100*22mm Sup9A spring steel flat bars
alloy steel flat bars
Why choose us?
1) Authorized Certificates : ISO9001:2008/SGS/BV.
2) Supply ability: 2000tons per day.
3) 22 years production experiences.
4) Customize base on your specification.
5) Exporting to more than 40 countries.
Specification table:
| Specifications | |||
| Measurement | Thickness | Width | Length |
| 6mm~35mm | 40mm~150mm | 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 composition table:
| GB/T 1222/2007 | ||||||||
| Steel Grade | C | Si | Mn | Cr | V | B | P | S |
| ≤ | ||||||||
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.25 | 0.035 | 0.035 | ||
| 60Si2Mn | 0.56-0.64 | 1.50-2.00 | 0.70-1.00 | ≤0.30 | 0.035 | 0.035 | ||
| 60Si2MnA | 0.56-0.64 | 1.60-2.00 | 0.70-1.00 | ≤0.35 | 0.025 | 0.025 | ||
| 55CrMnA | 0.52-0.60 | 0.17-0.37 | 0.65-0.95 | 0.65-0.95 | 0.025 | 0.025 | ||
| 60CrMnA | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 | 0.025 | 0.025 | ||
| 50CrVA | 0.46-0.54 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.10-0.20 | 0.025 | 0.025 | |
| JIS G 4801:2005 | ||||||||
| Steel Grade | C | Si | Mn | Cr | V | B | P | S |
| ≥ | ≤ | |||||||
| Sup6 | 0.56-0.64 | 1.50-1.80 | 0.70-1.00 | 0.030 | 0.030 | |||
| Sup7 | 0.56-0.64 | 1.80-2.20 | 0.70-1.00 | 0.030 | 0.030 | |||
| Sup9 | 0.52-0.60 | 0.15-0.35 | 0.65-0.95 | 0.65-0.95 | 0.030 | 0.030 | ||
| Sup9A | 0.56-0.64 | 0.15-0.35 | 0.70-1.00 | 0.70-1.00 | 0.030 | 0.030 | ||
| Sup10 | 0.47-0.55 | 0.15-0.35 | 0.65-0.95 | 0.80-1.10 | 0.15-0.25 | 0.030 | 0.030 | |
| Sup11A | 0.56-0.64 | 0.15-0.35 | 0.70-1.00 | 0.70-1.00 | 0.0005 | 0.030 | 0.030 | |
| Sup12 | 0.51-0.59 | 1.20-1.60 | 0.60-0.90 | 0.60-0.90 | 0.030 | 0.030 | ||
| DIN 17221-1988 | ||||||||
| Steel Grade | C | Si | Mn | Cr | V | B | P | S |
| ≥ | ≤ | |||||||
| 60SiCr7 | 0.57-0.65 | 1.50-1.80 | 0.70-1.00 | 0.20-.040 | 0.030 | 0.030 | ||
| 55Cr3 | 0.52-0.59 | 0.25-0.50 | 0.70-1.10 | 0.70-1.00 | 0.030 | 0.030 | ||
| 50CrV4 | 0.47-0.55 | 0.15-0.40 | 0.70-1.10 | 0.90-1.20 | 0.10-0.20 | 0.030 | 0.030 | |
| BS EN 10089:2002 | ||||||||
| Steel Grade | C | Si | Mn | Cr | V | B | P | S |
| ≥ | ≤ | |||||||
| 61SiCr7 | 0.57-0.65 | 1.60-2.00 | 0.70-1.00 | 0.20-.045 | 0.025 | 0.025 | ||
| 55Cr3 | 0.52-0.59 | ≤0.40 | 0.70-1.00 | 0.70-1.00 | 0.025 | 0.025 | ||
| 51CrV4 | 0.47-0.55 | ≤0.40 | 0.70-1.10 | 0.90-1.20 | 0.10-0.25 | 0.025 | 0.025 | |
| ASTM standard | ||||||||
| Steel Grade | C | Si | Mn | Cr | V | B | P | S |
| ≥ | ≤ | |||||||
| 1045 | 0.43-0.50 | 0.17-0.37 | 0.60-0.90 | ≤0.25 | 0.040 | 0.050 | ||
| 5155 | 0.51-0.59 | 0.15-0.35 | 0.70-0.90 | 0.70-0.90 | 0.035 | 0.040 | ||
| 5160 | 0.56-0.61 | 0.15-0.35 | 0.75-1.00 | 0.70-0.90 | 0.035 | 0.040 | ||
| 6150 | 0.48-0.53 | 0.15-0.35 | 0.70-0.90 | 0.80-1.10 | 0.035 | 0.040 | ||
| 9260 | 0.56-0.64 | 1.80-2.20 | 0.75-1.00 | 0.035 | 0.040 | |||
Any further information you need, contact us please!!!