AISI 5140 40Cr Precision Steel Pipe Tube.Precision seamless pipe is a kind of high-precision Steel Pipe material treated by cold drawing or hot rolling. Because the inner and outer walls of the precision steel pipe have no oxide layer, withstand high pressure without leakage, high precision, high finish, no deformation after cold bending, no expansion. Therefore, it is mainly used to produce pneumatic or hydraulic components, such as air cylinders or oil cylinders, which can be seamless pipes or welded pipes. The chemical composition of Precision Steel Pipes includes carbon C, silicon Si, manganese Mn , sulfur S, phosphorus P, chromium Cr, compared with solid steel such as round steel, Seamless Steel Pipe is lighter in weight when the bending and torsional strength is the same. It is an economical section steel and is widely used in the manufacture of structural parts and machinery. Components.
While inheriting the advantages of Seamless Steel Pipes, precision steel pipes also have some of their own characteristics. Precision manufacturing of ring parts can improve the utilization rate of materials, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jack sets, etc., which have been widely used in precision steel pipe manufacturing. The promotion and application of precision seamless pipes is of great significance to save steel, improve processing efficiency, reduce processing procedures or equipment investment, save costs and processing hours, improve production and material utilization, and at the same time help improve product quality and reduce costs. It is of great significance to improve economic efficiency. Generally, industries with high precision requirements use precision seamless pipes, and most of those without precision requirements use seamless pipes. After all, the price of precision seamless pipes of the same specification is higher than that of seamless pipes.
Can be divided into precision seamless steel pipe, precision hydraulic seamless steel pipe, cold-drawn precision seamless steel pipe, cold-rolled precision seamless steel pipe, high-precision seamless steel pipe, precision bright seamless steel pipe.
Product Name | AISI 5140 40Cr Precision Steel Pipe |
Standard | AISI 5140 |
Material | GB:40Cr AISI/ASTM:5140 JIS:SCr440 DIN:1.7035 41Cr4 ISO:41Cr4 |
Technology | Hot Rolled ,Cold Rolled,Cold Drawn,Hot Expended |
Tolerance | Control with in the standard, OD:+/-1%, WT:+/-5% |
Chemical Composition | C:0.37-0.44% Si:0.17-0.37% Mn:0.5-0.8% P:≤0.035% S:≤0.035% Cr:0.08-1.1% Ni:≤0.3% |
Mechanical Property | Yield Strength (MPa)≥:785 Tensile Strength (MPa):≥980 Elongation %≥:9 |
Application | Widely used in automobiles, motorcycles, gas springs, hydraulic machinery, construction machinery and refrigeration industry |
Payment Terms | 1.FOB 30%T/T,70% Before shipment 2.CIF 30% Pre-payment , Balance must be paid before shipment 3.Irrevocable 100% L/C at sight |
Third Party Inspection | SGS ,BV, MTC |
Advantages | 1.Short delivery time 2.Quality assurance 3.Competitive price, 4.Free Sample |
Delivery Time | Within 25 days after receipt of advance payment |
1. The main production process of hot-rolled seamless steel pipe (main inspection process):
Tube blank preparation and inspection→tube blank heating→piercing→tube rolling→steel reheating→fixed (reduced) diameter→heat treatment △→finished tube straightening→finishing→inspection (non-destructive, physical and chemical, Taiwan inspection)→warehousing
2. The main production process of cold-rolled (drawn) seamless steel pipes:
Billet preparation→pickling lubrication→cold rolling (drawing)→heat treatment→straightening→finishing→inspection
Our products aye widely used in water engineering,petrochemical industry,chemical industry,electric power industry,agricultural irrigation,urban construction.
Used for liquid conveying:water supply and drainage.For gas transport:gas,steam,liquefier petroleum gas.
For structural use:as pile pipe,as a bridge;Pipes for wharves,roads and building structures.
Q: Are you a manufacturer?
A: Yes , we are a seamless steel pipe manufacturer, We have own factory, which is located in Shandong,China. We have a leading power in producing and exporting hot rolled seamless steel pipe,cold rolled seamless steel pipe,cold drawn seamless steel pipe and Alloy Seamless Steel Pipe etc. We promise that we are what you are looking for.
Q:Can we visit your factory ?
A:Warmly welcome once we have your schedule we will pick you up .
Q: Do you have quality control?
A: Yes, we can accept BV, SGS third inspection .
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-35 days if the goods are not in stock, it is according to quantity.
Q:How can we get the offer?
A:Please offer the specification of the product,such as material,size,shape,etc.So we can give the best offer.
Q:Can we get the some samples?Any charges?
A:Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.
Q: How do you make our business long-term and good relationship ?
A: 1.We keep good quality and competitive price to ensure our customers' benefit.
2.We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.