Description
EN 10297-1 Gas Cylinder Tube, 34CrMo4 Gas Cylinder Pipe
This standard applies to the manufacture of seamless steel tubes for gas cylinders and accumulator shell. HSH steel mainly supplying 30CrMo4 gas bottle pipe, 34CrMo4, 42CrMo4 seamless steel pipe for high-pressure gas cylinder.
Grade: 30CrMo4, 34CrMo4, 42CrMo4
OD: 60 – 711mm
WT: 3 – 38mm
Length: 4 – 12m
Delivery Condition: Without heat treatment, Quenched + Tempered, Normalized + Temperered
Chemical composition (cast analysis) for tubes made from alloy special steels in % by massa
|
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 |
– |
– |
|
a See also 7.1. b £ 0,25% Cu. |
Mechanical properties for tubes made of steels in accordance with Table 6 in delivery condition +QT
|
Steel grade |
Minimum tensile properties |
||||||||||||||||
|
Steel Name |
Steel Number |
Yield strength (ReH) |
Tensile strength (Rm) |
A % |
|||||||||||||
|
MPa |
MPa |
||||||||||||||||
|
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 |
|
NOTE: l = longitudinal, t = transverse. |
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HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com
,
HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com