AISI 8640 Forged +Qt 15meters Borehole Alloy Steel Hollow Bar

• Customization: Available
• After-sales Service: Technical/Sample/Quality
• Type: Alloy Steel Bar
• Model NO.: 8640
• 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

 

Forged +QT 15Meters BoreHole Alloy Steel Hollow Bar

We are a manufacturer of hollow bars, specializing in forging, heat treatment, tempering, precision grinding, boring, and various other processes. Our company is renowned for delivering consistently high-quality products, and we take pride in our track record of supplying to numerous leading petroleum companies. Feel free to reach out to us for inquiries; we welcome your requests for quotations.
 

What we can do for you

Form : hot forged
Heat treatment: annealed, normalized, quenched and tempered
Surface : Ground, turning, polished
Hollow: 15 meters borehole machine
 

Advantage

1. Precision Boring Expertise:
2. Customized Solutions:
3. Quality Control:
4. Swift Turnaround:
5. Proven Track Record:
6. Competitive Pricing:
7. Collaborative Approach:
 

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