DIN1630 St 37.4 seamless steel pipe mechanical property
DIN1630 St 37.4 seamless steel pipe upper yield stress for a design temperature
Steel grade |
Upper yield stress for a design temperature |
||||||||||||
|
Symbol |
Material number |
50°C |
200°C |
250°C |
300°C |
||||||||
|
and a wall thickness |
|||||||||||||
|
≤16 |
>16 ≤40 |
>40 ≤65 |
≤16 |
>16≤40 |
>40≤65 |
≤16 |
>16 ≤40 |
>40 ≤65 |
≤16 |
≤16 |
>40 ≤65 |
||
|
N/mm2 |
|||||||||||||
|
St 37.4 |
1.0255 |
235 |
225 |
215 |
185 |
175 |
170 |
165 |
155 |
150 |
140 |
135 |
130 |
DIN1630 St 37.4 steel pipe chemical composition
Chemical composition |
||||||||
|
Steel grade |
Type of deoxidation (RR.fully killed) |
Chemical composition, % by mass |
Addition of nitrogen fixing elements (e.g.no less than 0.020% Al total) |
|||||
|
Symbol |
Material number |
C |
Si |
Mn |
P |
S |
||
|
max |
max |
|||||||
|
St 37.4 |
1.0255 |
RR |
0.17 |
0.35 |
>=0.35 |
0.040 |
0.040 |
Yes |
DIN1630 St 37.4 seamless steel pipe mechanical property
Steel grade |
Upper yield stress Reh for wall thickness in mm |
Tensile strength Rm N/mm2 |
Elongation after fracture A5 |
Impact energy ISO V-notch test pieces at+20°C |
|||||
|
Symbol |
Material number |
Up to 16 |
16-40 |
40-65 |
longitudinal |
transverse |
longitudinal |
transverse |
|
|
N/mm2 min |
% min |
/ min |
|||||||
|
St 37.4 |
1.0255 |
235 |
225 |
215 |
350 to 480 |
25 |
23 |
43 |
27 |
DIN1630 St 37.4 seamless steel pipe package
1. Bundle packing.
2. Bevelled end or plain end or warnished as per buyer's requestments.
3. Marking: as per customer's requests.
4. Painting varnish coating on the pipe.
5. Plastic caps at ends.
DIN1630 St 37.4 seamless steel pipe mainly used
1.power transmission machinery
2.shock absorption bush
3.machine bush parts
4.machine and engine pin
5.tunnel and anchor rod
6.rebar and joint
As the professional Chinese DIN1630 St 37.4 seamless steel pipe supplier, we will supply our customers the best quality with the competitive price ,the best service and rapid delivery time. If you purchase the DIN1630 St 37.4 seamless steel pipe, we support you to pay a visit to our company and do inspection. If you have any need, you are welcome to contact me .We are sincerely looking for your cooperation.
