ASTM A739 type B22
2015-12-07 14:01:55 Origin： Remark：0 Click：
ASTM A739 Specification Low Alloy Steel B22 Round bar, Flat bar, Plate A739 type B22 Stock Available, Heat treatment, Cold worked
TECHNICAL DATASHEET - ASTM A739 type B22
Stock Available & Inventory - Round bar Diam. 15 ~ 220mm, Plate and sheet
MATERIAL CATEGORY - Low alloy steel
MATERIAL STANDARDS - ASTM A739
CHEMICAL COMPOSITION (mass fraction in percent - %)
Carbon, C (％): 0.05 ~ 0.15
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.020
Chromium, Cr (%): 2.00 ~ 2.50
CHEMICAL COMPOSITION (mass fraction in percent - %)
Carbon, C (％): 0.05 ~ 0.15
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.020
Chromium, Cr (%): 2.00 ~ 2.50
Molybdenum, Mo (%): 0.90 ~ 1.10
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Mechanical property, Yield strength, Rp0.2 / MPa: 310
Mechanical property, Tensile strength, Rm ≥ MPa: 515 ~ 655
Mechanical property, Elongation, A5 (%): 18.0
Mechanical property, Elongation, A5 (%): 18.0
Mechanical property, Reduction of area, Z ≥ ψ (％): 45.0
HEAT TREATMENT PRACTICE
Normalizing temperature /℃: 927 ~ 982
Tempering temperature /℃: 677 Min.
TYPICAL APPLICATIONS
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.
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.
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc / Rod (diameter): 5.5 ~ 850mm
Square bar / Flat bar: 8mm to 600mm
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
Forging piece: stepped shafts, other different shapes based on OEM.
Round bar / Disc / Rod (diameter): 5.5 ~ 850mm
Square bar / Flat bar: 8mm to 600mm
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
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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