AMS 6439 / K24729
2017-09-13 10:51:20 Origin： Remark：0 Click：
Description AMS 6439 Flat bars, Ex-stock K24729 Plate, Inventory AMS 6439 / K24729 Properties from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test,Cold working or rough turned machining. 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 SPECIFICATIONS - Grade AMS 6439B & K24729
MATERIAL FORM: Plate, Sheet, Strip
TECHNIQUE AND QUALITY: annealing, CVM
MATERIAL TYPE: Aerospace Material Specification - Structural steel
Official Test Certificate Report: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (Mass weight - %)
C (％): 0.42 ~ 0.48
CHEMICAL COMPOSITION (Mass weight - %)
C (％): 0.42 ~ 0.48
Si: (%): 0.10 ~ 0.40
Mn (%): 0.60 ~ 0.90
Cr (％): 0.90 ~ 1.20
Ni (％): 0.40 ~ 0.60
Cr (％): 0.90 ~ 1.20
Ni (％): 0.40 ~ 0.60
Mo (％): 0.90 ~ 1.10
V (%): 0.05 ~ 0.15
MECHANICAL PROPERTY UNDER ROOM TEMP.
Tensile strength σb≥/MPa: 985
Yield strength σs≥/MPa: 812
Elongation δ5≥(%): 15.0
Yield strength σs≥/MPa: 812
Elongation δ5≥(%): 15.0
Impact, AKV≥/J: -
Annealed hardness HB: 235
Annealed hardness HB: 235
PRODUCT DESCRIPTION
The alloy is usually produced by VM /CVM followed by electroslag refining (ESR), Vacuum Arc Melting (VAR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' specific requirements.
Round bar / Wire rod (Diameter) 0.10mm to 300mm
Square bar / Flat bar: 3mm to 400mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
The alloy is usually produced by VM /CVM followed by electroslag refining (ESR), Vacuum Arc Melting (VAR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' specific requirements.
Round bar / Wire rod (Diameter) 0.10mm to 300mm
Square bar / Flat bar: 3mm to 400mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
AVAILABLE ITEMS
ASTM A565 Grade 616/422/S42200, Grade 615/S41800, XM-32/S64152, PH13-8/XM-13/s13800
17-4PH/630/1.4542, 631, 851, 961, WB36, D6-AC, D6A. A-286/660
1.4980, 1.4922, 1.4923, 1.4935, 1.4938, 1.4913, 1.4122
Forms: Bars, Forge piece, Ring, Strip
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com
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