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EN 24
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Aerospace standards Ni-Cr-Mo steel EN 24 Round bar, flat bar, plate DTD 473 ESR melted, EN24 rod instock, Heat treatment, Straightening, 100% Ultrasonic test, cold machined.

TECHNICAL SPECIFICATION - DTD 473 & EN 24

MATERIAL CATEGORY: Aerospace Standard "DTD" series alloy structural steel

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV

TYPE OF STEEL: Ni -Cr - Mo steel

CHEMICAL COMPOSITION (mass weight - %)

Carbon, C (％):  0.35 ~ 0.45
Silicon, Si (％):  0.10 ~ 0.35
Manganese, Mn (％):  0.50 ~ 0.70
Phosphorus, P (％) ≤:  0.025
Sulfur, S (％) ≤:  0.015
Chromium, Cr (％):  0.90 ~ 1.40

Nickel, Ni (%): 1.30 ~ 1.80
Molybdenum, Mo (％): 0.20 ~ 0.40

MECHANICAL PROPERTIES UNDER ROOM TEMP.

Tensile strength σb≥/MPa: 980
Yield strength σs≥/MPa: 830
Elongation δ5≥(%): 12.0

Impact strength, AKv ≥/J: -
Hardness HBS: 269 min.

PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.5mm to 850mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.

Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts, other different shapes based on OEM.

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

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