1.7103
2021-04-29 10:23:57 Origin： Remark：0 Click：
Description 1.7103 Wire rod, Inventory 1.7103 Flat bars, Ex-stock 1.7103 Properties forgings bar From Melting, ESR & VAR technique, Blooming, Hot forging, Hot rolling, Heat treat, Straightening, 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
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 - %)
C (％): 0.62 ~ 0.72
Si (％): 1.20 ~ 1.40
Mn (％): 0.40 ~ 0.60
P (％)≤: 0.035
S (％)≤: 0.035
Cr (%): 0.40 ~ 0.60
Mo (%): -
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 with flanks / discs /tubes /slugs /donuts /cubes /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 with flanks / discs /tubes /slugs /donuts /cubes /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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