AMS 6431 datasheet,AMS 6431 chemical,AMS 6431 heat treatment

AMS 6431
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Descriptions AMS 6431 datasheet, AMS 6431 Chemical, AMS 6431 Properties from Steelmaking, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL DATA SHEETAMS 6431

MATERIAL CATEGORY: Ultra high strength 1471/1520Mpa alloy steel
MAIN FEATURES: D6AC VAC-ARC steel is a medium carbon, low alloy, ultra high strength 1471Mpa steel primarily designed for high strength structural applications
D6AC steel is produced by the consumable electrode vacuum arc remelting process to provide optimum cleanliness and preferred ingot structure, which in turn provide optimum transverse mechanical properties.
CHEMICAL COMPOSITION (WEIGHT %)
C (%):    0.42 ~ 0.48
Si (%):    0.15 ~ 0.35
Mn (%):  0.60 ~ 0.90

P (%)≤:  0.015
S (%)≤:  0.015
Cr (%):   0.90 ~ 1.20
Ni (%):   0.40 ~ 0.70
Mo (%):  0.90 ~ 1.10
V (%):    0.05 ~ 0.10
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment - Austenitized at 900℃ . Oil quenched and air cooled, or salt quenched at 205 ~ 220 ℃ for 10 minutes and air cooled
Tensile strength σb≥/MPa: 1471
Yield strength σs≥/MPa:  1373
Elongation δ5≥(%):  9.0
Impact strength, AKv≥/J:  35.0
Hardness HRC: 45
Working pressure /MPa: 932.0
Bursting pressure /MPa: 1275.0  
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rod
Mechanical parts - connecting rod, bolt and nut
Multidiameter shaft
Pressure vessel, seamless pipe
PRODUCT PROFILE & DIMENSIONS
Round bar (Diameter): 5.5mm to 400mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Steel strip: T0.5 ~ 3mm X W10 ~ 1000mm X Coil
Heavy/middle plate via hot rolled: T60 - 300mm X W60 - 1000mm X L1000 ~ 2000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL (
sales@ccsteels.com) our resident team of qualified production engineers.

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