K22770 datasheet,K22770 chemical,K22770 heat treatment

K22770
2020-11-08 13:32:59   Origin:   Remark:0 Click:

Specifications K22770 data sheet, K22770 Chemical, K22770 Properties 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 - K22770

MATERIAL CATEGORY - Low alloy steel with high tensile
TECHNICAL SPECIFICATION - AMS 6436B
MELTING: Consumable electrode remelted steel
OFFICIAL TEST REPORT - issued by TUV - SGS -  BV
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (%):     0.20 ~ 0.25
Mn (%):   0.60 ~ 0.90
Si (%):     0.55 ~ 0.75
P (%)≤:   0.025
S (%)≤:   0.025
Cr (%):    1.00 ~ 1.50
V (%):     0.75 ~ 0.95
Mo (%):   0.40 ~ 0.60
Ni (%):    ≤ 0.25
Cu (%):   ≤ 0.35
MECHANICAL PROPERTY AND HARDNESS
Tensile strength,σb/≥ MPa: -
Yield strength, σ0.2/≥ MPa: -
Elongation, δ ≥(%): -
Reduction of area, ф ≥(%): -
Hardness in condition of annealing +A: HB305 max.
MELTING PROCESS & APPLICATION
This
alloy is generally smelt in Electric Arc Furnace  (EAF), EAF+LF+VD, BEF + Electroslag remelting (ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
It is suitable for applications such as high tensile shafts, bolts and nuts, gears, pinions spindles and so on. 
FORMS & DIMENSIONS
Round bar: 5.5mm to 400mm
Square bar / Flat bar: 10mm to 650mm
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 our resident team of qualified production engineers. E-mail:
sales@ccsteels.com
.
 

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