SAE5160 Spring Steel Flat Bar
SAE5160 Spring Steel Flat Bar
1. Material: 65Mn, 60Si2Mn, 50CrVA, SUP-9 etc.
2. Type: Smooth Plain, Double grooved.
; strong resistance & good elasticity; perfect machinability
5. Usage: Automobile laminated leaf spring, agricultural machinery & implements(rotary coulter), tools and machines etc.
6. Packing: Standard seaworthy packing or as customer required

Chemical Composition | |||||||||||
| Steel Grade | Chemical Composition (%) | ||||||||||
| C | Si | Mn | Cr | V | W | B | Ni | Cu | P | S | |
| Not more than | |||||||||||
| 65 | 0.62-0.70 | 0.17-0.37 | 0.50-0.80 | ≤ 0.25 | 0.25 | 0.25 | 0.035 | 0.035 | |||
| 70 | 0.62-0.75 | 0.17-0.37 | 0.50-0.80 | ≤ 0.25 | 0.25 | 0.25 | 0.035 | 0.035 | |||
| 85 | 0.82-0.90 | 0.17-0.37 | 0.50-0.80 | ≤ 0.25 | 0.25 | 0.25 | 0.035 | 0.035 | |||
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤ 0.25 | 0.25 | 0.25 | 0.035 | 0.035 | |||
| 55SiMnVB | 0.52-0.60 | 0.17-1.00 | 1.00-1.30 | ≤ 0.35 | 0.08-0.16 | 0.0005-0.0035 | 0.35 | 0.25 | 0.035 | 0.035 | |
| 60Si2Mn | 0.56-0.64 | 1.50-2.00 | 0.70-1.00 | ≤ 0.35 | 0.35 | 0.25 | 0.035 | 0.035 | |||
| 60Si2MnA | 0.56-0.64 | 1.60-2.00 | 0.70-1.00 | ≤ 0.35 | 0.35 | 0.25 | 0.035 | 0.025 | |||
| 60Si2CrA | 0.56-0.64 | 1.40-1.80 | 0.40-0.70 | 0.70-1.00 | 0.35 | 0.25 | 0.035 | 0.025 | |||
| 60Si2CrVA | 0.56-0.64 | 1.40-1.80 | 0.40-0.70 | 0.90-1.20 | 0.10-0.20 | 0.35 | 0.25 | 0.035 | 0.025 | ||
| 55SiCrA | 0.51-0.59 | 1.20-1.60 | 0.50-0.80 | 0.50-0.80 | 0.35 | 0.25 | 0.025 | 0.025 | |||
| 55CrMnA | 0.52-0.60 | 0.17-0.37 | 0.65-0.95 | 0.65-0.95 | 0.35 | 0.25 | 0.025 | 0.025 | |||
| 60CrMnA | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 | 0.35 | 0.25 | 0.025 | 0.025 | |||
| 50CrMnA | 0.46-0.54 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.10-0.20 | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 60CrMnBA | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 | 0.0005-0.0040 | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 30W4Cr2VA | 0.26-0.34 | 0.17-0.37 | ≤ 0.40 | 2.00-2.50 | 0.50-0.80 | 4.00-4.50 | 0.35 | 0.25 | 0.025 | 0.025 | |
We produce spring flat steel. Our Jinguo Brand spring steel bar is in excellent quality and competitive price. We can produce and supply almost all grades of spring steel bars: 65Mn, 55Si2Mn, 60Si2Mn, 60Si2MnA, 55CrMnA, 60CrMnA, 60CrMnBA, 50CrVA; 60Si7, 55Si7, 55Cr3, 50CrV4, 51CrV4; SUP6, SUP7, SUP9, SUP9A, SUP10A; SAE1066, SAE1070, SAE5155, SAE5160, SAE9255, SAE9260 according to ASTM A29, ASTM A322, BS EN 10089-2002, DIN 17221-1988, GB/T 1222-1984, JIS G4801-2005.

1.Company introduction
Jinguo Steel Group Co., Ltd. is located in Wuxi Jiangsu Province. Our company mainly work on overseas sales business for special steel. Our products have obtained ISO9001:2000 approval certificate, QS-9000 : 1998 (American Vehicle Steel Quality System ) approval certificate, ISO14001:1996 (Environmental Management System) approval certificate and API (American Petroleum Tube Production Quality System) approval certificate. These certificates cover the whole production and service process of all hot-rolled steel products such as structural steel, bearing steel, gearing steel and spring steel etc.
2.Culture of our company
Business Purpose
Create value for customers, profit for shareholders,
Future for employees, and prosperity for the society .
Operation Philosophy
Create value for customers, and achieve a win-win situation.
Corporation values
Integrity, innovation, team work and high-quality.
3.Our main partners
Why do you choose us?
1. Superior quality with good elasticity.
2. Short delivery time, reasonable price and best payment condition.
3. Samples available for free.
4. Outstanding service.
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