BS 306 / En 40A
2017-07-03 10:42:48 Origin： Remark：0 Click：
Material technical specifications of BS Aerospace Standard DTD series alloy structural steel BS 306 data sheet, BS 306 / En 40A Chemical compositions, Mechanical properties from Steelmaking, ESR melted, Blooming, BS 306 / En 40A 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 - BS DTD 306 & En 40A
MATERIAL CATEGORY: Aerospace Standard "DTD" series alloy structural steel
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TYPE OF STEEL: Cr - Mo Nitriding steel
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.15 ~ 0.35
Si (％): ≤ 0.35
Mn (％): ≤ 0.65
P (％)≤: 0.025
S (％)≤: 0.015
Cr (％): 2.50 ~ 3.50
Si (％): ≤ 0.35
Mn (％): ≤ 0.65
P (％)≤: 0.025
S (％)≤: 0.015
Cr (％): 2.50 ~ 3.50
Ni (%): ≤ 0.40
Mo (％): 0.30 ~ 0.70
Mo (％): 0.30 ~ 0.70
Other (%): V 0.15 ~ 0.40, W 0.85 ~ 1.10
MECHANICAL PROPERTIES
Tensile strength σb≥/MPa: 1100
Yield strength σs≥/MPa: 950
Elongation δ5≥(%): 6.0
Yield strength σs≥/MPa: 950
Elongation δ5≥(%): 6.0
AKV≥/J: -
Hardness HBS: 310 max.
Hardness HBS: 310 max.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 0.50mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / Wire rod (Diameter): 0.50mm to 800mm
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.
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: lh.steel@hotmail.com.
And you also can reach our sales department: sales@ccsteels.com
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