DIN2391 ST45 ST52 BK BKS Pre Honed Tube

DIN 2391 a European standard that specifies dimensions and relevant technical conditions for seamless precision steel tubes. The main applications are mechanical and automotive engineering. DIN 2391 ST52 is a kind of low alloy steel, it is widely used for hydraulic cylinder tube because it has excellent weldability and cost-effective. Dingxin Steel Tube is a leading manufacturer of DIN 2391 ST52 steel tube in China. Clients can order specified tubes in different sizes based on their requirements.

 

Product name	DIN2391 ST45 ST52 BK BKS pre honed tube
Standard	DIN 2391
Material	ST45 ST52
Dimension	ID 16-220mm, WT2-32mm, Length: less than 12m
Delivery condition	Cold, Stress relieved
Certificate	ISO 9001, IATF 16949
Applications	Hydraulic cylinder for construction machinery, aerial working platform, material handling machinery, agriculture machinery and hydraulic jack
Packaging	Long pipe: hexagonal bundles with steel-hooped.

 

Steel Grade	C	Si	Mn	P	S
ST45	≤0.21	≤0.35	≥0.4	≤0.025	≤0.025
ST52	≤0.22	≤0.55	≤1.6	≤0.025	≤0.025

 

Delivery condition	Cold Finished (Hard) BK		Cold Finished and Stress Relieved (BKS)
Material	Tensile Strength (Mpa)	Elongation (%)	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)	Impact Value (-20℃) J
ST45	≥580	≥8	≥580	≥480	≥15
ST52	≥680	≥8	≥650	≥580	≥15	≥27

 

● Use raw material from leading mills

● No defects on internal surface

● High concentricity and small wall thickness tolerance

● High straightness

 

 

1. Q: Are you a trading company or manufacturer?

      A: Dingxin is a profession steel tube manufacturer locating in Jiaxing City, Zhejiang Province.

 

2. Q: How long is your delivery time?

      A: Generally it takes 30-40 days to manufacture the pipes after we received the customized requirement from our clients.

 

3. Q: What is your terms of payment

      A: LC at sight or 30% advance payment, 70% balance against B/L copy.

 

4. Q: What is your MOQ?

      A: It depends on sizes and steel grade. Normally, our MOQ is 5 tons per single size.

 

 

Why choose us?

• Our pre-honed tubes are designed to maximize efficiency and productivity.
• We have a perfect service guarantee system, covering customers' pre-product development, usage guidance and follow-up service tracking.
• We specialize in high-quality pre-honed tube products and professional services.
• Our goal is to offer our customers the best service relying on science and technology, developing and producing more high-quality DIN2391 ST45 ST52 BK BKS Pre Honed Tube.
• We understand the importance of timely delivery and always strive to deliver our products on time.
• We always adhere to the training concept of seeking truth from facts and applying what we have learned, and strive to cultivate an excellent team of technical and management talents.
• We use the latest technology to ensure our products are of the highest quality.
• Our factory has strong technical force and excellent product quality.
• We are always available to answer any questions our customers may have.
• Our company is a manufacturer with independent R&D capability of DIN2391 ST45 ST52 BK BKS Pre Honed Tube, and also one of the manufacturers and import and export agents engaged in this industry earlier. Over the years, we have developed into a comprehensive enterprise integrating consultation, design, research and development, production, sales, and service.

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