1.7220
2015-02-03 08:59:29 Origin： Remark：0 Click：
Description 1.7220 Inventory, Suppliers 1.7220 Stocklist, Round bar 1.7220 Ex-stock properties from steelmaking, ESR, blooming, forging, rolling, heat treatment, straightened, ultrasonic test, cold working, machined. We also possess advanced precision machining equipments for further processing.
Material specification - DIN EN 10083-2/3 (2006), DIN 17212 (1972) / by agreement.
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL DATASHEET - W-Nr 1.7220
MATERIAL CATEGORY - Flame and high-frequency heating surface hardening steel
MATERIAL SPECIFICATIONS - DIN EN 10083-2/3 (2006), DIN 17212 (1972)
CHEMICAL COMPOSITION (Mass Weight - %)
C (％): 0.30 ~ 0.37
Si (％): ≤ 0.40
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): 0.90 ~ 1.20
Mo (％): 0.15 ~ 0.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealing: 680～720
C (％): 0.30 ~ 0.37
Si (％): ≤ 0.40
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): 0.90 ~ 1.20
Mo (％): 0.15 ~ 0.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealing: 680～720
Heat treatment temperature /℃|normalizing: 850～880
Heat treatment temperature /℃|quenching: 830~860Water，840~870Oil
Heat treatment temperature /℃|tempering: 480～650
Heat treatment temperature /℃|surface hardening: 820～850
Surface hardness HBC≤: 51~57
Heat treatment temperature /℃|surface hardening: 820～850
Surface hardness HBC≤: 51~57
Size /mm: ≤16
|σb≥/MPa: 980~1180
|σs≥/MPa: 780
|δ5≥(％): 11
|ψ≥(%): 45
|AKV≥/J: 41
Size /mm: 16~40
|σb≥/MPa: 880~1030
|σs≥/MPa: 635
|δ5≥(％): 12
|ψ≥(%): 50
|AKV≥/J: 48
Size /mm: 40~100
|σb≥/MPa: 780~930
|σs≥/MPa: 540
|δ5≥(％): 14
|ψ≥(%): 55
|AKV≥/J: 48
Size /mm: 100~250
|σb≥/MPa: 690~860
|σs≥/MPa: 440
|δ5≥(％): 15
|ψ≥(%): 60
|AKV≥/J: 48
AVAILABLE SHAPES
Round bar / flat bar / hollow bar / forgings / strip / Sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
Round bar / flat bar / hollow bar / forgings / strip / Sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
AVAILABLE PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 - 400mm X W50 - 1200mm X L1000 - 5000mm
Sheet steel via cold rolled: T0.5 - 6mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rod
Mechanical parts - connecting rod, bolt and nut
Multidiameter shaft
Pressure vessel, seamless pipe
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rod
Mechanical parts - connecting rod, bolt and nut
Multidiameter shaft
Pressure vessel, seamless pipe
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, E-mail: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, E-mail: sales@ccsteels.com.
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