Customization: | Available |
---|---|
Type: | Seamless |
Technique: | Cold Drawn |
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Standard:EN 10216-2
Seamless steel tubes for pressure purposes -Technical delivery conditions
Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-2 13CrMo4-5 Seamless steel tubes for pressure purposes
EN 10216-2 13CrMo4-5 Seamless steel tubes Quick Details
Manufacture:Seamless process
Wall thickness(WT): 2.1mm--30 mm.
Outer diameter (OD): 21 mm--509mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded
Additional Info
Port of Shipment: Tianjin, China
Payment Terms:T / T, LC
Delivery: 35 days after payment
Surface: Tubes will be varnished (Outside only) to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required
The steel name of non-alloy steel grades
(1)The capital letter P for pressure purposes;
(2)The symbols GH for elevated temperature.
MANUFACTURING PROCESS
(1)Steel making process
Steels shall be fully killed.
(2)Tube manufacture and delivery conditions
The tubes shall be manufactured by a seamless process.
The tubes can be either hot or cold finished.
EN 10216-2 13CrMo4-5 Seamless steel tubes shall be supplied in the relevant heat treatment conditions as specified in Table 1.
Steel grade | Heat treatment a |
Austenizing | Tempering | |||
Steel name |
Steel number |
Temperature °C | Cooling Medium |
Temperature °C | Cooling medium |
|
13CrMo4-5 | 1.7335 | +NT b c | 900 to 960 | Air | 680 to 750 | air |
Steel grade | Steel number | C | Si | Mn | P max | Smax |
13CrMo4-5 | 1.7335 | 0,10 to 0,17 | ≤ 0,35 | 0,40 to 0,70 | 0,025 | 0,020 |
Cr | Mo | Ni | Al tot | Cu |
0,70 to 1,15 | 0,40 to 0,60 | ≤ 0,30 | ≤ 0,040 | ≤ 0,30 |
Steel grade | Upper yield strength or proof strength R eH or Rp 0,2 for Wall Thickness Tmin. | Tensile Strength Rm |
Elongation A min. % a |
|||||
Steel name | Steel number |
T ≤ 16 | 16 < T ≤ 40 | 40 < T ≤ 60 | 60 < T ≤ 100 | l | t | |
MPa * | MPa * | MPa * | MPa * | MPa * | ||||
13CrMo4-5 | 1.7335 | 290 | 290 | 280 | - | 440 to 590 | 22 | 20 |
Outside Diameter D mm | Tolerances on D |
Tolerances on T for a T/D ratio | |||
≤ 0,025 | > 0,025 ≤ 0,050 |
> 0,050 ≤ 0,10 |
> 0,10 | ||
D ≤ 219,1 | ± 1% or ± 0.5mm whichever is the greater |
± 12,5% or ± 0.4mm whichever is the greater | |||
D > 219,1 | ± 20% | ± 15% | ± 12,5% | ± 10% a | |
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T |
Tolerances on inside diameter | Tolerances on T for a T/d ratio | |||||
d | d min | ≤ 0,03 | > 0,03 ≤ 0,06 |
> 0,06 ≤ 0,12 |
> 0,12 | |
± 1% or ± 2 mm whichever is the greater | (+ 2% ,0)or (+ 4 mm,0) |
whichever is the greater | ± 20% | ± 15% | ± 12,5% | ± 10% a |
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T |
Outside diameter D mm | Tolerances on D | Tolerances on T min for a T min /D ratio | |||
≤ 0,02 | > 0,02 ≤ 0,04 |
> 0,04 ≤ 0,09 |
> 0,09 | ||
D ≤ 219,1 | ± 1% or ± 0.5mm whichever is the greater |
(+ 28%,0) or (+ 0.8 mm,0) whichever is the greater | |||
D > 219,1 | + 50% 0 |
+ 35% 0 |
+ 28% 0 |
+ 22% a 0 |
|
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T |
Tolerances on inside diameter |
Tolerances on T min for a T min /d ratio |
|||
d | d min | ≤ 0,05 | > 0,05 ≤ 0,1 |
> 0,1 |
± 1% or ± 2 mm whichever is the greater |
(+2%,0) or (+ 4 mm,0) whichever is the greater | + 35% 0 |
+ 28% 0 |
+ 22% a 0 |
a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T |
Length L | Tolerance on exact length |
L ≤ 6000 | +10 0 |
6000 < L ≤ 12 000 | +15 0 |
L > 12 000 | + by agreement 0 |