1.7103
2021-04-29 10:23:57 Origin： Remark：0 Click：
Spring Steel 1.7103 Wire rod, Inventory 1.7103 Flat bars, ESR & VAR technique, Blooming, Hot forging, Hot rolling, Heat treatment, cold machined.
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL SPECIFICATION DATASHEET - Grade 1.7103
MATERIAL TYPE - Spring Steel
MATERIAL STANDARDS - DIN 17221
MELTING PROCESS - Consumable electrode remelted steel
H S CODE For Customs - 7228 4000 / 7228 5000 / 7228 6000
OFFICIAL TEST REPORT - issued by TUV - SGS - BV
CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 0.62 ~ 0.72
Silicon, Si (％): 1.20 ~ 1.40
Manganeee, Mn (％): 0.40 ~ 0.60
Phosphorus, P (％)≤: 0.035
Sulfur S (％)≤: 0.035
Chromium Cr (%): 0.40 ~ 0.60
Molybdenum, Mo (%): -
Vanadium, V (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Range of size/mm|flat bar: 20
Range of size/mm|round bar: 40
Mechanical property ≥|σb/MPa: 1470～1670
Mechanical property ≥|σs/MPa: 1320
Mechanical property ≥|δ5(%): 5.0
Mechanical property ≥|ψ(%): 20.0
Mechanical property ≥|Akv /J: 14
HOT WORKING & HEAT TREATMENT
Hot working temperature /℃: 1050~850
Thermal forming temperature /℃: 900~820
Heat treatment temperature/℃|annealing /℃: 640～680
Heat treatment temperature/℃|normalizing /℃: 850~880
Heat treatment temperature/℃|quenching /℃: 830～860 Oil
Heat treatment temperature/℃|tempering /℃: 430～500
Hardness after annealing ≤HBW: 240
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 450mm
Square bar / Flat bar: 3mm to 610mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
Mechanical property ≥|σs/MPa: 1320
Mechanical property ≥|δ5(%): 5.0
Mechanical property ≥|ψ(%): 20.0
Mechanical property ≥|Akv /J: 14
HOT WORKING & HEAT TREATMENT
Hot working temperature /℃: 1050~850
Thermal forming temperature /℃: 900~820
Heat treatment temperature/℃|annealing /℃: 640～680
Heat treatment temperature/℃|normalizing /℃: 850~880
Heat treatment temperature/℃|quenching /℃: 830～860 Oil
Heat treatment temperature/℃|tempering /℃: 430～500
Hardness after annealing ≤HBW: 240
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 450mm
Square bar / Flat bar: 3mm to 610mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers, Email us: sales@ccsteels.com.
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