Shandong Jingcheng Tianyu Steel Pipe Co., Ltd.
Shandong Jingcheng Tianyu Steel Pipe Co., Ltd.
13969539427
13969539427
13969539427@163.com
13969539427@163.com
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Shandong Jingcheng Tianyu Steel Pipe Co., Ltd.
Add:Wangxing Industrial Park, Economic and Technological Development Zone, Liaocheng City, Shandong Province
Tel:13969539427
Phone:13969539427
Email:13969539427@163.com
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45# seamless steel pipe
Number of visits: 130
Unit Price: Face to face
Minimum Ordering:
Total supply:
period for dispatch: Delivery within 3 days from the date of buyer's payment
Valid until: Long-term effectiveness
Last update: 2020-09-02 16:08
Product Details
45# seamless steel pipe
The parts of 45# seamless steel tube after quenching and tempering have good comprehensive mechanical properties and are widely used in various important structural parts, especially those connecting rods, bolts, gears and shafts that work under alternating loads. But the surface hardness is low and it is not wear-resistant. Can be quenched and tempered + surface quenching to improve the surface hardness of parts.
chemical composition:
The carbon (C) content is 0.42~0.50%, the Si content is 0.17~0.37%, the Mn content is 0.50~0.80%, and the Cr content is <=0.25%.
Process:
Tube blank-inspection-peeling-inspection-heating-perforation-pickling-grinding-lubrication and air drying-welding head-cold drawing-solution treatment-pickling-pickling Passivation-inspection-cold rolling-degreasing-cutting-air drying-internal polishing-external polishing-inspection-marking-finished product packaging.
performance:
Tensile strength: not less than 600Mpa
Yield strength: not less than 355Mpa
Elongation: 10%
Shrinkage rate: 40%
Impact power: 39J
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