AISI Standard SAE4130 4140 Alloy Cold Rolling Steel Piping

mechanical property 

  Yantai Xinpeng Steel Pipe Co., Ltd,established in Dec 1992, with registered capital of 5 million Yuan, we have more than 20 years experience in manufacturing and exporting steel pipe.

  Our company mainly produces various specifications of cold finished precision steel pipe, which are widely used in hydraulic Pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery, oil drilling and other field.Our company are equipped with JLB250T hydraulic cold drawn set,LED120 cold rolling set, annealing surface, strong honed machine, polishing machine, lathe, saws CNC skived and roller burnished machine, kinds of testing machine. Strictly comply with ISO9001 System, assure the best quality of the products.

packaging details: steel strips bundle    

                                     black painting   

                                     beveled ends

                                     wooden box    

                                     as clients request

delivery details:   15days after 30% payment in advance

1.portable hardness tester

2.wall thickness gauge

3.ultrasonic flaw detector

4.digital rockwall hardness tester

5.tensile testing machine

6.USA import UT test machine

1.High Efficiency

1).7 Days *24Hours phone and email in service.

2).Your inquiry will be replied in 24 hours

2. High Quality

1). Well-trained and qualified staff to answer all your questions

2). We are Alibaba VIP golden supplier

3.Our Advantage:

1. High quality seamless steel tube with reasonable price. 
2. Wide excellent experiences with after-sale service. 

3. Samples can be provided as your requirements. 
4. Professional packing teams which keep every packing safety. 
5. Every process will be checked by responsible QC which insures every product's quality.
6. Every process can be produced as to our clients' requirements.

7. Any questions can be answered in time after you told us.

8. Quick respond to your inquiry.