DIN 2391 / EN10305-1 Precision Seamless Steel Tube / Pipe for duct connector,St 35, St37, St52, E355
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:
- Product Item No.: 002Precision-Cosco Steel
- 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,
- Standard: DIN2391, EN10305-1, EN10305-4
- Steel grade: St35, St37, St45, St52, E235, E355
- Condition: GBK(+A)NBK(+N), BK(+C), BKS
- Size: OD3-60mm. WT0.5-8mmMax length 12meters.
- All steel tube can test Ultrasonic flaw detector, Eddy current flaw detector, depend on customers requirement
- Usage: Cylinders of machinery, high pressure tubing, automotive etc.
- Characteristic: High cleanness, smooth on the both surface, chemical composition and mechanical properties fully according with standards.
- Surface Finish: Zinc coating, black phosphated, oiled, or bright.
- Marking: Registered logo,Heat Number,Steel Grade,Standard,Size
- Packing: Pipe cap both end,plastic bag in bundle
- 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:
- Bicycle spindle, hub, carriage, handle of children cart
- Automobile oil duct, oil, duct connector, shock absorb-er,sun visor,level joy stick
- Sports equipment,electric roller
- Sewing machine, medical equipment
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Grade and Chemical Composition(%) |
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Grade |
Chemical Composition(%): |
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C max |
Si (max) |
Mn (min) |
P (max) |
S (max) |
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St 35 |
0.17 |
0.35 |
0.40 |
0.025 |
0.025 |
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St 45 |
0.21 |
0.35 |
0.40 |
0.025 |
0.025 |
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St 52 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
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Steel grade |
Chemical Composition(%): |
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Steel name |
Steel number |
C(max) |
Si (max) |
Mn(max) |
P (max) |
S (max) |
Al (min) |
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E215 |
1.0212 |
0.1 |
0.05 |
0.7 |
0.025 |
0.025 |
0.025 |
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E235 |
1.0308 |
0.17 |
0.35 |
1.20 |
0.025 |
0.025 |
- |
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E355 |
1.058 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
- |
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Mechanical Properties(Mpa) |
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Steel grade |
BK |
BKW |
BKS |
GBK |
NBK |
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RmN/mm |
min |
RmN/mm |
min |
N/mm |
ReH |
min |
N/mm |
min |
N/mm |
ReH |
min |
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min |
min |
min |
N/mm |
min |
min |
N/mm |
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min |
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min |
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St35 |
480 |
6 |
420 |
10 |
420 |
315 |
14 |
315 |
25 |
340-470 |
235 |
25 |
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St45 |
580 |
5 |
520 |
8 |
520 |
375 |
12 |
390 |
21 |
440-570 |
235 |
21 |
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St52 |
640 |
4 |
580 |
7 |
580 |
420 |
10 |
490 |
22 |
490-630 |
355 |
22 |
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Steel grade |
Minimum values for the delivery condition |
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Steel name |
Steel number |
+ C |
+ LC |
+ SR |
+ A |
+ N |
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Rm Mpa |
A% |
Rm Mpa |
A% |
Rm Mpa |
ReH Mpa |
A% |
ReH Mpa |
A% |
Rm Mpa |
ReH Mpa |
A% |
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E215 |
1.0212 |
430 |
8 |
380 |
12 |
380 |
280 |
16 |
280 |
30 |
290-430 |
215 |
30 |
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E235 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
350 |
16 |
315 |
25 |
340-480 |
235 |
25 |
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E355 |
1.0580 |
640 |
4 |
580 |
7 |
580 |
450 |
10 |
450 |
22 |
490-630 |
355 |
22 |
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