Our company not only provides users with advanced technology and high-quality 304 Stainless Steel Seamless Tube per kg, 39nicrmo3 equlvalent, 4J29 nickel alloy round Bar, but also pays attention to and captures the needs of customers wholeheartedly. Our company hopes to go forward hand in hand and corporate to create a splendid future with you! Customers' pleasure is our eternal pursuit! We take 'internationalization of our company' as the direction of expanding the international market, we will lead our company to continuously create new brilliance for our employees. We have won widespread favor, universal praise and unanimous praise in the industry and abroad.
4140: The steel is made of alloy steel, which complies with the standard ASTM A29 / A29M-04
This product has high strength and high hardenability. Good toughness, small deformation during quenching, creep strength and long-term strength at high temperature. Used for forgings requiring higher strength and larger quenched and tempered sections than 35CrMo steel. Such as large gears for locomotive traction, supercharger driving this wheel, rear axle, connecting rods and spring clips under heavy load, can also be used for oil deep well drill pipe joints and fishing tools below 2000m
4140 steel shaft standard
The standard is listed below
USA ASTM4140
JapanSCM440
Germany 42CRMO4 1.7725 steel bar
Machined 4140 steel shaft
Forged steel 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 material can be used to produce shaft and steel roller, cnc machine
®Delivery time 25-35workdays
®belongs to chromoly alloy steel
Stock 4140 steel bar
Why choose us?
Big: Many cases, sufficient experience, teamwork.
Specialized: Focus on the production and sales of "steel", with a finer division of labor.
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Strategy: understand the customer, come up with a strategy, make choices, and decide the way out.
Fast: The market responds quickly and tasks are completed quickly.
Our Service
Our mission is to provide our customers with professional, focused, efficient and perfect quality OEM 4140 Transmission Forging Steel Spur Gear Shaft and hearty service. Corporate culture is the soul of the development of a large business, and it also embodies the level of management of a business. We not only focus on the domestic market, but also fully understand the characteristics of overseas markets and have stabilized the foundation of overseas markets.