AMS 6491 datasheet,AMS 6491 chemical,AMS 6491 heat treatment
Home > Tool steel > Text

AMS 6491
2021-01-11 14:09:08   Origin:   Remark:0 Click:

Descriptions AMS 6491 datasheet, AMS 6491 Chemical, AMS 6491 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 SHEET - AMS 6491

MATERIAL CATEGORY 4.1Cr-4.2Mo-1.0V series High speed tool steel
MATERIAL SPECIFICATIONS - AMS 6491E - 2014
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (%):     0.75 ~ 0.85
Si (%):      0.25
Mn (%):   0.15 ~ 0.35
P (%)≤:   0.015

S (%)≤:   0.005
Cr (%):    4.00 ~ 4.50
Mo (%):   4.00 ~ 4.50
W (%):    ≤ 0.25
V (%):     0.90 ~ 1.10
Co (%):   ≤ 0.25 
HEAT TREATMENT PRACTICE AND HARDNESS
Annealing temperature /℃: 830 ~ 850
Annealed hardness, ≤ HB: 248
Quenching temperature /℃: 1120 ~ 1140
Cooling medium: oil
Tempering temperature /℃: 520 ~ 550
Hardness under tempered condition ≥HRC: 63 ~ 61
MELTING PROCESS
This
alloy is generally smelt in VIM + ESR. For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter): 0.50 to 450mm
Square bar / Flat bar: T3 to 500mm X W3 ~ 1000mm
Wire rod (Diameter):  0.30 to 13mm
Steel strip: THK0.15 ~ 2.50 X W8.0 ~ 185mm
Length: Fixed length or random length or based on the customer's special requirement.
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.

Hot search:AMS 6491

Previous page:EN46
Last page:64SiCr5

Share to: