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ERW STEEL PIPES

ERW CARBON STEEL PIPES - Electric Resistance Welded Pipe

ERW Pipe stands for Electric Resistance Welded Pipe, featuring cost efficiency and a closer tolerance of wall thickness when compared with seamless steel pipe. It is widely used in fencing, скеле, engineering, и т.н.. To ensure high precisions and quality of ERW Pipe, our SMC uses of high qualified materials, and have rigid quality control.

употреба: Used for low pressure liquid delivery, such as water, Газ, и масло.

Specifications of ERW Pipe(Electric Resistance Welded Pipe):
1. Outside Diameter: Ф219-Φ660mm
2. Дебелина на стената: 6-22мм
3. Дължина: 3-12m
4. Марка стомана: Q345B, API X42 - X80, L245, L555,J55, От 80
5. Стандарт: SY/T5037-2000, GB/T9711.1-97, API SPEC 5L
6. Тест: hydro testing, ultrasonic detection, ultrasonic testing for pipe end,
visual and dimension inspection, weighing and measuring, и т.н..
7. Packaging:Standard export seaworthy packing (or according to your request)

Процес:
ERW (Електрическо Съпротивление Сварило)
ВЧП (Висока Честота На Индукция)
НЕЛ(ELECTRIC FUSION WELDED TUBE)
HFW(High-Frequency Welding)

Feature of ERW Pipe (Electric Resistance Welded Pipe);
1) Economy Benefit: ERW steel pipe is less expensive than seamless steel pipe.|
2) High Precision: ERW steel pipe has a closer tolerance of wall thickness whencompared with seamless steel pipe.

РАЗМЕР:

OD/mm WT/mm
1.8 2.1 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 9 9.5 10 11 12
21.3
26.7
33.4
42.3
48.3
60.3
73
88.9
101.6
114.3
121
127
133
139.7
152
159
168.3
177.8
193.7
219.1
244.5
273
323.9
355.6
406.4
457.2
508
559
610
660

Химичен анализ (%):

Тип на тръбата клас Клас C Si Милиона P S V NB TI
Макс Макс Макс Макс Макс Макс Макс Макс
Готви PLS1 L245 B 0.26 - 1.2 - 0.03 0.03 - -
L290 X42 0.26 - 1.3 - 0.03 0.03 - -
L320 X46 0.26 - 1.4 - 0.03 0.03 - -
L360 X52 0.26 - 1.4 - 0.03 0.03 - -
L390 X56 0.26 - 1.4 - 0.03 0.03 - -
L415 X60 0.26 - 1.4 - 0.03 0.03 - -
L450 X65 0.26 - 1.45 - 0.03 0.03 - -
L485 X70 0.26 - 1.65 - 0.03 0.03 - -
PLS2  L245M BM 0.22 0.45 1.2 0.025 0.015 0.05 0.05 0.04
L290M X42M 0.22 0.45 1.3 0.025 0.015 0.05 0.05 0.04
L320M X46M 0.22 0.45 1.3 0.025 0.015 0.05 0.05 0.04
L360M X52M 0.22 0.45 1.4 0.025 0.015 - - -
L390M X56M 0.22 0.45 1.4 0.025 0.015 - - -
L415M X60M 0.12 0.45 1.6 0.025 0.015 - - -
L450M X65M 0.12 0.45 1.6 0.025 0.015 - - -
L485M X70M 0.12 0.45 1.7 0.025 0.015 - - -
L555M X80M 0.12 0.45 1.85 0.025 0.015 - - -

Mechanical Properities:

Стандарт клас Клас Yield strength not
less than (MPa)
Опън
Сила (MPa)
Удължение(%) Y.S/T.S
API 5L
ISO 3183
PLS1 L245B мин 245 415 Б -
L290X42 мин 290 415 Б -
L320X46 мин 320 435 Б -
L360X52 мин 360 460 Б -
L390X56 мин 390 490 Б -
L415X60 мин 415 520 Б -
L450X60 мин 450 535 Б -
L485X70 мин 485 570 Б -
PLS2 L245N BN мин 245 415 Б -
L245M BM Макс 450 760 Б 0.93
L290NX42N мин 290 415 Б -
L290MX42M Макс 495 760 Б 0.93
L320NX46N мин 320 435 Б -
L320MX46M Макс 525 760 Б 0.93
L360NX52N мин 360 460 Б -
L360MX52M Макс 530 760 Б 0.93
L390NX56N мин 390 490 Б -
L390MX56M Макс 545 760 Б 0.93
L415NX60N мин 415 520 Б -
L415MX60M Макс 565 760 Б 0.93
L450MX65M мин 450 535 Б -
Макс 600 760 Б 0.93
L485MX70M мин 485 570 Б -
Макс 635 760 Б 0.93
L555MX80M мин 555 625 Б -
Макс 705 825 Б 0.93

Издръжливост:

Стандарт Клас Transverse minimum
impact of Pipe body
Transverse minimum
impact of weld (Дж)
 (Дж)
D≤508 508мм 762мм 914мм 1219мм 1422мм 1422мм
API SPEC 5L ≤L415×60 27(20) 27(20) 40(30) 40(30) 40(30) 27(20) 40(30)
>L415×60 27(20) 27(20) 40(30) 40(30) 54(40) 27(20) 40(30)
≤L450×65
>L450×65 27(20) 27(20) 40(30) 40(30) 54(40) 27(20) 40(30)
≤L485×70
>L485×70 40(30) 40(30) 40(30) 40(30) 54(40) 27(20) 40(30)
≤L555×80

Забележка:(1)The values in the table be suitable for the full size standard sample.
(2) The values inside bracket is the minimum single value, outside bracket is
the average value.
(3) Температура на теста : 0° C.
Available Dimension Range:Φ21.3~660*1~20mm

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