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DTD 713
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Technical specifications DTD 713 Round bar, Flat bar, Plate, Sheet Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment

TECHNICAL DATA SHEET - DTD 713

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

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV

TYPE OF STEEL: 2.5%Ni - 0.65%Cr - 0.55%Mo alloy steel

CHEMICAL COMPOSITIONS (mass weight %)

Carbon, C (％): 0.27 ~ 0.35
Silicon, Si (％): 0.10 ~ 0.35
Manganese, Mn (％): 0.50 ~ 0.70
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 0.50 ~ 0.80

Nickel, Ni (%): 2.30 ~ 2.80
Molybdenum, Mo (％): 0.40 ~ 0.70

MECHANICAL PROPERTIES UNDER ROOM TEMP.

Tensile strength, σb ≥ MPa: 850 ~ 1000
Yield strength, σs ≥ MPa: 635
Elongation δ5 ≥ (%): 13.0

Impact strength, AKv ≥ J: 35
Annealed hardness HBS: 240 ~ 310

PRODUCT PROFILE & AVAILABLE DIMENSIONS
Rod / round bar / disc (diameter): 5.5mm to 550mm
Square bar / flat bar: 8mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.

Steel sheet / 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.

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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