alloy spring steel flat bar
alloy spring steel flat bar
General Features:
Flat Spring Steel for Vehicle Leaf Spring is used for manufacturing various types of springs and components, for the suspension mechanism in automobiles or the railways.With the shirt stress production line that can finish foundry and rolling in one process, we are able to produce dozens type of spring flat steel from 6*40mmto 20*150mm. The material are mainly 65Mn and 60Si2Mn.This product is the best choice for springs and chains for car and agriculturre machine.
alloy spring steel bar
| Specifications | |||
| Measurement | Thickness | Width | Length |
| 5mm~32mm | 45mm~130mm | 4000mm-8000mm (customized) | |
| Certificate | ISO 9001: 2008 | ||
| Standard | GB JIS DIN SAE ASTM AISI | ||
| Edge(Cross Section) | round edge profile to DIN59145 | Square edge profile to DIN59146 | |
| Bundle Weight | Around 2.0 MT | ||
| MOQ | 10MT or Can be Negotiated | ||
| Technique | Hot Rolled | ||
| Surface | Grooved | Plain-smoothed | |
| Quenchant | Oil/Water | ||
| Raw Material | Concast Steel Billets (150x150mm) | ||
| Temper Stressing | 480°C-560°C | ||
| Quenching Temprature: | 800°C-1000°C | ||
| OEM | Material Composition Offered by Customers | ||
| Application | sup9/sup9a/sup10/55Cr3/50CrV4 | Automotive suspension springs | |
| sup7/9260/30CrMnB/27CrMnB | Rotary tools and Blades | ||
| Capacity | 1000-2000 MT/Day, Over 400,000 MT/Year | ||
| Payment Term | 100% L/C at Sight. | 30% T/T Down Payment, Balance Against B/L Copy. | |
| Shipment Time | 10-20 working days after confirming the order | ||
| Packing | In bundles. Each bundle packed with 2 steel strips and 3 steel wires. | ||
| Chemical Compositional Chart | ||||||||
| Standard | Material/Grade | C | SI | Mn | Cr | V | P | s |
| ≤ | ||||||||
| DIN 17221 | 60SiCr7 | 0.57-0.65 | 1.50-1.80 | 0.70-1.00 | 0.20-0.40 | 0.03 | 0.03 | |
| 55Cr3 | 0.52-0.59 | ≤0.40 | 0.70-1.00 | 0.70-1.00 | 0.025 | 0.025 | ||
| 60Cr3 | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 | 0.025 | 0.025 | ||
| 50CrV4 | 0.47-0.55 | 0.15-0.40 | 0.70-1.00 | 0.70-1.10 | 0.10-0.20 | 0.03 | 0.03 | |
| JIS G4801 | SUP6 | 0.55-0.65 | 1.50-1.80 | 0.70-1.00 | 0.035 | 0.035 | ||
| SUP7 | 0.55-0.65 | 1.80-2.20 | 0.70-1.00 | 0.035 | 0.035 | |||
| SUP9 | 0.52-0.60 | 0.15-0.35 | 0.65-0.95 | 0.65-0.95 | 0.03 | 0.03 | ||
| SUP9A | 0.56-0.64 | 0.15-0.35 | 0.70-1.00 | 0.70-1.00 | 0.03 | 0.03 | ||
| SUP10 | 0.47-0.55 | 0.15-0.35 | 0.65-0.95 | 0.80-1.10 | 0.15-0.25 | 0.03 | 0.03 | |
| SAE J1268 | 9260/H | 0.55-0.65 | 0.70-1.20 | 0.65-1.10 | ≤0.2 | 0.04 | 0.03 | |
| 5155 | 0.50-0.60 | 0.15-0.35 | 0.65-1.10 | 0.60-1.00 | 0.04 | 0.03 | ||
| 5160/H | 0.55-0.65 | 0.15-0.35 | 0.65-1.10 | 0.60-1.00 | 0.04 | 0.03 | ||
| 6150 | 0.47-0.54 | 0.15-0.35 | 0.60-1.00 | 0.75-1.20 | ≤0.15 | 0.04 | 0.03 | |
Delivery Conditions:
l Flat Spring Steel all bundles tied with wire/strapping at 3/4 places.
l Approximate bundle weight: 1.0 to 2.0 MT
l Grade No. Identification: by painted color code written on each bundle
For any further details, contact us please.