1.6958
2024-11-15 03:18:00 Origin： Remark：0 Click：
Hardened and tempered high tensile strength steel 1.6958 Round bar, flat bar, forging block, 1.6958 Electroslag remelting, Hot forging, Rolling, Heat treatment
TECHNICAL DATA SHEET - DIN 1.6958
MATERIAL CATEGORY: hardened and tempered steel
MELTING PROCESS - Consumable electrode remelted
H S Code for Customs - 7228 4000 / 7228 5000 / 7228 6000
H S Code for Customs - 7228 4000 / 7228 5000 / 7228 6000
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.25 ~ 0.30
Silicon, Si (％): 0.15 ~ 0.30
Manganese, Mn (％): 0.20 ~ 0.50
Silicon, Si (％): 0.15 ~ 0.30
Manganese, Mn (％): 0.20 ~ 0.50
Phosphorus, P (％) ≤: 0.020
Sulfur, S (％) ≤: 0.015
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 1.20 ~ 1.70
Molybdenum, Mo (％): 0.35 ~ 0.55
Nickel, Ni (％): 3.30 ~ 3.80
Vanadium, V (％): ≤ 0.15
Molybdenum, Mo (％): 0.35 ~ 0.55
Nickel, Ni (％): 3.30 ~ 3.80
Vanadium, V (％): ≤ 0.15
TYPICAL MECHANICAL PROPERTIES
Hot working temperature /℃: 1050 ~ 850
Hardness after annealing ≤ HBS: 280
Tensile strength, Rm ≥ MPa: 1140
Yield strength, Rp0.2 ≥ MPa: 1070
Elongation, A5 ≥ (%): 16.0
Reduction of area, Z ≥ (%): 55.0
Yield strength, Rp0.2 ≥ MPa: 1070
Elongation, A5 ≥ (%): 16.0
Reduction of area, Z ≥ (%): 55.0
Hardness: HB340
PRODUCT DESCRIPTION
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - heat treatment / QT
PROFILE & DIMENSIONS
Round bar / rod / disc (diameter): 5.50mm to 850mm
Square bar / Flat bar: 8mm to 1000mm
Plate / Steel strip: 1.0mm to 1000mm
Width: 8mm to 2000mm
Steel sheet: thickness 1.0 ~ 6.00mm, width 10 ~ 1000mm X length 1000/2000mm - Standard size
Length: random length or based on the customer's special requirement
Forged steel shape: stepped shafts, other different shapes based on OEM
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers. E-mail: sales@ccsteels.com.
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