4340 Alloy Steel Round Bar High Pressure 1 - 100MM Thickness
Brand Name:GNEE
Certification:ISO 9001
Model Number:Alloy Steel Round Bar
Minimum Order Quantity:3 ton
Delivery Time:5-8 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Anyang Henan China
Address:
FLAT/RM 1512 15/F LUCKY CENTRE NO.165-171 WAN CHAI ROAD WAN CHAI HK
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Product Details
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
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