Torich International Limited
| Packaging Details | IN BUNDLES |
| Delivery Time | 30-60DAYS |
| Payment Terms | T/T L/C |
| Supply Ability | 50000 TONS PER YEAR |
| Note | The tubes shall be cold finished before heat treatment |
| Heat treatment | Normalized quenched tempered |
| Place of Origin | China |
| Brand Name | Torich |
| Certification | IS09001 ISO14001 TS16949,DNV |
| Model Number | EN10216-3 |
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Product Specification
| Packaging Details | IN BUNDLES | Delivery Time | 30-60DAYS |
| Payment Terms | T/T L/C | Supply Ability | 50000 TONS PER YEAR |
| Note | The tubes shall be cold finished before heat treatment | Heat treatment | Normalized quenched tempered |
| Place of Origin | China | Brand Name | Torich |
| Certification | IS09001 ISO14001 TS16949,DNV | Model Number | EN10216-3 |
EN10216-3 Seamless Steel Tube For Pressure Purposes Technical Delivery Conditions
Steels are fully killed made to fine grain.
The tubes are manufactured by a seamless process
Option 1: The tubes shall be cold finished before heat treatment
Forming operation and delivery condition
| Forming operation | Heat treatent condition | Symbol for delivery condition |
| Hot finished | Normalised | +N |
| Hot finished | Quenched and tempered | +QT |
| Hot finished + cold finished | Normalised | +N |
| Hot finished + cold finished | Quenched and tempered | +QT |
Chemical composition
| Steel GradeSteel Grade | C | Si | Mn | P | S | Cr | Mo | Ni | Al | Cu | N | Nb | Ti | V | Nb+Ti+V | |
| Steel Name | Steel Number | max | max | max | max | max | max | max | min | max | max | max | max | max | max | |
| P275NL1 | 1.0488 | 0.16 | 0.40 | 0.50-1.50 | 0.025 | 0.020 | 0.30 | 0.08 | 0.50 | 0.020 | 0.30 | 0.020 | 0.05 | 0.040 | 0.05 | 0.05 |
| P275NL2 | 1.1104 | 0.20 | 0.40 | 0.50-1.50 | 0.025 | 0.015 | 0.30 | 0.08 | 0.50 | 0.020 | 0.30 | 0.020 | 0.05 | 0.040 | 0.05 | 0.05 |
| P355N P355NH | 1.0562 1.0565 | 0.18 | 0.50 | 0.90-1.70 | 0.025 | 0.020 | 0.30 | 0.08 | 0.50 | 0.020 | 0.30 | 0.020 | 0.05 | 0.040 | 0.10 | 0.12 |
| P355NL1 P355NL2 | 1.1106 1.0566 | 0.20 | 0.50 | 0.90-1.70 | 0.025 | 0.015 | 0.30 | 0.08 | 0.50 | 0.020 | 0.30 | 0.020 | 0.05 | 0.040 | 0.10 | 0.12 |
| P460N P460NH P460NL1 | 1.8905 1.8935 1.8915 | 0.20 | 0.60 | 1.00-1.70 | 0.025 | 0.020 | 0.30 | 0.10 | 0.80 | 0.020 | 0.70 | 0.020 | 0.05 | 0.040 | 0.20 | 0.22 |
| P460NL2 | 1.8918 | 0.20 | 0.60 | 1.00-1.70 | 0.025 | 0.015 | 0.30 | 0.10 | 0.80 | 0.020 | 0.70 | 0.020 | 0.05 | 0.040 | 0.20 | 0.22 |
| P620Q P620QH | 1.8876 1.8877 | 0.20 | 0.60 | 1.00-1.70 | 0.025 | 0.020 | 0.30 | 0.10 | 0.80 | 0.020 | 0.30 | 0.020 | 0.05 | 0.040 | 0.20 | 0.22 |
| P620QL | 1.8890 | 0.20 | 0.80 | 1.00-1.70 | 0.025 | 0.015 | 0.30 | 0.10 | 0.80 | 0.020 | 0.30 | 0.020 | 0.05 | 0.040 | 0.20 | 0.22 |
| P690Q P690QH P690QL1 | 1.8879 1.8880 1.8881 | 0.20 | 0.80 | 1.20-1.70 | 0.025 | 0.015 | 0.30 | 0.70 | 2.50 | 0.020 | 0.30 | 0.020 | 0.05 | 0.040 | 0.12 | - |
| P690QL2 | 1.8888 | 0.20 | 0.80 | 1.20-1.70 | 0.020 | 0.010 | 1.50 | 0.70 | 2.50 | 0.020 | 0.30 | 0.015 | 0.06 | 0.05 | 0.12 | - |
Mechanical Properties at room temperature:
| Steel Grade | Heat Treat -ment Cond -ition | Upper yield strength or proof strength Reh or Rp0.2 min for wall thickness T in mm Mpa | Tensile Strength Rm for wall thickness T in mm | Elongation A min | |||||||||||
| ≤12 | ＞12 to≤20 | ＞20 to≤40 | ＞40 to≤50 | ＞50 to≤65 | ＞65 to≤80 | ＞80 to≤100 | ≤20 | ＞20 to≤40 | ＞40 to≤65 | ＞65 to≤100 | l | t | |||
| Steel Name | Steel Number | +N | |||||||||||||
| P275NL1 P275NL2 | 1.0488 1.1104 | +N | 275 | 265 | 255 | 245 | 235 | 390-530 | 390-510 | 360-480 | 24 | 22 | |||
| P355N P355NH | 1.0562 1.0565 | +N | 355 | 345 | 335 | 325 | 315 | 305 | 490-650 | 490-630 | 450-590 | 22 | 20 | ||
| P355NL1 P355NL2 | 1.0566 1.1106 | +N | 355 | 345 | 335 | 325 | 315 | 305 | 490-650 | 490-630 | 450-590 | 22 | 20 | ||
| P460N P460NH P460NL1 P460NL2 | 1.8905 1.8935 1.8915 1.8918 | +N | 360 | 350 | 440 | 425 | 410 | 400 | 390 | 560-730 | 490-690 | 19 | 17 | ||
| P620Q P620QH P620QL | 1.8876 1.8877 | +QT | 620 | 580 | 540 | - | - | 740-930 | 690-860 | 630-800 | - | 16 | 14 | ||
| P690Q P690QH P690QL1 | 1.8879 1.8880 1.8881 | +QT | 690 | 650 | 615 | 540 | 500 | 770-960 | 720-900 | 670-850 | 620-800 | 16 | 14 | ||
| P690QL2 | 1.8888 | +QT | 690 | 690 | 650 | 580 | 540 | 770-960 | 700-880 | 680-860 | 16 | 14 | |||
Tolerances on OD an WT:
| Outside diameter D mm
| Toleances 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% | |
Number of tubes per test unit
| Outside diameter D(mm) | Maximum number of tubes per test unit |
| D≤114.3 | 200 |
| 114.3＜D≤323.9 | 100 |
| D＞323.9 | 50 |
Tolerances on exact lengths
| Length L | Tolerance on exact length |
| 2000＜L≤6000 | ﹢10 0 |
| 6000＜L≤12000 | ﹢15 0 |
| L＞12000 | ﹢by agreement 0 |
Normative References:
EN10002-1, Metallic materials-Tensile testing- Part 1: Method of test(at ambient temperature).
EN10002-5, Metallic materials-Tensile testing- Part 5: Method of testing(at elevated temperature).
EN10020, Definitions and classification of grades of steel.
EN10021, General technical delivery requirements for steel and iron products.
EN10045-1, Metallic materials-Charpy impact test-Part 1: Test method
EN10052, Vocabulary of heat treatment terms for ferrous products.
EN 10204, Metallic products - Types of inspection documents
EN10027-1, Designation systms for steels - Part 1: Steel names, principlle symbols.
EN10027-2, Designation systems for steels - Part 2: Numerical systems.
EN10220, Seamless and Welded steel tubes - Dimension and masses per unit length
EN10233, Metallic materials - Tubes - Flattening test
EN10234, Metallic materials - Tubes - Drift expanding test
EN10236, Metallic materials - Tubes - Ring expanding test.
EN10237, Metallic materials - Tubes - Ring tesnsile test
EN10246-1, Non-Destructive Testing of steel tubes Part 1: Automatic electromagnetic testing of
seamless and welded (except submerged arc welded) ferromagnetic steel tubes for
verification of hydraulic leaktightness
EN10246-5, Non-Destructive Testing of steel tubes - Part 5: Automatic full peripheral magnetic
transducer /flux leakage testing of seamless and welded( except submerged arc-welded)
ferromagnetic steel tubes for the detection of longitudinal imperfections.
EN10246-6, Non-Destructive Tesing of steel tubes - Part 6: Automatic full periheral ultrasonic tesing
of seamless steel tubes for the detectin of transverse imperfections
EN10246-7, Non-Destructive Tesing of steel tubes - Part 7: Automatic full periheral ultrasonic tesing
of seamless steel tubes for the detectin of longitudinal imperfections
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Site Member
Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO... Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO...
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