Technical specification 38B3 Round bar, flat bar, wire rod Steelmaking, ESR melted, Forging, Hot rolling, Heat treatment, Straightening, Ultrasonic test, Cold working or Machined.
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL DATASHEET - Grade NF 38B3
MATERIAL TYPE: Fasteners steel
MATERIAL STANDARDS: NF A35-556, A35-558
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.34 ~ 0.40
Si (％): 0.10 ~ 0.40
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.035
Cr (%): -
Ni (%): -
Mo (%): -
B (％): 0.0008 ~ 0.0050
MECHANICAL PROPERTY UNDER ROOM TEMP.
Condition: + QT
Tensile strength σb≥/MPa: 785
Yield strength σs≥/MPa: 635
Elongation δ5 ≥(%): 12.0
Reduction of area ψ(％) ≥: 45
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
Mechanical parts - connecting rod, bolt and nut
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 400mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
TECHNICAL SALES ASSISTANCE
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