DIN2391 ST37 Properties carbon seamless steel pipe and tube

German Standard:
| Product Name |
Executive Standard |
Specificaiton Range (mm) |
Steel Grade |
||||||
|
Cold drawn seamless precision tube |
DIN2391 | Φ3~80 x 0.5~8 |
ST35,ST37.4,ST44, ST45,ST52 |
||||||
Tolerance Table of Steel Tube:
|
NAME |
Scope (mm) |
DIN series(mm) |
|
Out Diameter |
3-30 |
±0.08 |
|
31-40 |
±0.15 |
|
|
41-50 |
±0.20 |
|
|
51-60 |
±0.25 |
|
|
Wall Thickness |
0.5-8 |
±10% |
Mechanical Property:
|
Standard |
Steel Grade |
Mechanical Performance |
||||
|
GBK(+A) |
NBK(+N) |
|||||
|
Tensile Strength (Rm mpa) |
Elongation rate (A5 %) |
Tensile Strength (Rm mpa) |
Yield Strength (Reh mpa) |
Elongation rate (A5 %) |
||
|
DIN 2391 |
St35 |
≥315 |
≥25 |
346-478 |
≥235 |
≥25 |
|
St37 |
≥315 |
≥25 |
346-478 |
≥235 |
≥25 |
|
|
St37.4 |
≥315 |
≥25 |
346-478 |
≥235 |
≥25 |
|
|
St45 |
≥390 |
≥21 |
440-570 |
≥255 |
≥21 |
|
|
St44 |
≥390 |
≥21 |
440-570 |
≥255 |
≥21 |
|
|
St52 |
≥490 |
≥22 |
490-630 |
≥355 |
≥22 |
|
Other Specification:
|
End Shape |
Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per custom er's requirements |
|||||||||
|
Surface Treatment |
Oiled, Galvanized, Phosphate etc |
|||||||||
|
Technique |
Cold drawn |
|||||||||
|
Application |
1. Automotive and mechanical |
|||||||||
|
2. Petroleum cracking |
||||||||||
|
3. High Pressure Boiler Pipe |
||||||||||
|
4. Low and middle pressure fluid transportation pipeline |
||||||||||
|
5. Chemical fertilizer equipment |
||||||||||
|
6. Heat exchanger |
||||||||||
|
Delivery Conditions |
1. BK (+C) |
No heat treatment after last cold forming process. |
||||||||
|
2. BKW (+LC) |
After last heat treatment there is a light finishing pass (cold drawing) |
|||||||||
|
3. BKS (+SR) |
After the final cold forming process the tubes are stress relieve annealed. |
|||||||||
|
4. GBK (+A) |
After the final cold forming process the tubes are annealed in a controlled atmosphere. |
|||||||||
|
5. NBK (+N) |
After the final cold forming process the tubes are annealed above the upper transformation poi nt in a controlled atmosphere. |
|||||||||
|
Package |
1. Bundle Packing. |
|||||||||
|
2. Plain end or vanished as per customer's request. |
||||||||||
|
3. Wrapped in waterproof paper. |
||||||||||
|
4. Sackcloth with several steel strips. |
||||||||||
|
5. Pack in heavy tri-wall boxes. |
||||||||||





| 1 |
<span data-mce-style="background: #ffffff; color: #0000ff; font-size:10.5px;" style="background: #ffffff; color: #0000ff; font-size:10.5px" |
Personne à contacter : zoe qian, 0086 0519 83856060
Bonne affaire : acheter au vendeur
Nous vous invitons à lire nos conditions générales d'utilisations. Vous pouvez aussi vous rendre sur nos FAQ et consulter notre page d'informations sur les risques liés à la contrefaçon.
|
Cette page concerne les importateurs et exportateurs de DIN2391 ST37 Properties carbon seamless steel pipe and tube Rechercher dans la catégorie : Matières premières Rechercher dans la catégorie : steel, din2391, seamless, carbon, st37, pipe, properties |
Tuesday 15 September 2026
A little over a month ago the new Raspberry Pi 4 was introduced, the fourth iteration of the popular development plate. Today, ending August, we bring you a very special review, where we will try to analyze and break down the main uses that we can give to the Pi. The strong point of the Pi is...
- 10001 - New York
- 076279832
Thursday 12 October 2023
ZHANG XIAOQUAN juicers take health and safety as the theme and pay attention to the customer's comfortable and healthy life. When ZHANG XIAOQUAN juicers are working, the sound is extremely low, will not disturb your sleep, and after you wake up can drink a cup of delicious juice....
Zhang xiaoquan Inc.
- 311400 - Hangzhou
- +15 2 21 95 51 68
Tuesday 15 September 2026
Tabletop Semi-Auto Capping Machine CT-100 It is ideal for low volume applications. Very easy to use, only place the cap on the bottle and slide the bottle to the positioning rest. FEATURES: - Heavy duty aluminum and stainless steel stand with vibration absorbing rubber feet -...
Autopack Co.,Ltd
- autopacker
- 33454 - Taoyuan City
- +88 6 33 68 98 06
Paiement sécurisé






