copper alloy_EN 10297-1 Gas Cylinder Tube

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.

Hot Tags: EN 10297-1 Gas Cylinder Tube, China, manufacturers, suppliers, factory, company, exporter, seller, brands, import, buy, best, high-quality

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

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