Home > Industry Information > ASTM Steel Round Bar, Alloy Steel Bar Supplied From Manufacturer SAE4340
ASTM Steel Round Bar, Alloy Steel Bar Supplied From Manufacturer SAE4340
2021-05-09
- Model NO.: SAE4340
- Standard: AISI, ASTM, GB, JIS, DIN, BS
- Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar, Shipbuilding Industry
- Alloy: Alloy
- Ultrasonic Test: Sep1921-84 Class C/C, D/D
- Steel Ingot: Eaf+Lf+Vd
- Tolerance: -0/+2mm for Size and -0/+20mm for Length
- Delivery Period: Within 45 Days
- Mark Color: by Request
- Trademark: Zhuhong
- Origin: Wuxi China
- Type: Alloy Steel Bar
- Technique: Forged
- Surface Treatment: Peeled
- Special Use: Free Cutting Steel
- Size Range: 90mm-800mm
- Material: SAE4340
- Delivery Condition: Forged +Q/T+Rough Turned
- Place of Origin: Wuxi,China
- Mechanical Property: by Request
- Specification: E ASTM A370
- HS Code: 7228400000
Astm Steel Round Bar,Alloy Steel Bar Supplied From Manufacturer SAE4340
PHOTOS:Grade:4340
Process: Forged from vacuum degassed ingots.
Shape: Round /Square/Plat/shaft/block
Chemical composition:
Process: Forged from vacuum degassed ingots.
Shape: Round /Square/Plat/shaft/block
Chemical composition:
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | V | Al |
| 0.38/0.43 | 0.15/0.35 | 0.65/0.85 | <=0.025 | <=0.025 | 0.7/0.9 | 1.65/2.0 | 0.2/0.3 | <=0.2 | <=0.05 | 0.02/0.05 |
| Material: | 4340 forged steel round bar Or square bar |
| Process: | Forged from vacuum degassed ingots. |
| Diameter: | 130mm-1000mm (optional) |
| Length: | 1000mm-12000mm Straightness: 3mm/M max(optional) |
| Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
| Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
| Delivery Time: | 30-45 days |
| MOQ: | 15tons |
| Heat treatment: | Normalized / Annealed / Quenched / tempered (optional) |
| Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
| Properties: | As your request |
| 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 |
| Payment: | 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
| similar steel grade | SAE4340/AISI4340 |
| Application: | Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. |
Peeled or turned steel bar is produced by peeling or turning from hot rolled steel bar. Our advantages and more services of cold drawn steel round bar includes:
1) Wide range of diameters from 20mm to 150mm
2) Customized Length from 100mm to 12000mm
3) Good surface roughness: 0.4um to 1.6um
4) Good straightness: 0.5mm/m to 2mm/m
5) Good roundness: 80% of diameter tolerance
6) Diameter tolerance: -0.02mm to -0.1mm / h9, h10, h11
7) Matched further processing: Grinding, polishing, straightening
8) Anti-rusty package
9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
10) Fast delivery time
Turned and polished Steel Bar, Turned Ground and Polished Steel Round Bar, Centerless Ground Shaft, Ground and Polished Round Steel Bar, Peeled Ground and Polished Round Steel Bar
Complete Production Line,Sterilization Machine Co., Ltd. http://www.sdthreadedrods.com