S204
2015-07-20 10:20:06 Origin： Remark：0 Click：
Spring Steel S204 Round bar, Wire rod, Steel strip - steelmaking, Electroslag melting, Hot blooming, Ultrasonic test, Hot forging, Rolling, Heat treatment
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL SPECIFICATION DATASHEET - BS S204
MATERIAL CATEGORY: Aircraft "S" series alloy structural steel
TYPE OF STEEL: Cr-V Steel
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.46 ~ 0.54
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 0.80 ~ 1.20
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 0.80 ~ 1.20
Nickel, Ni (%): -
Molybdenum, Mo (％): -
Vanadium, V (%): 0.15 ~ 0.25
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment
Tensile strength σb ≥ MPa: 1280
Yield strength σs ≥ MPa: 1130
Elongation δ5 ≥ (%): 10.0
Yield strength σs ≥ MPa: 1130
Elongation δ5 ≥ (%): 10.0
Impact strength, AKv ≥ J: -
Hardness HBS: 255 Min.
Hardness HBS: 255 Min.
PRODUCT DESCRIPTION
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - Quenched and tempered.
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - Quenched and tempered.
YPICAL 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 and pressure vessel.
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 and pressure vessel.
PRODUCT PROFILE / SIZE
Round bar / rod (diameter): 5.5mm to 300mm
Square bar / Flat bar: 10mm to 500mm
Round bar / rod (diameter): 5.5mm to 300mm
Square bar / Flat bar: 10mm to 500mm
Sheet steel via cold rolled: T0.5 - 6mm X W60 - 1000mm X Lmm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
TECHNICAL SALES ASSISTANCE
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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