4320H / H43200
2025-11-03 16:17:00 Origin： Remark：0 Click：
Hardenability requirement alloy structural steel 4320H round bar, flat bar, plate, data sheet, 4320H Chemical compositions, 4320H Mechanical properties
TECHNICAL DATA SHEET - AISI 4320H & H43200
Material category: ASTM hardenability requirement alloy structural steel
Techical specifications: ASTM A304 -2004
Material category: ASTM hardenability requirement alloy structural steel
Techical specifications: ASTM A304 -2004
Official test report: issued by TUV - SGS - BV
Typical chemical compositions (mass weight %)
Carbon, C (％): 0.17 ~ 0.23
Typical chemical compositions (mass weight %)
Carbon, C (％): 0.17 ~ 0.23
Silicon, Si (%): 0.15 ~ 0.35
Manganese, Mn (％): 0.40 ~ 0.70
Manganese, Mn (％): 0.40 ~ 0.70
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.025
Chromium, Cr (%): 0.35 ~ 0.65
Molybdenum, Mo (%): 0.20 ~ 0.30
Nickel, Ni (%): 1.55 ~ 2.00
END-QUENCH (hardenability) TEST TEMPERATURE
Heat treatment temperature /normalizing: 930 ℃
Heat treatment temperature /quenching: 930 ℃
MAIN FEATURES AND MELTING PROCESS
The steels shall be manufactured by melting process EF, LF + EAF+ VD, IFF + ESR Melted. VIM + ESR can be handled by agreement. Forgings may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering.
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 rods
Mechanical parts - connecting rods, bolts and nuts
Multidiameter shafts
PRODUCT PROFILE AND SUPPLYING FORMS
Round bar / disc (diameter): 6.0 to 800 mm
Square bar / flat bar: 8 to 600 mm
Length: random length, based on the customer's special requirement.
Steel strip: T0.40 ~ 3 X W10 ~ 200 X Coil
Heavy/middle plate via hot rolled: T4 ~ 200 X W10 ~ 500 X L1000 ~ 12000mm
Forging piece: stepped shafts, and other different shapes based on OEM requirement.
The steels shall be manufactured by melting process EF, LF + EAF+ VD, IFF + ESR Melted. VIM + ESR can be handled by agreement. Forgings may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering.
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 rods
Mechanical parts - connecting rods, bolts and nuts
Multidiameter shafts
PRODUCT PROFILE AND SUPPLYING FORMS
Round bar / disc (diameter): 6.0 to 800 mm
Square bar / flat bar: 8 to 600 mm
Length: random length, based on the customer's special requirement.
Steel strip: T0.40 ~ 3 X W10 ~ 200 X Coil
Heavy/middle plate via hot rolled: T4 ~ 200 X W10 ~ 500 X L1000 ~ 12000mm
Forging piece: stepped shafts, and other different shapes based on OEM requirement.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
- Email us: lh.steel@hotmail.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
- Email us: lh.steel@hotmail.com
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