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DTD723
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Specifications DTD723 datasheet, DTD723 Chemical, DTD723 properties Steelmaking, Gr.En25 ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.

TECHNICAL SPECIFICATION & DATASHEET - DTD 723

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

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV

TYPE OF STEEL: Ni - Cr - Mo alloy steel

CHEMICAL COMPOSITION (WEIGHT %)

C (％):    0.27 ~ 0.35
Si (％):    0.10 ~ 0.35
Mn (％):  0.50 ~ 0.70
P (％)≤:  0.025
S (％)≤:  0.015
Cr (％):   0.50 ~ 0.80

Ni (%): 2.30 ~ 2.80
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

AKV≥/J: 35
Annealed hardness HBS: 240 ~ 310

PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm 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 with flanks / discs /tubes /slugs /donuts /cubes /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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