SHANGHAI UNITE STEEL
One-stop Brand Service Provider For Globle Machinery And Petrochemical Enterprise And Special Steel Distributor.
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ASTM 5120 / EN 20MnCr5 1.7147 Alloy Steel Bar / Rod Forged 130-1600mm
INTRODUCTION
GENERAL CHARACTERISTICS OF ALLOY STEEL 5120
This is a low-carbon chromium-bearing, case-hardening alloy steel used where good wear resistance and toughness are required.
APPLICATIONS
This alloy is used for highly stressed parts with medium cross sections for automotive and general engineering applications, such as forged camshafts and gears, gear shafts, bushings and connecting rods.
-Delivery Conditions:
Cold drawn: 4-100 mm
Peeled: 30-160 mm
Grinded: 4- 600 mm
Turned: 130-1200 mm
Hot rolled: 12-320 mm
Hot forged: 130-1600 mm
- EAF+(ESR) or EAF+LF+VD+(ESR)
- HOT rolled; Cold rolled; Forged; Cold Drawn
- Heat Treatment: Untreated, Annealing, N+T, Q+T
- Smelting: EAF+LF+VD (+ESR)
- Surface Finish: Black, Rough Machined, Peeled, Turned or upon request
- UT 100% passed
- Cutting service provided
- Third Party inspection is acceptable (SGS, BV etc.)
COMMON 5120 STEEL EQUIVALENCY
| Country | USA | German | British | Japan | China | Australia |
| Standard | ASTM A29 | DIN 17200 | BS 970 | JIS G4105 | GB/T 3077 | AS 1444 |
| Grades | 5120 | 1.7147/ 20MnCr5 | 20MnCr5 | SMnC420 | 20CrMn | 5120 |
5120 STEEL BAR CHEMICAL COMPOSITION
| Standard | Grade | C | Mn | P | S | Si | Cr |
| ASTM A29 | 5120 | 0.17-0.22 | 0.70-0.90 | 0.035 | 0.040 | 0.15-0.35 | 0.70-0.90 |
| EN 10250 | 20MnCr5/ 1.7147 | 0.17-0.22 | 1.10-1.40 | 0.025 | 0.035 | 0.40max | 1.00-1.30 |
| JIS G4105 | SMnC420 | 0.17-0.23 | 1.20-1.50 | 0.030 | 0.030 | 0.15-0.35 | 0.35-0.70 |
5120 STEEL BAR MECHANICAL PROPERTIES
| Steel Grade | Yield strength σs/MPa (>=) | Tensile strength σb/MPa (>=) | Elongation (>=) | Reduction of areaψ/% (>=) | As-Heat-Treated Condition | Impact absorbing energy Aku2/J (>=) | Brinell hardness (HBW) |
| 5120 | 595 | 966 | 43 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 13 | 321 |
PROCESSING
FORGING
This alloy would be forged between 2200 and 1700ºF (1200 and 925ºC.)
HEAT TREATMENT
Annealing: This alloy is seldom annealed. Structures of better machinability are developed by normalizing or by isothermal transformation after forging.
Normalizing: 1650-1700ºF (900-930ºC.)
Carburizing: 1650-1740ºF (900-950ºC) and oil quench.
Hardening: Core: 1560-1620ºF (850-880ºC) and oil quench. Case: 1490-1540ºF (810-840ºC) and oil quench
Tempering: 340-410ºF (170-210ºC.)
Machinability: The alloy is best machined in the normalized condition prior to case hardening.
Weldability: The alloy is easily welded, but should be welded prior to case hardening.
What we can offer?
-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.
-Machining and heat treatment are available.
-Also, we advise you in choosing the right materials.
Shape Available
Our Advantages
OUR MAIN PRODUCTS ARE LISTED AS BELOW
Notes:
Available Size:
-Round: Dia. 4-1600 mm
-Flat: T. 10-120 mm x W. 60-810 mm
-Block: T. 80-1200 mm x W. 100-1600 mm
PAYMENT AND SHIPPING
1. Both T/T and L/C will be acceptable
2. Trade Terms: FOB, CIF, CFR
3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties
4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples
COMPANY INFORMATION
Shanghai Unite Steel Trading Co., Ltd
We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.
What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!
FAQ
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
