As soon as the series of Titanium Sputtering Target, 904l Stainless Steel Hollow Bar, Sk5 Spring Steel Strip were launched, they achieved very good results in the market and sales continued to hit new records. We operate steadily and seek sustainable development, and people-oriented, inspiring self-worth are the most important. We have established an efficient after-sales service system, and have achieved standardization and large-scale production, which greatly reduces costs and improves the competitive advantage for the company and customers. We have established a standardized product quality system, we have a reasonable price advantage and a rapid warehousing and logistics response mechanism.
4140 is a steel with a carbon content of only 0.38% and 0.43%. 4140 has good hardening properties. 4140 steel has round bars, square bars, slabs and hollow tubes. You can order products of any size, shape or quantity from numerous suppliers. 4140 steel is widely used in the manufacture of gears, bearings, machine shafts, rollers and bolts
The standard is listed below
USA ASTM4140
JapanSCM440
Germany 42CRMO4 1.7725 Hollow bar
42CrMo steel belongs to ultra high strength steel, with high strength and toughness, hardenability is also good.
Technical parameters
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Specifications |
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Chemical component |
C ：0.38～0.45% Si：0.17～0.37% Mn：0.50～0.80% S ：≤0.035% P ：≤0.035% Cr：0.90～1.20% Ni：≤0.30% Cu：≤0.30% Mo：0.15～0.25%[ |
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Mechanical property |
Tensile strengthσb/MPa)：≥1080 Yield strength(σs/MPa)：≥930 Elongation (δ5/%)：≥12 |
Usage
4140 is widely used in petroleum, chemical, power station, boiler and other industries, used in the production of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders , High-pressure water pipes of hydropower stations, turbine turbines and other equipment and components.
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About us
Our company has become a model for the success of peer companies based on the principles of "integrity, professionalism, pragmatism and efficiency" and the business philosophy of "high quality and low price". The company's customers are involved in various industries and have won their praise and trust, forming long-term cooperative relationships. We sincerely welcome friends from all over the world to visit our company.
Product shipping packaging
① Before leaving the factory: check whether the product meets the specifications and the quantity is correct.
② Packaging method: Large wooden squares are used to fix the product position, and each product is wrapped with foamed paper. Prevent the product from being damaged by collision and unnecessary loss during transportation.
③ Mode of transportation: sea transportation, land transportation, railway transportation
Our Service
As a professional 42CrMo4 SAE4140 AISI 4140 Cold Drawn, Deep Hole Bored, Deep Hole Drilled or Machined Alloy Steel Hollow Bar for Drilling or Exploration manufacturer, we are at a state-of-the-art level in the national industry in terms of technology and quality. Devotion and Steadiness will remain as ever. Welcome your orders.