EN 38 & S90 Aircraft Quality Nickel 5.0% Case Hardening Alloy Structural steel, EN38 Bar, Forgings Steelmaking, Electroslag melting, Heat treatment.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL DATASHEET - Grade EN 38 & S90
MATERIAL CATEGORY - Aircraft "S" series alloy structural steel
TYPE OF STEEL - 5%Ni case hardening steel
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): ≤ 0.16
Silicon, Si (％): ≤ 0.30
Mangaese, Mn (％): ≤ 0.60
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): ≤ 0.30
Nickel, Ni (%): 4.50 ~ 5.50
Molybdenum, Mo (％): ≤ 0.50
Vanadium, V (%): ≤ 0.25
Tungsten, W (%): ≤ 1.00
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment
Tensile strength σb≥/MPa: 1220 ~ 1390
Yield strength σs≥/MPa: 930
Elongation δ5≥ (%): 7.0
Impact strength, AKV≥/J: -
Hardness HBS: 347 Min.
PROFILE AND DIMENSIONS
Round bar / Wire rod (Diameter): 5.50mm to 800mm
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 ~ 3mm 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, other different shapes based on OEM.
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.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL (email@example.com) our resident team of qualified production engineers.