Our service attitude of 'customer benefit first' is that, we can think from the perspective of customers in every production and research and activities, and provide customers with D2 Mould Steel Bar, 41Cr4 Alloy Steel Plate, Titanium Bike Frame that are more in line with customer interests from a professional perspective. We have won the trust and support of new and old customers through providing high quality and high performance products to our customers with high standard technology and considerate service. The continuous improvement of the company's performance, the improvement of employee's treatment and the guarantee of welfare, all these are due to the high-quality employees. With the development of information technology and economic globalization, we should take market demand as the guide, increase technological innovation, implement brand strategy and take honesty as the foundation. We guarantee that our company will try our best to reduce customer purchase cost, shorten the period of purchase, stable merchandise quality, increase customers' satisfaction and achieve win-win situation.
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.
Reality: Simplify the complexity, explain the profound things in a simple way, and solve the problem.
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
Based on our many years of experience, not only learning the advanced level of the industry, but also through our own repeated experiments to compare and improve, we promise that our Precision Machined 4140 42CrMo4 Steel Hot Forged Shaft has the most reliable and stable performance. Our company will, as always, abide by the service tenet of 'Do my best and serve customers wholeheartedly', so that customers can enjoy more and better products of the company. We welcome buyers, business enterprise associations and good friends from all sections in the planet to get hold of us and request cooperation for mutual gains.