STC 3
2017-12-21 11:28:05 Origin： Remark：0 Click：
Technical Specifications of KS D3751 - 1999 Carbon tool steel STC 3 Round bar, Flat bar, Plate, ESR melted, Hot blooming, STC 3 Hot forging, Hot rolling, Heat treatment
TECHNICAL DATA SHEET - KS STC 3
CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 1.00 ~ 1.10
Carbon, C (％): 1.00 ~ 1.10
Silicon, Si (％): ≤ 0.35
Manganese, Mn (％): ≤ 0.50
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.030
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.030
Chromium, Cr (%): ≤ 0.30
Nickel, Ni (%): ≤ 0.25
Copper, Cu (%): ≤ 0.25
HOT WORKING AND HEAT TREATMENT PRACTICE
Annealing temperature /℃: 780 ~ 780
Annealed hardness, ≤ HB: 212
Quenching temperature /℃: 760 ~ 820
Cooling medium: water
Tempering temperature /℃: 150 ~ 200
Hardness under tempered condition HRC: 63
Tempering temperature /℃: 150 ~ 200
Hardness under tempered condition HRC: 63
MELTING PROCESS
This alloy is generally smelt in Non-vacuum furnace + ESR, Electric Arc Furnace (EAF).
For a purpose of superior quality, it should be smelt via manufacturing technology by agreement.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar & Disc (diameter): 5.50 to 850mm
Square bar / Flat bar: THK 3 to 500mm X Width 3 ~ 600mm
This alloy is generally smelt in Non-vacuum furnace + ESR, Electric Arc Furnace (EAF).
For a purpose of superior quality, it should be smelt via manufacturing technology by agreement.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar & Disc (diameter): 5.50 to 850mm
Square bar / Flat bar: THK 3 to 500mm X Width 3 ~ 600mm
Steel strip: THK0.15 ~ 2.50 X W8.0 ~ 300mm
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, Email: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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