S28 Stockist, S28 Equivalent Steel

S28
2015-07-02 08:51:46   Origin:   Remark:0 Click:

BS S28 is a high tensile, good hardenability Aerospace ESR Steel, S28 Round bar, flat bar, Shaft Heat treatment, Cold worked, 100% UT.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGSBV

TECHNICAL DATA SHEET - Grade BS S28
MATERIAL CATEGORY - Aircraft "S" series alloy structural steel
TYPE OF STEEL - 4.0Ni-1.3Cr-0.3Mo alloy steel
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (%): 0.26 ~  0.34
Silicon, Si (%): 0.10 ~ 0.35
Manganese, Mn (%): 0.40 ~ 0.60
Phosphorus, P (%)≤: 0.045
Sulfur, S (%)≤: 0.030
Chromium, Cr (%): 1.10 ~ 1.40
Nickel, Ni (%): 3.90 ~ 4.30
Molybdenum, Mo (%): 0.20 ~ 0.40
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment
Tensile strength, σb≥/MPa: 995
Yield strength, σs≥/MPa: 825
Elongation, δ5≥(%): 15.0
Impact strength, AKv≥/J: -
Annealed hardness HBS: 321 max.
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.5mm to 650mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 400mm X W100 - 1000mm X L1000 - 5000mm
Sheet steel via cold rolled: T1.0 - 6mm X W100- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.5 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM. 
TYPICAL APPLICATIONS
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 rod.
Mechanical parts - connecting rod, bolt and nut, Multidiameter shaft, Pressure vessel.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers. E-mail: 
sales@ccsteels.com

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