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4150 Alloy Steel Round Bar

4150 Alloy Steel Round Bar
Price: US $ 450/Ton
Trade Terms: FOB,CFR,CIF
Min Order: 25/Ton
Pay Type: L/C,T/T

4150 steel
4150 steel is a low-alloy steel containing chromium and molybdenum as strengthening elector. It's Chemical composition is shown as below form:
 

C

SI

MN

S

P

Cr

Mo

0.48-0.53

0.15 -0.35

0.70-1.00

0.035(max)

0.035(max)

0.80-1.10

0.15-0.25

 1. Advantages:
4150 steel is a versatile alloy steel with good atomspheric corrosion resistantance and reasonable strength. It shows good overal combination of strength, toughness, wear resistance and fatigue strength.   
 2. Application: 4150 steel is used as forgings in the aerospace and oil and gas industries, and has myriad uses in the automotive, agricultual and defense industries. Typical usages are forged gears, shafts and spindles. 
 3. Production Line: Blast Furnace Melton Iron → EAF(EBT/BOV) → LF → VD → Molten Steel → Continuous Casting → Hot Rolling/Forged → Heat Treatment → Further Processing(Peeling/Turning)
 4. Delivery condition and Dimensions:

Hot rolled round bars

16mm to 200mm

Cold drawn bars

6mm to 100mm

Forged bars

200mm to 800mm

 5. Dimension Tolerances:
1): ASTM4150 hot rolled alloy steel round bars tolerance:

DIA 

7-20

20-30

30-50

50-80

80-110

110-150

150-190

190-250

MM

+0.35
-0.35

+0.40
-0.40

+0.50
-0.50

+0.70
-0.70

+1.0
-1.0

+1.3
-1.3

+2.0
-2.0

+2.5
-2.5

2): ASTM4150 cold drawn alloy steel bars size tolerance: H9, h10, h11  
3): ASTM4150alloy steel forged bars tolerance: +/-5mm for black surface and +/-3mm after peeled/rough turned.
 6. Gas Contents:

Oxygen

Nitrogen

Hydrogen

20ppm(max)

90ppm(max)

2ppm(max)

 7. Inclusion Rating:

 

A

B

C

D

 

MAX

MAX

MAX

MAX

Thin

2.0

2.0

2.0

2.0

Thick

1.0

1.0

1.0

1.0

8. Grain Size: 5 to 8
9. Length: The ends will be saw cut. The ends will be free from burrs and slag lumps. Length can be customized according to customers' demands.
10. Straightness: 3mm/m(max) for hot rolled bars and 2mm/m(max) for cold drawn bars
11. Processing:
Surface Treatment: Peeling, Turning, Grinding, Milling, Drilling, Boring
Heat Treatment: Normalizing, Annealing, Quenching+ Tempering
12. Markings: Material, Dimension, Heat No.
13. Quality tests: Spectral Tested, Microstructure Tested, Macrostructure Test,  Hardness Test, Upsetting Test
14. Packing:
1): The goods will be packed by wire rods or iron strips, 2 to 3mt each bundle
2): Tow or three tags will be attached on each bundles with steel grade, specification, heat no. Diameter
3): For further processing products such as cold drawn, peeled or heat treated goods, plastic bags wrapped or pallet loading is available according to customers' demands.
Prod Model: 4150 steel
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Delivery Condition: Hot Rolled, Cold Drawn, Forged
Shapes: Round, Square, Flat, Hexagonal
Surface: Peeled, Turned, Cold Drawn, Polished
Heat Treatment: Annealed, Normlized, Qt
Type: Round
Standard: BS
Technique: Hot Rolled
Special Use: Mold Steel
Application: Die Steel Bar
Steel Grade: 4150 Alloy Steel
Composition: Alloy Steel
Shape: Round
Surface Treatment: Drawn, Peeled, Turned
Qingdao Helio Steel Co., Ltd. Was established in March19, 2012. Our company's business staff members possess professional service capabilities of steel products, with more than a decade of experience on steel production, technology development, product sales and foreign trade. We comply the principle of friendly cooperation and mutual benefit, and persist in developing together with new and old customers.

Our company is located in Qingdao, a coastal city of Shandong Province, which is near Laiwu Steel Group. Only Laiwu City has steel production capacity of 20 million tons each year. Meanwhile, it is also the largest production base of powder metallurgy products in the whole country. Otherwise, there are more than ten well-known steel manufacturers within the province and the surrounding areas, so steel resources here is abundant and we can meet customers' various requirements.

Our company is mainly engaged in steel products for various specifications and materials, such as continuous casting billets, continuous casting tubes, hot-rolled bars, tubes, hot-rolled square steel, flat steel, H section steel, hot-rolled coils, cold-roll large-size panels, forging materials, and forgings.

We also run the import and export of steel products, based on the needs of customers at home and abroad to develop a variety of special steel products and timely delivery. I hope to sincerely cooperate with domestic and foreign customers, providing high-quality and low-priced products and professional services.

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  • Qingdao Helio Steel Co., Ltd.

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