chemical, Stocklist SMn443 Properties from Steelmaking, ESR melted, Blooming, Hot forging,Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining. Technical specification JIS G4053 -2003. We also possess the advanced precision machining equipments for catering for your different special requirements.
MATERIAL TECHNICAL DATA SHEET - JIS SMn443
MATERIAL CATEGORY: Japanese Standard grade alloy structural steel
MATERIAL SPECIFICATIONS: Cr -Mn Steel, JIS G4053 -2003
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
CHEMICAL COMPOSITION ( MASS WEIGHT %)
C (％): 0.40 ~ 0.46
CHEMICAL COMPOSITION ( MASS WEIGHT %)
C (％): 0.40 ~ 0.46
Si (%): 0.15 ~ 0.35
Mn (％): 1.35 ~ 1.65
Mn (％): 1.35 ~ 1.65
P (％)≤: 0.030
S (％)≤: 0.030
Cr (%): ≤ 0.35
Ni (%): ≤ 0.25
Mo (%): -
Cu (%): ≤ 0.30
HEAT TREATMENT & MECHANICAL PROPERTIES
Quenched 830 ~ 880℃, water cooled
Tempered 550 ~ 650, rapid cooled
Mechanical property ≥ σb/MPa: 780
Mechanical property ≥ σs/MPa: 635
Mechanical property ≥ σs/MPa: 635
Mechanical property ≥ δ5 (%): 17
Mechanical property ≥ ψ (％): 45
Mechanical property ≥ Akv J/cm2): 78
Hardness / COND QT.HB: 229 ~ 302
MELTING PROCESS AND APPLICATIONS
The steels shall be manufactured by melting process EF + ESR, EAF+ LF + VD, EAF+ LF + VD + ESR, IFF + ESR Melted. VIM + ESR can be handled by agreement.
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rods
PRODUCT PROFILE & DIMENSIONS
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar (Width X Thickness): 3mm to 600mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 1000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM requirement.
The steels shall be manufactured by melting process EF + ESR, EAF+ LF + VD, EAF+ LF + VD + ESR, IFF + ESR Melted. VIM + ESR can be handled by agreement.
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rods
PRODUCT PROFILE & DIMENSIONS
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar (Width X Thickness): 3mm to 600mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 1000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM requirement.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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