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DIN 2391 / EN10305-1 Precision Seamless Steel Tube / Pipe for duct connector,St 35, St37, St52, E355
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DIN 2391 / EN10305-1 Precision Seamless Steel Tube / Pipe for duct connector,St 35, St37, St52, E355

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DIN 2391 / EN10305-1 Precision Seamless Steel Tube / Pipe for duct connector

 

 

Quick Detail:

 

1) Standard: DIN2391, EN10305-1, EN10305-4 
2) Steel grade: St35, St37, St45, St52, E235, E355 
3) Condition: GBK(+A)NBK(+N), BK(+C), BKS 
4) Size: OD3-60mm. WT0.5-8mmMax length 12meters. 
5) All steel tube can test Ultrasonic flaw detector, Eddy current flaw detector, depend on customers requirement 
6) Usage: Cylinders of machinery, high pressure tubing, automotive etc. 

 

Description:

 

  1. Product Item No.: 002Precision-Cosco Steel
  2. Product name: eamless Precision Steel Tubes (DIN 2391), seamless steel tube. Precision steel tube, stainless steel tube, seamless pipe, stainless seamless steel pipe, precision seamless tube, small size stainless steel tube. Carbon seamless steel tube, cold drawn seamless steel pipe,
  3. Standard: DIN2391, EN10305-1, EN10305-4
  4. Steel grade: St35, St37, St45, St52, E235, E355
  5. Condition: GBK(+A)NBK(+N), BK(+C), BKS
  6. Size: OD3-60mm. WT0.5-8mmMax length 12meters.
  7. All steel tube can test Ultrasonic flaw detector, Eddy current flaw detector, depend on customers requirement
  8.  Usage: Cylinders of machinery, high pressure tubing, automotive etc.
  9. Characteristic: High cleanness, smooth on the both surface, chemical composition and mechanical properties fully according with standards.
  10. Surface Finish: Zinc coating, black phosphated, oiled, or bright. 
  11. Marking: Registered logo,Heat Number,Steel Grade,Standard,Size
  12. Packing: Pipe cap both end,plastic bag in bundle
  13. H.S Code: 7304.90

          Alloy Steel:

           20Cr / AISI5120/ Scr420/ 20Cr4; 30CrMo/ AISI4130/ SCM430/ 25CrMo4

           40Cr/ AISI5140/ Scr440/ 41Cr

           

 

Standard: 

 

China Standard GB8162-2008, GB3639-2000

American Standard ASTM A106, ASTM A519, ASTM A513,ASTM A179

Germany Standard DIN2391, DIN2445

Japanese Standard JIS G3445 etc

 

 

Applications: 

 

We,this type seamless steel pipe be widely used in kinds of industries:

  1. Bicycle spindle, hub, carriage, handle of children cart
  2. Automobile oil duct, oil, duct connector, shock absorb-er,sun visor,level joy stick
  3. Sports equipment,electric roller
  4. Sewing machine, medical equipment

 

 

Grade and Chemical Composition(%)

Grade

Chemical Composition(%):

C max

Si (max)

Mn (min)

P (max)

S (max)

 

 

 

St 35

0.17

0.35

0.40

0.025

0.025

 

 

 

St 45

0.21

0.35

0.40

0.025

0.025

 

 

 

St 52

0.22

0.55

1.60

0.025

0.025

 

 

 

 

Steel grade

Chemical Composition(%):

Steel name

Steel number

C(max) 

Si (max)

Mn(max)

P (max)

S (max)

Al (min)

 

 

E215

1.0212

0.1

0.05

0.7

0.025

0.025

0.025

 

 

E235

1.0308

0.17

0.35

1.20

0.025

0.025

-

 

 

E355

1.058

0.22

0.55

1.60

0.025

0.025

-

 

 
 

Mechanical Properties(Mpa)

Steel grade 

BK

BKW

BKS

GBK

NBK

R

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Wenzhou Zhongyuan Steel Industrial Co.,Ltd
Room 1003,No.1 Building,Phase III, Wenzhou, Zhejiang, China (Mainland)
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