SS 1770 datasheet,SS 1770 chemical,SS 1770 heat treatment
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SS 1770
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Material Technical Standard of SIS EN ISO 4957 -2001 tool steel SS 1770 datasheet,Grade SS 1770 Chemical compositions, SS 1770 Mechanical properties from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining. Technical specification - SIS EN ISO 4957 -2001. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL DATA SHEET:  SS 1770

MATERIAL CATEGORY: Carbon tool steel
MATERIAL SPECIFICATIONS: SIS EN ISO 4957 -2001
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (%):     0.65 ~ 0.75
Si (%):     0.15 ~ 0.40
Mn (%):   0.60 ~ 0.80
P (%)≤:   0.030
S (%)≤:   0.030
HOT WORKING, HEAT TREATMENT PRACTICE AND HARDNESS
Hot working temperature /℃: 1000 ~ 750
Annealing temperature /℃: 750
Annealed hardness, ≤ HB: 200
Quenching temperature /℃: 800 ~ 820
Cooling medium: water
Tempering temperature /℃: 140 ~ 200
Hardness under tempered condition ≥HRC: 62 ~ 56
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.

PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter):  0.50 to 550mm
Square bar / Flat bar: T3 to 500mm X W3 ~ 1200mm
Wire rod (Diameter):  0.30 to 15mm
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.

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