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SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

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Brand Name :UST
Model Number :Dia: 80-1200mm
Certification :ISO 9001
Place of Origin :China
MOQ :MOQ: 5-10 ton
Price :USD 800- 1200/ton
Supply Ability :1500 ton/month
Delivery Time :Within 10-45 days
Packaging Details :Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Usage :mechanical
Quality Standard :ASTM A29
Surface condition :Black or bright
Heat treatment :Annealed/Normalized/Q+T
Inspection :the third party is acceptable
Length :as customers requirements
Certificate :ISO9001-2008
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View Product Description

SAE4340 Forged alloy steel, Forged steel bar, DIA 80-1200mm
Application
Components for the aircraft, automotive and general engineering industries eg. Propeller shafts, connecting rods, gear shafts, and other automobile parts. Heavy forgings, eg. Rotors, shafts, discs.
Equivalent Grades:

SAE4340JISSNCM439
Greman W.Stoff No.1.6582GB40CrNiMoA
BS816M40EN24

Chemical composition:

CSiMnPSCrNiMo

0.38-0.43

0.15-0.35

0.60-0.80

0.035 max

0.040 max

0.7-0.9

1.65-2.0

0.2-0.3

Mechanical Properties:

Tensile strengthYield strengthElongation rateContractibility rateImpact Energy

Hardness

(HBS100/3000)

≥980MPa≥835MPa≥12%≥55%≥78J≤269

SPECIFICATION OF ALLOY STEEL AISI4340 ROUND BARS:

Diameter:80mm-1200mm (optional)
Length:1000mm-12000mm Straightness: 3mm/M max(optional)
Process:Forged from vacuum degassed ingots.
Delivery condition:Hot forged Rough machined (black surface after Q/T) Turned (optional)
Delivery Time:10-40 days
Heat treatment:Normalized / Annealed / Quenched / tempered (optional)
Technical Data:According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Test:Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional)
Marking:

Grade, heat NO. length will be stamped one each bar with required color


SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface














China SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface for sale

SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

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