Factory For Carbon Steel API X52/Stkm11/1020/1040/4140/4130/E355/45c/St52/20cr/40cr/20crmo/16mn Metal Material Precision Seamless Steel Tube Steel Pipe
Short Description:
40Cr steel Pipe is a kind of Chinese GB standard alloy steel for engineering and machinery purpose, and one of the most widely used steel grades.
After quenching and tempering treatment, 40Cr steel pipe has good comprehensive mechanical properties, low temperature impact toughness, low notch sensitivity, good hardenability, and high fatigue strength in cold oil. When water cooling, the complicated shape of the parts is prone to cracks, the cold bending plasticity is medium, and the cutting workability after normalizing is good, but the weldability is poor, should be preheated before welding, and is generally used in the state of quenching and tempering.
High-quality comes 1st; support is foremost; business is cooperation” is our small business philosophy which is regularly observed and pursued by our organization for Factory For Carbon Steel API X52/Stkm11/1020/1040/4140/4130/E355/45c/St52/20cr/40cr/20crmo/16mn Metal Material Precision Seamless Steel Tube Steel Pipe, We’re glad that we have been steadily increasing with the lively and long-term aid of our satisfied buyers!
High-quality comes 1st; support is foremost; business is cooperation” is our small business philosophy which is regularly observed and pursued by our organization for China Seamless Steel Pipe and Customized Steel Tube, Our company always committed to meet your quality demand, price points and sales target. Warmly welcome you open the boundaries of communication. It is our great pleasure to service you if you need a trusted supplier and value information.
|
Grade |
C |
Si |
Mn |
Cr |
Mo |
Ni |
|
40Cr |
0.37-0.44 |
0.17-0.37 |
0.40-0.70 |
0.70-1.00 |
/ |
/ |
|
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
|
40Cr |
900 min |
660 min |
12 |
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects
Hot Rolled, Annealed, Normalized, Quenched and Tempered
Packaging
1. Bundle packing
2. Beveled end or plain end or varnished as per buyer’s required
3. Marking: as per customer’s requests
4. Painting varnish coating on the pipe
5. Plastic caps at ends
Delivery time
With 15-30 days after full payment receivedHigh-quality comes 1st; support is foremost; business is cooperation” is our small business philosophy which is regularly observed and pursued by our organization for Factory For Carbon Steel API X52/Stkm11/1020/1040/4140/4130/E355/45c/St52/20cr/40cr/20crmo/16mn Metal Material Precision Seamless Steel Tube Steel Pipe, We’re glad that we have been steadily increasing with the lively and long-term aid of our satisfied buyers!
Factory For China Seamless Steel Pipe and Customized Steel Tube, Our company always committed to meet your quality demand, price points and sales target. Warmly welcome you open the boundaries of communication. It is our great pleasure to service you if you need a trusted supplier and value information.
