SAE 4820 Hot Forged +Qt Turning Alloy Steel Bar

• Customization: Available
• After-sales Service: Technical/Sample/Quality
• Type: Alloy Steel Bar
• Model NO.: 4820
• Technique: Forged
• Surface Treatment: Polished
• Alloy: Alloy
• Standard Name: AISI
• Heat Treatment: Quenched Tempered Qt
• Surface: Ground, Turning, Polished
• Form: Hot Forged
• Transport Package: Wooden Case
• Specification: 80-650mm
• Trademark: SHUNFU
• Origin: China

Product Description

Product Description

 

AISI 80-650MM Forged Quenched Polished Alloy Steel Round Bar

We are a manufacturer of alloy steel bars, which include forging, quenching, and polishing processes. Our products are of high quality and durability, suitable for various industrial applications. We have advanced equipment and skilled workers, and we can customize the specifications and grades of the steel bars according to your needs. We are committed to providing you with the best service and competitive prices. If you are interested in our products, please feel free to contact us for more information. We look forward to hearing from you soon.
 

What we can do for you

Form : Hot rolled and hot forged
Heat treatment: annealed, normalized, quenched and tempered
Surface : Ground, turning, polished
 

Advantage

1. We have more than 20 years of experience in the alloy steel industry, and we have established a good reputation among our customers and partners.
2. We have a strong research and development team, which constantly innovates and improves our products and processes, to meet the changing market demands and customer requirements.
3. We have a strict quality control system, which ensures that every steel bar we produce meets the international standards and specifications.
4. We have a large production capacity and a fast delivery time, which can satisfy your urgent and large orders.
5. We have a professional and friendly customer service team, which can provide you.

 

Chemical Composition

 

Grade	Carbon	Manganese	Phosphorus,	Sulfur,	Silicon	Nickel	Chromium	Molybdenum
Designation			max	max
4012	0.09-0.14	0.75-1.00	0.035	0.04	0.15to0.35	...	...	0.15-0.25
4023	0.20-0.25	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.20-0.30
4024	0.20-0.25	0.70-0.90	0.035	0.035-0.050	0.15to0.35	...	...	0.20-0.30
4027	0.25-0.30	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.20-0.30
4028	0.25-0.30	0.70-0.90	0.035	0.035-0.050	0.15to0.35	...	...	0.20-0.30
4032	0.30-0.35	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.20-0.30
4037	0.35-0.40	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.20-0.30
4042	0.40-0.45	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.20-0.30
4047	0.45-0.50	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.20-0.30
4118	0.18-0.23	0.70-0.90	0.035	0.04	0.15to0.35	...	0.40-0.60	0.08-0.15
4120	0.18-0.23	0.90-1.20	0.035	0.04	0.15to0.35	...	0.40-0.60	0.13-0.20
4121	0.18-0.23	0.75-1.00	0.035	0.04	0.15to0.35	...	0.45-0.65	0.20-0.30
4130	0.28-0.33	0.40-0.60	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4135	0.33-0.38	0.70-0.90	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4137	0.35-0.40	0.70-0.90	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4142	0.40-0.45	0.75-1.00	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4145	0.43-0.48	0.75-1.00	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4147	0.45-0.50	0.75-1.00	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4150	0.48-0.53	0.75-1.00	0.035	0.04	0.15to0.35	...	0.80-1.10	0.15-0.25
4161	0.56-0.64	0.75-1.00	0.035	0.04	0.15to0.35	...	0.70-0.90	0.25-0.35
4320	0.17-0.22	0.45-0.65	0.035	0.04	0.15to0.35	1.65-2.00	0.40-0.60	0.20-0.30
4340	0.38-0.43	0.60-0.80	0.035	0.04	0.15to0.35	1.65-2.00	0.70-0.90	0.20-0.30
E4340	0.38-0.43	0.65-0.85	0.025	0.025	0.15to0.35	1.65-2.00	0.70-0.90	0.20-0.30
4419	0.18-0.23	0.45-0.65	0.035	0.04	0.15to0.35	...	...	0.45-0.60
4422	0.20-0.25	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.35-0.45
4427	0.24-0.29	0.70-0.90	0.035	0.04	0.15to0.35	...	...	0.35-0.45
4615	0.13-0.18	0.45-0.65	0.035	0.04	0.15to0.35	1.65-2.00	...	0.20-0.30
4620	0.17-0.22	0.45-0.65	0.035	0.04	0.15to0.35	1.65-2.00	...	0.20-0.30
4621	0.18-0.23	0.70-0.90	0.035	0.04	0.15to0.35	1.65-2.00	...	0.20-0.30
4626	0.24-0.29	0.45-0.65	0.035	0.04	0.15to0.35	0.70-1.00	...	0.15-0.25
4715	0.13-0.18	0.70-0.90	0.035	0.04	0.15to0.35	0.70-1.00	0.45-0.65	0.45-0.60
4718	0.16-0.21	0.70-0.90	0.035	0.04	0.15to0.35	0.90-1.20	0.35-0.55	0.30-0.40
4720	0.17-0.22	0.50-0.70	0.035	0.04	0.15to0.35	0.90-1.20	0.35-0.55	0.15-0.25
4815	0.13-0.18	0.40-0.60	0.035	0.04	0.15to0.35	3.25-3.75	...	0.20-0.30
4817	0.15-0.20	0.40-0.60	0.035	0.04	0.15to0.35	3.25-3.75	...	0.20-0.30
4820	0.18-0.23	0.50-0.70	0.035	0.04	0.15to0.35	3.25-3.75	...	0.20-0.30
5015	0.12-0.17	0.30-0.50	0.035	0.04	0.15to0.35	...	0.30-0.50	...
5046	0.43-0.48	0.75-1.00	0.035	0.04	0.15to0.35	...	0.20-0.35	...
5115	0.13-0.18	0.70-0.90	0.035	0.04	0.15to0.35	...	0.70-0.90	...
5120	0.17-0.22	0.70-0.90	0.035	0.04	0.15to0.35	...	0.70-0.90	...
5130	0.28-0.33	0.70-0.90	0.035	0.04	0.15to0.35	...	0.80-1.10	...
5132	0.30-0.35	0.60-0.80	0.035	0.04	0.15to0.35	...	0.75-1.00	...
5135	0.33-0.38	0.60-0.80	0.035	0.04	0.15to0.35	...	0.80-1.05	...
5140	0.38-0.43	0.70-0.90	0.035	0.04	0.15to0.35	...	0.70-0.90	...
5145	0.43-0.48	0.70-0.90	0.035	0.04	0.15to0.35	...	0.70-0.90	...
5147	0.46-0.51	0.70-0.95	0.035	0.04	0.15to0.35	...	0.85-1.15	...
5150	0.48-0.53	0.70-0.90	0.035	0.04	0.15to0.35	...	0.70-0.90	...
5155	0.51-0.59	0.70-0.90	0.035	0.04	0.15to0.35	...	0.70-0.90	...
5160	0.56-0.61	0.75-1.00	0.035	0.04	0.15to0.35	...	0.70-0.90	...
E50100	0.98-1.10	0.25-0.45	0.025	0.025	0.15to0.35	...	0.40-0.60	...
E51100	0.98-1.10	0.25-0.45	0.025	0.025	0.15to0.35	...	0.90-1.15	...
E52100	0.98-1.10	0.25-0.45	0.025	0.025	0.15to0.35	...	1.30-1.60	...
52100B	0.93-1.05	0.25-0.45	0.025	0.015	0.15to0.35	...	1.35-1.60	...
6118	0.16-0.21	0.50-0.70	0.035	0.04	0.15to0.35	...	0.50-0.70	(0.10-0.15V)
6150	0.48-0.53	0.70-0.90	0.035	0.04	0.15to0.35	...	0.80-1.10	(0.15minV)
8115	0.13-0.18	0.70-0.90	0.035	0.04	0.15to0.35	0.20-0.40	0.30-0.50	0.08-0.15
8615	0.13-0.18	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25

Grade	Carbon	Manganese	Phosphorus,	Sulfur,	Silicon	Nickel	Chromium	Molybdenum
Designation			max	max
8617	0.15-0.20	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8620	0.18-0.23	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8622	0.20-0.25	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8625	0.23-0.28	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8627	0.25-0.30	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8630	0.28-0.33	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8637	0.35-0.40	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8640	0.38-0.43	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8642	0.40-0.45	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8645	0.43-0.48	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8650	0.48-0.53	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8655	0.51-0.59	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8660	0.56-0.64	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.15-0.25
8720	0.18-0.23	0.70-0.90	0.035	0.04	0.15to0.35	0.40-0.7	0.40-0.60	0.20-0.30
8740	0.38-0.43	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.20-0.30
8822	0.20-0.25	0.75-1.00	0.035	0.04	0.15to0.35	0.40-0.70	0.40-0.60	0.30-0.40
9254	0.51-0.59	0.60-0.80	0.035	0.04	1.20-1.60	...	0.60-0.80	...
9255	0.51-0.59	0.70-0.95	0.035	0.04	1.80-2.20	...	...	...
9259	0.56-0.64	0.75-1.00	0.035	0.04	0.70-1.10	...	0.45-0.65	...
9260	0.56-0.64	0.75-1.00	0.035	0.04	1.80-2.20	...	...	...
E9310	0.08-0.13	0.45-0.65	0.025	0.025	0.15to0.30	3.00-3.50	1.00-1.40	0.08-0.15
50B44	0.43-0.48	0.75-1.00	0.035	0.04	0.15-0.35	...	0.20-0.60	...
50B46	0.44-0.49	0.75-1.00	0.035	0.04	0.15-0.35	...	0.20-0.35	...
50B50	0.48-0.53	0.75-1.00	0.035	0.04	0.15-0.35	...	0.40-0.60	...
50B60	0.56-0.64	0.75-1.00	0.035	0.04	0.15-0.35	...	0.40-0.60	...
51B60	0.56-0.64	0.75-1.00	0.035	0.04	0.15-0.35	...	0.70-0.90	...
81B45	0.43-0.48	0.75-1.00	0.035	0.04	0.15-0.35	0.20-0.40	0.35-0.55	0.08-0.15
94B17	0.15-0.20	0.75-1.00	0.035	0.04	0.15-0.35	0.30-0.60	0.30-0.50	0.80-0.15
94B30	0.28-0.33	0.75-1.00	0.035	0.04	0.15-0.35	0.30-0.60	0.30-0.50	0.08-0.15

Detailed Photos