708M20
2017-10-12 13:15:50 Origin： Remark：0 Click：
Description 708M20 Ex-stock, Suppliers 708M20 Inventory, Round bar 708M20 Shaft Properties from Steelmaking, ESR melted, Blooming, 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 DATA SHEET - Grade BS 708M20
CHEMICAL COMPOSITIONS (Mass weight - %)
C (％): 0.17 ~ 0.23
C (％): 0.17 ~ 0.23
Si (%): 0.10 ~ 0.35
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.025
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.025
Cr (%): 0.85 ~ 1.15
Ni (%): -
Mo (%): 0.15 ~ 0.25
TYPICAL MECHANICAL PROPERTY
Tensile strength,σb/≥ MPa: 885
Yield strength, σ0.2/≥ MPa: 685
Yield strength, σ0.2/≥ MPa: 685
Elongation, δ ≥(％): 12.0
Reduction of area, (%): 50.0
Annealed hardness, HB ≤: 179 Min.
MELTING PROCESS
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, LF + Electroslag remelting (ESR).
For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
PROFILE AND DIMENSIONS
Round bar (Diameter): 5.5 to 650mm
Square bar / Flat bar: T3 to 500mm X W3 ~ 1200mm
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, LF + Electroslag remelting (ESR).
For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
PROFILE AND DIMENSIONS
Round bar (Diameter): 5.5 to 650mm
Square bar / Flat bar: T3 to 500mm X W3 ~ 1200mm
Wire rod (Diameter): 0.50 to 20mm
Length: Fixed length or random length or based on the customer's special requirement.
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 us: sales@ccsteels.com.
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers, E-mail us: sales@ccsteels.com.
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