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DIN 2391 En10305 E355 Cold Formed Pressed Steel Tube Precision Finishing


DIN 2391 En10305 E355 Cold Formed Pressed Steel Tube Precision Finishing

Brand Name : UST

Model Number : OD: 10-150mm; WT: 2-25mm

Certification : ISO 9001

Place of Origin : China

MOQ : MOQ: 2-3 ton

Price : USD 700- 2000/ton

Supply Ability : 3000 ton/month

Delivery Time : Within 15-35 days

Packaging Details : Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.

Application : Machinery

Process : Cold rolled

Quality Standard : DIN 2391, EN10305

Surface : Bright, Smooth

Delivery Condition : BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)

Product name : Alloy steel tube E355

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En10305 Seamless Cold Rolled Steel Tube for Automotive Parts E355

Precision Finishing Steel Seamless Pipe


MaterialSteel GradeSt35
Material TypeAvailable in cold rolled and hot rolled
Chemical Composition(%)C: 0.22 max; Si: 0.55 max; Mn: 1.60 max; P: 0.025 max; S: 0.025 max.
Diameter of Stainless PipeW.T2mm-25mm
Length3m-12m, or customer required
Relate steel gradeSt52, E355, S355JR, 1020, 1045, 1026, 4130, 4140, 8620, 34CrMo4, SAE52100...
ApplicationMachine structure, agriculture equipment, water and gas pipes etc.
PackingStandard export packing
Delivery Time

1.5-35 days after receving the deposit of T/T

Trade TermsFOB, CFR, CIF etc.
Payment Terms

1.30%T/T in advance, the balance against the B/L copy

2.30%T/T in advance, the balance against the L/C at sight

Loading PortShanghai port

Dimension Tolerance

I.D tolerance (mm)O.D tolerance (mm)I.D Roughness (µm)Straightness (mm/meter)

Delivery Conditions

+C (BK) Hard. No final treatment after final cold rolling.
+LC (BKW) Soft. Final heat treatment is followed by a suitable drawing pass (limited reduction of area).
+SR (BKS) Stress Relieved. After final cold rolling, the tubes are stress relieved in a controlled atmosphere.
+A (GBK) Annealed. After final cold rolling, the tubes are annealed in a controlled atmosphere.
+N (NBK) Normalized. After final cold rolling, the tubes are normalized in a controlled atmosphere.

Our Services

Third Party inspection acceptable. such as SGS, BV etc.

Supplying financial support with usance L/C 180 days after B/L date.

What we can offer?

-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.

-Machining and heat treatment are available.

-Also, we advise you in choosing the right materials.

Quality Assurance

Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET


In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request

Payment & Delivery

1. Both T/T and L/C will be acceptable

2. Trade Terms: FOB, CIF, CFR

3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples

Company Information

Shanghai Unite Steel Trading Co., Ltd

We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.

What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!


Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.

Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.

Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.

Q: What is the payment term?
A: T/T or L/C.

Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.

Product Tags:

E355 cold pressed steel tube


EN 10305 cold formed steel tube


DIN 2391 cold formed steel tube

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