DIN 2391 ST35 ST45 ST52 BK BKW BKS GBK NBK Precision Seamless Tube
Product: ST35 BK, ST35 NBK, ST45 seamless tube, ST52 seamless tube
Dimension: OD: 16-245mm, WT1-32mm, Length: 3-6m
Certificate: ISO 9001, IATF 16949
DIN 2391 specifies dimensions and relevant technical conditions for seamless precision steel tubes. The main applications are mechanical and automotive engineering. Dingxin Steel Tube Manufacturing Co., Ltd manufactures cold drawn precision steel tube such as ST35 BK, ST35 NBK, ST45 seamless tube and ST52 seamless tube for around 20 years.
Product Details
|
Product name |
DIN 2391 ST35 ST45 ST52 BK BKW BKS GBK NBK tube for suspension parts |
|
Standard |
DIN 2391 |
|
Material |
ST35 ST45 ST52 |
|
Dimension |
OD: 16-245mm, WT1-32mm, Length: 3-6m |
|
Delivery condition |
BK BKW BKS GBK NBK |
|
Certificate |
ISO 9001, IATF 16949 |
|
Applications |
Automotive industry such as drag link, bushing, tie rod, stabilizer link etc. |
|
Packaging |
Long pipe: hexagonal bundles with steel-hooped. Short cut pipes: wooden box or metal frame |
Chemical Composition
|
Steel Grade |
C |
Si |
Mn |
P |
S |
|
ST35 |
≤0.17 |
≤0.35 |
≥0.40 |
≤0.025 |
≤0.025 |
|
ST45 |
≤0.21 |
≤0.35 |
≥0.40 |
≤0.025 |
≤0.025 |
|
ST52 |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.025 |
≤0.025 |
Mechanical Properties
|
Steel Grade |
BK |
BKW |
BKS |
GBK |
NBK |
|||||||
|
Tensile strength (Mpa) |
Elongation (%) |
Tensile strength |
Elongation |
Tensile strength |
Yield strength (Mpa) |
Elongation |
Tensile strength |
Elongation |
Tensile strength |
Yield strength (Mpa) |
Elongation (%) |
|
|
ST35 |
≥480 |
≥6 |
≥420 |
≥10 |
≥420 |
≥315 |
≥14 |
≥315 |
≥25 |
340-470 |
≥235 |
≥25 |
|
ST45 |
≥580 |
≥5 |
≥520 |
≥8 |
≥520 |
≥375 |
≥12 |
≥390 |
≥21 |
440-570 |
≥255 |
≥21 |
|
ST52 |
≥640 |
≥4 |
≥580 |
≥7 |
≥580 |
≥420 |
≥10 |
≥490 |
≥22 |
490-630 |
≥355 |
≥22 |
Advantages
● Geometrical characteristics within narrow scatter bands, such as small wall thickness differences and high precision diameter
● Optimized mechanical properties
● Good bending and torsional ability
FAQ
1. Q: Is Dingxin a trading company or manufacturer?
A: Dingxin is a profession steel tube manufacturer locating in Jiaxing City, Zhejiang Province. It is established in 2004 with around 20 years experience in manufacturing of cold drawn precision steel tube.
2. Q: How long is your delivery time?
A: As Dingxin produce pipes based on client’s specific needs, it takes 30-40 days to produce the pipes after receiving orders from clients.
3. Q: What is your payment term?
A: 30% deposit, 70% balance against B/L copy. Or LC at sight.
4. Q: What is your MOQ?
A: MOQ is 3 to 5 tons. Normally the client will choose to place an order for one 20GP or 40GP full container to ship the goods.
Why choose us?
- Our experienced professionals are always available to offer expert guidance and support to our clients.
- Our mature production technology, stable product quality and reasonable price are deeply trusted by customers.
- Our products are designed to meet global safety and environmental regulations, ensuring our clients can operate with peace of mind.
- Our company will adjust our product structure so as to improve our overall competitiveness and brand influence.
- Our Automotive Tube products are designed to meet the demanding requirements of the automotive industry and beyond.
- We will transform more scientific research results into industry and accelerate its development to achieve the development goal of industrialization of technology and capitalization of DIN 2391 ST35 ST45 ST52 BK BKW BKS GBK NBK Precision Seamless Tube industry.
- We pride ourselves on our attention to detail and commitment to excellence in all areas of our business.
- We have a down-to-earth, pragmatic and hard-working spirit, showing a good prospect of our company advancing with the times, prospering and flourishing.
- Our team of experts is dedicated to delivering exceptional quality and service to our clients.
- We have a wealth of production and sales experience and research a number of industrial design solutions through the international advanced technology.
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