T55Si7
2023-09-29 08:42:36 Origin： Remark：0 Click：
IS 1570 - 6 Material Specification T55Si7 Tool Steel Round bar, Flat bar, Plate, Forgings T55Si7 Heat treatment, Straightening, 100% Ultrasonic flaw detection test.
TECHNICAL SPECIFICATION DATASHEET - Grade T55Si7
Material Category - 1.1Cr - 0.2V Middle Carbon Tool Steel
Material Specifications - IS 1570 - 6 (1996 / 2001 )
Special Melting Process - EAF + VD + LF / BEF + ESR
H S CODE For Customs: 7228 4000 / 7228 5000 / 7228 6000
READY STOCK ON HAND - Round bar diameter 20 ~ 150mm
Official Test Certificate - issued by TUV - SGS - BV
Material Category - 1.1Cr - 0.2V Middle Carbon Tool Steel
Material Specifications - IS 1570 - 6 (1996 / 2001 )
Special Melting Process - EAF + VD + LF / BEF + ESR
H S CODE For Customs: 7228 4000 / 7228 5000 / 7228 6000
READY STOCK ON HAND - Round bar diameter 20 ~ 150mm
Official Test Certificate - issued by TUV - SGS - BV
MAIN CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.50 ~ 0.60
Silicon, Si (％): 1.50 ~ 2.00
Manganese, Mn (％): 0.80 ~ 1.00
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): -
Molybdenum, Mo (%): -
Vanadiuml, V (％): -
Ferrum, Fe (%): Balance.
MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE
Hot working tenperature /℃: 1090 ~ 950
Annealing temperature /℃: 640 ~ 680
Quenching temperature /℃: 820 ~ 860
Cooling medium: oil
Common tempering temperature /℃: 430 ~ 500
Forms: Round bar, flat bar, strip, sheet.
Tensile strength, σb/≥ MPa: 1470 ~ 1700
Yield strength, σ0.2/MPa: 1050
Elongation, δ ≥(％): 6.0
Reduction of area, ф ≥ (％): 25.0
Hardness via annealing heat treatment /HBW: 230 max.
TECHNICAL SALES ASSISTANCE
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