High definition Manufacture Hot Cold Rolled Steel Seamless Machinery Steel Tube Pipe Hollow Bar 1020, 1045, 4140, 4130, 4340, 40cr, 5140, 40mn2, S235, S355 12crmo1V
Short Description:
The extremely rich projects management experiences and one particular to a person support model make the superior importance of small business communication and our easy understanding of your expectations for High definition Manufacture Hot Cold Rolled Steel Seamless Machinery Steel Tube Pipe Hollow Bar 1020, 1045, 4140, 4130, 4340, 40cr, 5140, 40mn2, S235, S355 12crmo1V, We promise to try our best to provide you with high quality and efficient services.
The extremely rich projects management experiences and one particular to a person support model make the superior importance of small business communication and our easy understanding of your expectations for , Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.
|
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 receivedThe extremely rich projects management experiences and one particular to a person support model make the superior importance of small business communication and our easy understanding of your expectations for High definition Manufacture Hot Cold Rolled Steel Seamless Machinery Steel Tube Pipe Hollow Bar 1020, 1045, 4140, 4130, 4340, 40cr, 5140, 40mn2, S235, S355 12crmo1V, We promise to try our best to provide you with high quality and efficient services.
High definition Hollow Bar and Precision Tube, Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.
