EN 57 datasheet,EN 57 chemical,EN 57 heat treatment

EN 57
2021-06-23 08:29:28   Origin:   Remark:0 Click:

Specifications EN 57 Datasheet, Ex-stock EN 57 Chemical, Inventory EN 57 Property 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 - Grade EN 57

MATERIAL CATEGORY - alloy steel with 17%Cr / 2.0Ni
TECHNICAL SPECIFICATION - BS970 Part 6
MELTING PROCESS - Consumable electrode remelted steel
OFFICIAL TEST REPORT - issued by TUV - SGS -  BV
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (%):     0.20 ~ 0.30
Mn (%):   0.70 ~ 1.50
Si (%):    ≤ 1.50
P (%)≤:   0.035
S (%)≤:   0.025
Cr (%):    15.5 ~ 20.0
Ni (%):     1.00 ~ 3.00
MECHANICAL PROPERTY AND HARDNESS
Quenching temperature /℃:-
Tempering temperature /℃:-
Tensile strength,σb/≥ MPa: 850
Yield strength, σ0.2/≥ MPa: 635
Elongation, δ ≥(%): 11.0
Reduction of area, ф ≥(%): -
Hardness in condition of annealing +A: HB280
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. 
AVAILABLE FORMS & DIMENSIONS
Round bar: 5.5mm to 550mm
Square bar / Flat bar: 10mm to 610mm
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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