Chinese Professional ASTM/GB/DIN/GOST/JIS/ISO SAE J524 J525 J526 J356 Cold Drawn Rolled Seamless Steel Pipe Square Tube
Short Description:
Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Chinese Professional ASTM/GB/DIN/GOST/JIS/ISO SAE J524 J525 J526 J356 Cold Drawn Rolled Seamless Steel Pipe Square Tube, We sincerely welcome domestic and international retailers who calls, letters inquiring, or to vegetation to barter, we’ll offer you you good quality merchandise along with the most enthusiastic services,We glance ahead towards your go to plus your cooperation.
Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Mechanical Tubing and Seamless Tubing, We welcome you to visit our company and factory. It is also convenient to visit our website. Our sales team will offer you you the best service. If you need to have more information, be sure to feel free to contact us by E-mail or telephone. We’ve been sincerely hope to establish a good long-term business relationship with you through this opportunity, based on equal, mutual benefit from now till the future.
|
Grade |
C(％) |
Si(％) |
Mn(％) |
Cr(％) |
Ti(%) |
|
20CrMnTi |
0.17-0.23 |
0.17-0.37 |
0.80-1.10 |
1.00-1.30 |
0.04-0.10 |
|
Grade |
Rp0.2 (MPa) |
Rm (MPa) |
Impact |
Elongation |
A Z (%) |
Delivery |
Hardness HB |
|
|
|
|
KV (J) |
A (%) |
|
|
|
|
20CrMnTi |
318 (≥) |
967 (≥) |
11 |
34 |
41 |
Solution & Aging, Ann, Ausaging, Q+T |
332 |
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 received
Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Chinese Professional ASTM/GB/DIN/GOST/JIS/ISO SAE J524 J525 J526 J356 Cold Drawn Rolled Seamless Steel Pipe Square Tube, We sincerely welcome domestic and international retailers who calls, letters inquiring, or to vegetation to barter, we’ll offer you you good quality merchandise along with the most enthusiastic services,We glance ahead towards your go to plus your cooperation.
Chinese Professional Mechanical Tubing and Seamless Tubing, We welcome you to visit our company and factory. It is also convenient to visit our website. Our sales team will offer you you the best service. If you need to have more information, be sure to feel free to contact us by E-mail or telephone. We’ve been sincerely hope to establish a good long-term business relationship with you through this opportunity, based on equal, mutual benefit from now till the future.
