S135
2026-08-05 11:26:00 Origin： Remark：0 Click：
Aircraft "S" series alloy structural steel S135 peeled round bar, flat bar S135 stock available, S135 ESR plate, Hot forging / rolling, heat treated
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - CNAS
TECHNICAL DATA SHEET - BS S135
Material category: aircraft "S" series alloy structural steel
Type of steel: Cr - V steel
Stock on hand: round bar 20 ~ 110 mm
Typical chemical compositions (mass fraction - %)
Carbon, C (％): 0.90 ~ 1.10
Silicon, Si (％): 0.15 ~ 0.40
Manganese, Mn (％): 0.25 ~ 0.55
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 1.30 ~ 1.60
Silicon, Si (％): 0.15 ~ 0.40
Manganese, Mn (％): 0.25 ~ 0.55
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 1.30 ~ 1.60
Nickel, Ni (%): ≤ 0.40
Molybdenum, Mo (％): ≤ 0.10
Molybdenum, Mo (％): ≤ 0.10
Other (%): Cu ≤ 0.25, V ≤ 0.30
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment
Tensile strength, Rm ≥ MPa: 1100
Yield strength, Rp0.2 ≥ MPa: 750
Elongation, A5 ≥ (%): 10.0
Yield strength, Rp0.2 ≥ MPa: 750
Elongation, A5 ≥ (%): 10.0
Impact strength, AKv ≥ J: -
Hardness HBS: 240 min.
Hardness HBS: 240 min.
PRODUCT PROFILE / DIMENSIONS
Round bar & rod & disc (diameter): 6.0 to 700 mm
Square bar & flat bar: 10 to 500 mm
Length: random length or based on the customer's special requirement.
Round bar & rod & disc (diameter): 6.0 to 700 mm
Square bar & flat bar: 10 to 500 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate: T6 ~ 300 X W20 ~ 1200 X L1000 ~ 12000 mm
Sheet steel via cold rolled: T0.5 - 6 X W10 ~ 300 X L
Steel strip via cold rolled: T0.3 ~ 3 X W10 ~ 200 X L (or in coil form).
Sheet steel via cold rolled: T0.5 - 6 X W10 ~ 300 X L
Steel strip via cold rolled: T0.3 ~ 3 X W10 ~ 200 X L (or in coil form).
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 shafts.
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 shafts.
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.
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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