Forged Alloy Steel Round Bar
- HHF
- Henan
- 35-45days
- 200pcs per month
Forged alloy steel round bar is one type of our products. We (HHF) own forging workshop, rough machining workshops, heat treatment workshop amd final machining workshops . And we also have a National Level II lab. Accordingly, the whole progress and quality can be controlled very well.
Our forged alloy steel round bars are made of 4145H, 4140, 4340 etc materials.
Manufacturing time( quick) is also our big advantage for steel round bar.
Our national level II lab controls the quality.
Product Introduction
Forged Alloy Steel Round Bar
Our forged alloy steel round bar are made of 4145H, 4140, 4340 etc materials. Materials can be as per customers' requirements. The diameter we can do is from 100mm-1200mm.
Parameter
chemical composition of 4140:
| C | Si | Mn | P | S | Cr | Ni | Mo | Al | Cu | H2 |
0.38-0.44 | 0.15-0.35 | 0.75-1.00 | <0.020 | <0.030 | 0.80-1.10 | <0.25 | 0.15-0.25 | 0.02-0.05 | <0.25 | <2PPM |
Mechanical properties:
| Tensile strength (MPa) | Yield strength (MPa) | Elongation(%) | rate of reduction in area(%) | Impact energy Akv(J) | hardness |
>=1080(110) | >=930(95) | >=12 | >=45 | >=63 | <=229HB |
The materials can be selected according to customer requirements.
About Us
Henan Zhongyuan Heavy Forging Co., Ltd. (HHF) is a nationally recognized high-tech enterprise that operates through four specialized divisions: forging, heat treatment, petroleum equipment, and mechanical processing. The company maintains a provincial engineering technology research center dedicated to oil drilling tool stabilizers, a physical and chemical laboratory, and a municipal R&D center. Its quality management system is backed by multiple certifications, including the American API Q1 standard, API 7-1 licensing for drill stabilizers and drill collars, CSSC system approval, and international accreditations such as ISO 9001:2008 and ISO/TS 29001.
Forged alloy steel round bars are a key product in HHF's portfolio, designed to meet the high-strength and durability demands of heavy industrial applications. Our production is fully integrated, encompassing dedicated forging, rough machining, heat treatment, and final machining workshops, allowing for seamless process control from raw material to finished product. Complementing this infrastructure, we maintain a National Level II laboratory, which enables rigorous inspection and testing throughout manufacturing, ensuring consistent quality and performance across every production stage.
Our forged alloy steel round bars are primarily manufactured from high-performance materials such as 4145H, 4140, 4340, and other specialized alloy grades, chosen for their excellent mechanical properties, including superior toughness, wear resistance, and hardenability. These materials are ideal for use in demanding environments such as oil and gas, heavy machinery, automotive, and power generation industries.
Our Exhibition
AIMEX - Asia Pacific's International Mining Exhibition
We are proud to have participated in AIMEX, Asia Pacific's premier mining exhibition, in 2019. Our team attended the event in Australia, seizing the valuable opportunity to connect with industry leaders, showcase our heavy forging capabilities, and engage in in-depth discussions with numerous customers and partners.
Event Details:
Show: AIMEX 2019
Date: 2019
Location: Sydney, Australia
Our Participation:
While we did not have a dedicated booth that year, our commercial and technical team was actively on the ground. Our visit focused on strengthening relationships with existing partners, exploring new opportunities, and gaining firsthand insights into the latest trends and demands of the Asia-Pacific mining market. The event served as a critical platform for direct engagement with key industry players.
This experience underlines our commitment to the global mining sector and our proactive approach to understanding and serving our customers' needs in one of the world's most important mining regions.
FAQ
1.Wha's your quote time?
Normally, it is up to 3days. We need to understand your requirements and critical dimensions.
2.How is quality controlled?
A. We have a dedicated QA team. B. We shall do one sample run, then a small batch run before mass order.For a sample order.
3.Can I come and visit you?
Yes, of course. We are pleased to welcome you to visit our company and discuss technical details and requirements with our team.
4.What's the production lead time?
Our pruction progress is from forging, rough machining ,Q+T to final machining.Itis usually 45days.
5.what are your payment terms?
We typically ask for 30% down payments to launch production, 70% balance before delivering goods.
