| Customization: | Available |
|---|---|
| After-sales Service: | Free |
| Warranty: | Free |
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Discover the unparalleled precision of our EN 10305-1 steel pipes, adhering to the stringent European standard to deliver seamless cold drawn steel pipes. Ideal for precision applications, these pipes are crafted with circular cross-sections to meet your exacting standards and needs.
Our pipes, compliant with this rigorous standard, boast precisely defined dimensional tolerances and an assured maximum surface roughness. They excel in a wide range of applications, from the automotive and furniture industries to diverse general engineering sectors, offering unmatched reliability and precision.
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Chemical composition
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|||||||
|
Steel grade
|
% by mass
|
||||||
|
Steel name
|
Steel
number
|
C
max.
|
Si
max.
|
Mn
max.
|
P
max.
|
S
max.
|
Altotalb
min.
|
|
E215
|
1.0212
|
0,10
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0,05
|
0,70
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0,025
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0,025
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0,025
|
|
E235
|
1.0308
|
0,17
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0,35
|
1,20
|
0,025
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0,025
|
0,015
|
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E355
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1.0580
|
0,22
|
0,55
|
1,60
|
0,025
|
0,025
|
0,020
|
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Chemical composition
|
|||||||||||
|
Steel grade
|
% by mass
|
||||||||||
|
Steel name
|
Steel
number
|
C
|
Si
|
Mn
|
P
max.
|
S
|
Cr
|
Mo | V | Others | Cr+Mo+Ni max |
|
E255
|
1.0408
|
≤0.21
|
≤0.35
|
0.40 to 1.10
|
0.025
|
≤0.025
|
--
|
-- | -- | -- | -- |
|
E410
|
1.0509
|
0.16 to 0.22
|
0.10 to 0.50
|
1.30 to 1.70
|
0.030
|
≤0.035
|
--
|
-- | 0.08 to 0.15 | 0.010 to 0.060Al ≤0.07Nb,≤0.05Ti |
-- |
| 26Mn5 | 1.1161 | 0.20 to 0.30 | ≤0.40 | 1.20 to 1.50 | 0.030 | ≤0.035 | -- | -- | -- | -- | -- |
| C35E | 1.1181 | 0.32 to 0.39 | ≤0.40 | 0.50 to 0.80 | 0.030 | ≤0.035 | ≤0.40 | ≤0.10 | -- | -- | 0.63 |
| C45E | 1.1191 | 0.42 to 0.50 | ≤0.40 | 0.50 to 0.80 | 0.030 | ≤0.035 | ≤0.40 | ≤0.10 | -- | -- | 0.63 |
| 26Mo2 | 1.5417 | 0.22 to 0.29 | ≤0.40 | ≤1.50 | 0.025 | ≤0.035 | 0.90 to 1.20 | 0.15 to 0.30 | -- | ≤0.40Ni | -- |
| 25CrMo4 | 1.7218 | 0.22 to 0.29 | ≤0.40 | 0.60 to 0.90 | 0.025 | ≤0.035 | 0.90 to 1.20 | 0.15 to 0.30 | -- | -- | -- |
|
42CrMo4
|
1.7225
|
0.38 to 0.45
|
≤0.40
|
0.60 to 0.90
|
0.025
|
≤0.035
|
--
|
0.15 to 0.30 | -- | -- | -- |
| 10S10 | 1.0711 | ≤0.12 | 0.10 to 0.35 | 0.75 to 1.10 | 0.030 | 0.08 to 0.13 | -- | -- | -- | -- | -- |
| 15S10 | 1.0710 | 0.12 to 0.18 | 0.10 to 0.35 | 0.70 to 1.10 | 0.030 | 0.07 to 0.13 | -- | -- | -- | -- | -- |
| 18S10 | 1.0712 | 0.14 to 0.20 | 0.10 to 0.35 | 1.30 to 1.60 | 0.030 | 0.08 to 0.13 | -- | -- | -- | -- | -- |
| 37S10 | 1.0713 | 0.32 to 0.39 | 0.10 to 0.35 | 1.35 to 1.65 | 0.030 | 0.07 to 0.13 | -- | -- | -- | -- | -- |
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Mechanical properties at room temperature
|
|||||||||||||
|
Steel grade
|
Minimum values for the delivery condition
|
||||||||||||
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+C(BK)
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+LC(BKW)
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+SR(BKS)
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+A(GBK)
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+N(NBK)
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Steel
name
|
Steel
number
|
Rm Mpa |
A % |
Rm Mpa |
A % |
Rm Mpa |
Reh Mpa |
A % |
Rm Mpa |
A % |
Rm Mpa |
Reh Mpa |
A % |
| E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290 to 430 | 215 | 30 |
| E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340 t0 480 | 235 | 25 |
| E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490 to 630 | 355 | 22 |
|
Mechanical properties at room temperature
|
|||||||||||||
|
Steel grade
|
Minimum values for the delivery condition
|
||||||||||||
|
+C(BK)
|
+LC(BKW)
|
+SR(BKS)
|
+A(GBK)
|
+N(NBK)
|
|||||||||
|
Steel
name
|
Steel
number
|
Rm Mpa |
A % |
Rm Mpa |
A % |
Rm Mpa |
Reh Mpa |
A % |
Rm Mpa |
A % |
Rm Mpa |
Reh Mpa |
A % |
| E255 | 1.0408 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440 to 570 | 255 | 21 |
| E410 | 1.0509 | 750 | 4 | 620 | 8 | 690 | 590 | 12 | 520 | 22 | 550 to 700 | 410 | 22 |
| 26Mn5 | 1.1161 | 700 | 4 | 650 | 7 | -- | -- | -- | -- | -- | -- | -- | -- |
| C35E | 1.1181 | 590 | 5 | 540 | 7 | -- | -- | -- | 440 | 22 | ≥460 | 280 | 21 |
| C45E | 1.1191 | 720 | 4 | 670 | 6 | -- | -- | -- | 510 | 20 | ≥540 | 340 | 18 |
| 26Mo2 | 1.5417 | 720 | 4 | 670 | 6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 25CrMo4 | 1.7218 | 720 | 4 | 670 | 6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 42CrMo4 | 1.7225 | 720 | 4 | 670 | 6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 10S10 | 1.0711 | 510 | 8 | -- | -- | 440 | 370 | 16 | -- | -- | 360 to 500 | 240 | 25 |
| 15S10 | 1.0710 | 550 | 7 | -- | -- | 490 | 415 | 14 | -- | -- | 380 to 540 | 260 | 22 |
| 18S10 | 1.0712 | 650 | 6 | -- | -- | 600 | 520 | 12 | -- | -- | 520 to 650 | 360 | 22 |
| 37S10 | 1.0713 | 720 | 4 | -- | -- | 700 | 630 | 12 | -- | -- | 650 to 720 | 420 | 16 |
| Size tolerance | |||||
| OD | Standard tolerance | Special tolerance | |||
| Outer Diameter | GB/T3639 | DIN2391 | EN10305 | O D | thickness |
| 4mm-20mm | ±0.10 mm | ±0.08 mm | ±0.08 mm | ±0.05mm | ±0.05mm |
| 20mm-30mm | ±0.10 mm | ±0.08 mm | ±0.08 mm | ±0.08 mm | ±0.08 mm |
| 31mm-40mm | ±0.15 mm | ±0.15 mm | ±0.15 mm | ±0.10 mm | ±0.08 mm |
| 41mm-60mm | ±0.20 mm | ±0.20 mm | ±0.20 mm | ±0.15 mm | ±0.15 mm |
| 61mm-80mm | ±0.30 mm | ±0.30 mm | ±0.30 mm | ±0.20 mm | ±0.20 mm |
| 81mm-120mm | ±0.45 mm | ±0.40 mm | ±0.40 mm | ±0.30 mm | ±0.30 mm |
| Equivalent Material referance: | ||||||
| GB | TOCT | ASTM | BS | JIS | NF | DIN |
| 10F | 1010 | 040A10 | XC10 | |||
| 10 | 10 | 1010,1012 | 045M10 | S10C | XC10 | C10,CK10 |
| 20 | 20 | 1020 | 050A20 | S20C | XC18 | C22,CK22 |
| 35 | 35 | 1035 | 060A35 | XC35,C35 | C35,CK35 | |
| 45 | 45 | 1045 | 080M46 | S45C | XC45 | C45,CK45 |
| 30CrMo | 30XM | 4130 | 1717COS110 | SCM420 | 30CD4 | 25CrMo4 |
| 42CrMo | 4140 | 708A42 | 42CD4 | 42CrMo4 | ||
| 35CrMo | 35XM | 4135 | 708A37 | SCM3 | 35CD4 | 34CrMo4 |
| 25Mn | 25T | 1025,1026 | 080A25,080A27 | 26Mn5 | ||
| Material | 10#-45#, 16Mn, A53-A369, Cr-Mo alloy, Q195-Q345, ST35-ST52, 10#, 20#, 45#, 16Mn, A213, A315, 30CrMo, Q195, Q215, Q235, Q345, ST35, St37, St45, St52 |
| Surface | Black/ Bright |
| Standard | DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310, GB/T 13793, GB/T3639 , JIS G3441,EN 10305,ASTM A519 |
| Size | OD 15mm-75mm |
| Thickness 1-12mm | |
| Processing | Cold rolled/ Cold drawn |
| 1. BK (+C) No heat treatment after last cold forming process. | |
| 2. BKW (+LC) After last heat treatment there is a light finishing pass ( cold drawing) | |
| 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. | |
| 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
| 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. | |
| Packing | Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. |
| Delivery time | Normally 25-40 working days |
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