high quality ST52 CK45 round Steel bar

 

St52 belongs to low-alloy high-strength steel,Corresponding to China what material st52 is equal to Q345B, or 16mn and Q345D,

yield strength(ReH Mpa):≤16mm:≥345;16-40mm:≥335;40-63mm:≥325;63-80mm:≥315;

80-100mm:≥305;100-150mm:≥285;150-200mm:≥275;200-250:≥275;

250-400:≥265.

tensile strength(Rm Mpa):450-630.

elongation:≥21.

impulse test:-20℃:≥34

                                                                              Chemical composition

 YanTai XinPeng Steel Pipe Co.,Ltd located in Yantai, a beautiful coastal city in Jiaodong Peninsula, our company is in the (APEC) Science & Technology Industrial Park, urban area of Yantai, with convenient transportation. Established in December 1992, with registered capital of 5 million yuan .
Our company mainly produces various specifications of cold drawn,rolled precision steel tube,hydraulic cylinder tube and SRB Tube, which are widely used in such industries as hydro-cylinder, automobile, engineering machinery, textile machinery, printing machinery, oil drilling, etc. Our company is also the distributor of several domestic well-known steel tube plants in Shandong, and mainly distributes seamless steel tubes of all kinds of materials.

1, What is your main products?
Our main products cold drawn tube, cold rolled tube, hydraulic cylinder pipe, SRB honed tube 
2, What is the MOQ?
5Ton
3, How about delivery time?
The time of delivery is about 20 days after we received the deposit.
4, What is the shipping port?
We ship the goods via Qingdao and Yantai
5, What is your payment terms?
We accept 30% TT in advance, 70% balance before shipment.
6 Why do you choose us?
Because we have large stocks and long term cooperative factories, we can get the lowest ex-factory prices.
The price is quite reasonable and it is lower than our commercial peers. Also, we can guarantee the qualities of our products.
 7,How is the quatity of your products?
Our products are manufactured strictly according to national and international standard,and we take a test on every pipe before delivered out.If you want to see our quality certifications and kinda of testing report,pls just ask us for it.
8,How about price?
Yes,we are factory and be able to give you lowest price below market one,and we have a policy that "for saving time and absolutely honest business attitude,we quote as lowest as possible for any customer,and discount can be given according to quantity",if you like bargain and factory orice is not low enough as you think,just don't waste your time.
Pls trust the quotation we would give you,it is professional one.