Product Description
Cylinder Tube/Gas Cylinder Tube/Seamless High Pressure Cylinder
Grade:34CrMo4,35CrMo,37Mn,30CrMo,CK45
Standard: DIN/ASTM/EN
Produce type: Cold drawing or hot hollow.
|
C
|
Si
|
Mn
|
P
|
S
|
P+S
|
Cr
|
Mo
|
Ni
|
Cu
|
|
0.3-0.4
|
0.15-0.35
|
0.5-0.8
|
≤0.02
|
≤0.01
|
≤0.025
|
0.9-1.2
|
0.15-0.25
|
≤0.4
|
--
|
Tolerance :
OD tolerance: ±0.5 %
WT tolerance: +15/-0 %
Roundness: ±1 %
Straightness: 2 mm/m Max
Tensile properties:
Tensile Strength: ≥890 Mpa
Yield Strength: ≥755 Mpa
Elongation: ≥14%
Impact strength: ≥60 J
Marking: material grade, specification
Length:to order.
Conservation: anti rust oiled surface,caps in end.
Weld Ability: good weld ability according to the common welding system.
Package:steel strip bundle, packed in bundle or wooden box.
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