4340 Alloy Steel Round Bar High Pressure 1 - 100MM Thickness
3 ton
MOQ
Negotiable
Price
4340 Alloy Steel Round Bar High Pressure 1 - 100MM Thickness
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Features
Basic Infomation
Place of Origin: Henan
Brand Name: GNEE
Certification: ISO 9001
Model Number: Alloy Steel Round Bar
High Light:

4130 Grade Alloy Steel Round Bar

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100MM Alloy Steel Round Bar

Payment & Shipping Terms
Packaging Details: Standard Sea-worthy Packing
Delivery Time: 5-8 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2500 ton/tons per month
Specifications
Tolerance: ±1%
Processing Service: Bending, Welding, Decoiling, Punching, Cutting
Grade: 4340
Brand: GNEE
Thickness: 1-100MM
Length: 12M, 6m, 6.4M, 3-12m
Product Description

4340 Alloy Steel Round Bar High Pressure Steel Pipe For Producing

4340 alloy steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality medium carbon, Oil Quenched & Tempered Hardenss is 28-34 HRc.4340 Annealing delivery hardenss less than 250HB.


Regular size and Tolerance

1) Hot Rolled round bar
Diameter
(mm)
Diameter Tolerance
(mm)
Diameter
(mm)
Diameter Tolerance
(mm)
≤12.70 -0.13 ~0.30 >50.80~63.5 -0.25~0.76
12.7~25.40 -0.13~0.41 >63.50~76.20 -0.25~1.02
>25.4~38.10 -0.15~0.51 >76.20~101.60 -0.30~+1.27
>38.1~50.80 -0.20~0.64 >101.60~203.20 -0.38~3.81
       
2) Hot Rolled steel plate
Thickness
(mm)
Thickness Tolerance
(mm)
Thickness
(mm)
Thickness Tolerance
(mm)
≤25.4 -0.41~0.79 >127~152 -1.60~2.39
>25.4~76 -0.79~1.19 >178~254 -1.98~3.18
>76~127 -1.19~1.60 >254~305 -2.39~3.96
 

Forming
AISI 4340 alloy steel has good ductility and formability in the annealed condition. It can be bent or formed by pressing or spinning in the annealed state.

Welding
AISI 4340 alloy steel can be welded using fusion or resistance welding methods. Preheat and post heat weld procedures are followed while welding this steel by established methods.

4340 Alloy Steel Round Bar High Pressure 1 - 100MM Thickness 0

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