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20MnB4 / 1.5525
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Wire 20MnB4 & 1.5525 Round bar, plate 1.5525 Forgings Coil Steelmaking, ESR melted, Hot forging, Hot rolling, Heat treatment, Straightening, Ultrasonic test, Cold working or Machined.

TECHNICAL DATASHEET - Grade EN 20MnB4 & 1.5525

Official Test Certificate - issued by TUV - SGS - BV

MATERIAL TYPE - cold heading and cold extrusion rod, bars and wire

MATERIAL STANDARDS - EN 10263-4 : 2001

CHEMICAL COMPOSITION (mass weight %)

C (％): 0.18 ~ 0.23

Si (％): ≤ 0.30

Mn (％):   0.90 ~ 1.20
P (％)≤:   0.025
S (％)≤:   0.025

Cr (%): ≤ 0.30

Mo (%): -

Cu (%): ≤ 0.25

B (％): 0.0008 ~ 0.0050

MECHANICAL PROPERTIES UNDER ROOM TEMP.

Condition: + U or + PE

Tensile strength σb≥/MPa: 580
Yield strength σs≥/MPa: -

Elongation δ5 ≥(%): -

Reduction of area ψ(％) ≥: 60.0

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 rods.

Mechanical parts - connecting rod, bolt and nuts.

Multidiameter shafts

PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 300mm
Length: Fixed length or random length or based on the customer's special requirement.

TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.

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