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DTD 490
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Aerospace DTD 490 data sheet, DTD490 Chemical, DTD 490 properties from Steelmaking, 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 490

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 (WEIGHT %)

C (％):    0.25 ~ 0.35
Si (％):   ≤ 0.35
Mn (％):  0.40 ~ 0.80
P (％)≤:  0.025
S (％)≤:  0.015
Cr (％):   0.50 ~ 1.00

Ni (%): 2.00 ~ 3.60
Mo (％): 0.40 ~ 0.70

Other (%):

MECHANICAL PROPERTIES UNDER ROOM TEMP.

Tensile strength σb≥/MPa: 980
Yield strength σs≥/MPa: 835
Elongation δ5≥(%): 12.0

Impact strength, AKv ≥/J: -
Hardness HBS: -

PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 500mm
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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