EN 10297-1 Seamless circular steel pipes for mechanical and general engineering purposes
Chromium-molybdenum steel 42CrMo4 steel pipe is suitable for oxygen cylinders and bottles, with excellent corrosion resistance, high wear resistance and good strength properties.
42CrMo seamless steel pipe is used for oxygen bottles or tanks and bearing holding parts. It is also used in vehicles, shipbuilding, mechanical engineering (e.g. crankshafts, pinions, balance shafts). The steel exhibits high resistance to static and dynamic loads. Minimum working temperature -20℃.
Chemical composition
|
Steel grade |
C |
Si |
Mn |
P |
S |
Cr | Mo | Ni | ||||||
|
Steel name |
Steel number |
min. |
max. |
max. |
min. |
max. |
max. |
max. |
min. |
max. |
min. |
max. |
min. |
max. |
|
30CrMo4 |
1.7216 |
0,27 |
0,34 |
0,35 |
0,35 |
0,60 |
0,035 |
0,035 |
0,80 |
1,15 |
0,15 |
0,30 |
- |
- |
|
34CrMo4 |
1.7220 |
0,30 |
0,37 |
0,40 |
0,60 |
0,90 |
0,035 |
0,035 |
0,90 |
1,20 |
0,15 |
0,30 |
- |
- |
|
42CrMo4 |
1.7225 |
0,38 |
0,45 |
0,40 |
0,60 |
0,90 |
0,035 |
0,035 |
0,90 |
1,20 |
0,15 |
0,30 |
- |
- |
Mechanical properties of steel pipes
|
Steel grade |
Minimum tensile properties | ||||||||||||||||
|
Steel Name |
Steel Number |
Yield strength (ReH)MPa |
Tensile strength (Rm)MPa | A % | |||||||||||||
|
For T in mm |
For T in mm | For T in mm | |||||||||||||||
| ≤8 | >8 | >20 | >50 | ≤8 | >8 |
>20 |
>50 |
≤ 8 |
>8 | >20 | >50 | ||||||
|
≤20 |
≤50 |
≤80 |
≤20 |
≤50 |
≤80 |
≤20 | ≤50 | ≤80 | |||||||||
|
l |
t |
l |
t |
l |
t |
l | t | ||||||||||
|
30CrMo4 |
1.7216 |
750 |
630 |
520 |
480 |
950 |
850 |
750 |
700 |
12 |
10 |
13 |
11 |
14 |
12 |
15 |
13 |
|
34CrMo4 |
1.722 |
800 |
650 |
550 |
500 |
1000 |
900 |
800 |
750 |
11 |
9 |
12 |
10 |
14 |
12 |
15 |
13 |
|
42CrMo4 |
1.7225 |
900 |
750 |
650 |
550 |
1100 |
1000 |
900 |
800 |
10 |
8 |
11 |
9 |
12 |
10 |
13 |
11 |
High pressure cylinder pipe
Grade: 30CrMo4, 34CrMo4, 42CrMo4
OD: 60 - 711mm
WT: 3 - 38mm
Length: 4 - 12m
Delivery Condition: Without heat treatment, Quenched + Tempered, Normalized + Tempered
GNEE Additional value-added services
UT(Ultrasonic examination)
AR(As Hot Rolled only)
TMCP (Thermal Mechanical Control Processing)
N(Normalized)
Gnee product certificate
Gnee Company Team
Gnee Group participated in the NECC exhibition
Gnee Customer visit
Gnee Factory environment
Gnee Packaging and shipping
FAQ
1.Q.How do we trust your company?
A. We specialist in steel business for many years, authenticated by SGS,welcome to visit our factory.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
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