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  • Torich International Co.,Ltd--The Steel Tube Maker

  •  [Zhejiang,China]
  • Деловой Тип :Дистрибьютор / Оптовый Торговец , производитель , обслуживание , Торговая компания
  • Main Mark: Африка , Северные и Южная Америка , Азия , карибский , Восточная Европа , Европа , средний Восток , Северная Европа , Океания , Другие рынки , Западная Европа , Мировой
  • Экспортер:31% - 40%
  • Certs:GB, ISO9001, ISO14001
  • Описание:Seamless Heat Exchanger Tube,JIS3461 Seamless Steel Tube,JIS3461 Seamless Boiler Pipe
Torich International Co.,Ltd--The Steel Tube Maker Seamless Heat Exchanger Tube,JIS3461 Seamless Steel Tube,JIS3461 Seamless Boiler Pipe
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Группа Продуктов
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Seamless Tube for boiler and heat exchangers

Поделиться с:  
    Вид оплаты: L/C,T/T,D/P
    Incoterm: FOB,CIF
    Количество минимального заказа: 1000 Kilogram
    Срок поставки: 30 дней

Базовая информация

Модель: JIS3461 STB340

материал: Труба из нержавеющей стали

стандарт: ASTM, JIS

Диаметр: 529mm

Морфология: жидкость

Форма поперечного сечения: Круглый

Тип соединения: бесшовный

Тип: Натуральный газ

Standard: JIS G 3461

STEEL GRADE: STB 340, STB 410, STB 510

Application: For Boiler And Heat Exchangers​

Test: Tensile Test, Flattening Test, Hydraulic Test

Additional Info

Подробности Упаковки: In bundles with Seaworthy Packing

производительность: 15000tons per year

марка: Torich

транспорт: Ocean,Land,Air

Место происхождения: China

Способность поставки: 15000tons per year

Сертификаты : ISO9001

Описание продукта

Seamless Tube for boiler and heat exchangers

JIS3461 STB340 Seamless Precision Steel Tube

We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.

Seamless Carbon Steel tubes for boiler and heat exchangers, made according to the Japanese National Standard JIS G3461.

JIS G3461 is a standard applicable for Seamless Carbon Steel pipes which is used for boiler and heat exchangers.

Steel grade of JIS3461 Seamless Boiler Pipe: STB 340, STB 410, STB 510

Applicationof JIS3461 Seamless Boiler Pipe: For boiler and heat exchangers

Chemical composition for JIS3461 Seamless Steel Tube:

Steel Grade

Chemical composition %

C max

Si max

Mn

P max

S max

STB 340

0.18

0.35

0.30-0.60

0.035

0.035

STB 410

0.32

0.35

0.30-0.80

0.035

0.035

STB 510

0.25

0.35

1.00-1.50

0.035

0.035

Mechanical properties of Seamless Heat Exchanger Tube:

Steel Grade

Mechanical properties

Tensile strength min MPa

Yield strength min MPa

Elongation  min %

OD10mm

10mm≤OD20mm

OD≥20mm

STB 340

340

175

27

30

35

STB 410

410

255

17

20

25

STB 510

510

295

17

20

25

Heat treatment for JIS3461 Seamless Boiler Pipe:

1. STB 340:


  • Hot finished seamless steel tube: As manufactured. However, as required, low temperature annealing or normalizing may be performed.
  • Cold finished seamless steel tube: Low temperature annealing, normalizing or full annealing.
  • As welded electric resistance welded steel tube: Normalizing.
  • Hot finished electric resistance welded steel tube: As manufactured. However, as required, low temperature annealing or normalizing may be performed.
  • Cold finished electric resistance welded steel tube: Normalizing.


2. STB 410:


  • Hot finished seamless steel tube: As manufactured. However, as required, low temperature annealing or normalizing may be performed.
  • Cold finished seamless steel tube: Low temperature annealing, normalizing or full annealing.
  • As welded electric resistance welded steel tube: Normalizing.
  • Hot finished electric resistance welded steel tube: Low temperature annealing.
  • Cold finished electric resistance welded steel tube: Normalizing.


3. STB 510:

Normalizing.

The cold finished electric resistance welded steel tube which has been normalized prior to cold finishing may be finished by low temperature annealing or full annealing.

Appearance for JIS3461 Seamless Steel Tube:

a) The tube shall be practically straight and its both ends shall be at right angles to its axis.

b) The inside and outside surfaces of the tube shall be well-finished and free from defects detrimental to use. In the case of electric resistance welded tube the swelling of inside surface of the welded shall be 0.25 mm or less.

In addition, the purchaser may designate the inside swelling as 0.15 mm or less for the tubes 50.8 mm or under in outside diameter and at the same time 3.5 mm or under in wall thickness.

c) Although when the surface dressing is performed, it may be performed by a grinder or machining, etc., the wall thickness of the product after dressing shall be within the tolerances on wall thickness.

d) The dressed area shall smoothly remain along the shape of the tube.

Tests of Seamless Heat Exchanger Tube:


  • Chemical analysis
  • Tensile test
  • Flattening test
  • Flaring test
  • Reverse flattening test
  • Hydraulic test or non-destructive examination


Production Picture:

Seamless Steel Tubes,Seamless Carbon Steel Tube,Oil Cylinder Steel Tube,Precision Seamless Steel Tube,Hydraulic Cylinder Steel Tube Seamless Steel Tubes,Seamless Carbon Steel Tube,Oil Cylinder Steel Tube,Precision Seamless Steel Tube,Hydraulic Cylinder Steel Tube

Группа Продуктов : Бесшовные Стальные Трубы

изображение Продукта
  • Seamless Tube  for boiler and heat exchangers
  • Seamless Tube  for boiler and heat exchangers
  • Seamless Tube  for boiler and heat exchangers
  • Seamless Tube  for boiler and heat exchangers
  • Seamless Tube  for boiler and heat exchangers
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