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

  •  [Zhejiang,China]
  • Business Type:Distributor/Wholesaler , Manufacturer , Service , Trade Company
  • Main Mark: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:31% - 40%
  • Certs:GB, ISO9001, ISO14001
  • Description:Carbon Steel Seamless Pipe,Carbon Manganese Seamless Tube,Seamless High Pressure Boiler Pipe
Torich International Co.,Ltd--The Steel Tube Maker Carbon Steel Seamless Pipe,Carbon Manganese Seamless Tube,Seamless High Pressure Boiler Pipe
Home > Products > Seamless Steel Tubes > Seamless Carbon Steel & Carbon Manganese Steel pipe

Seamless Carbon Steel & Carbon Manganese Steel pipe

Share to:  
    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 1000 Kilogram
    Delivery Time: 30 Days

Basic Info

Model No.: GB5312-1999

Standard: GB, GB5312-1999.

Alloy: Non-alloy

Size: 25.4x2.77/19.05x2.11

Material: 320/360/410/460/490

Application: High Pressure Boiler

Produce Method: Hot Rolling/ Cold Drawn

Feature: Seamless Carbon & Carbon Manganese Steel Pipe

Additional Info

Packaging: In bundles with Seaworthy Packing

Productivity: 50000 tons per year

Brand: Torich

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 50000 tons per year

Certificate: ISO9001

Product Description

seamless steel tubes for High Pressure Boilers, produced according to GB5312-1999

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.


This tube is used for ship pressure pipe system, boiler and superheater. The seamless carbon steel and carbon manganese steel tube can be divided into seamless pressure pipe and seamless boiler and superheater pipe, according to the Chinese standard GB5312-1999.

Ship with seamless carbon steel and carbon manganese steel tube, produced according to Chinese Standard GB5312-1999.

GB5312-1999, a standard applies to the production of seamless carbon steel and carbon manganese steel tube used for ship pressure pipe system, boiler and superheater


Feature for seamless carbon steel pipe: Seamless carbon steel and carbon manganese steel pipe used for ship pressure pipe system, boiler and superheater (Seamless high pressure boiler tube)

Application of seamless carbon manganese steel tube: For ship pressure pipe system, boiler and superheater (Seamless high pressure boiler tube)

Produce method for seamless high pressure boiler tube: Hot rolling(extrusion), cold drawn

The seamless carbon steel tubes` material/Steel grade: 320/360/410/460/490 and so on.

Chemical composition of seamless carbon manganese steel pipe:

Steel Grade

Chemical composition

C

Si

Mn

S

P

Cr

Mo

Ni

Cu

Total

320

≤0.16

≤0.35

0.40-0.70

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

≤0.30

≤0.70

360

≤0.17

≤0.35

0.40-0.80

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

≤0.30

≤0.70

410

≤0.21

≤0.35

0.40-1.20

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

≤0.30

≤0.70

460

≤0.22

≤0.35

0.80-1.40

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

≤0.30

≤0.70

490

≤0.23

≤0.35

0.80-1.50

≤0.035

≤0.035

≤0.25

≤0.10

≤0.30

≤0.30

≤0.70

Seamless carbon steel pipes' Mechanical Properties :

Steel Grade

Tensile Strength

MPa

Yield Strength

MPa

Elongation

%

320

320-440

≥195

≥25

360

360-480

≥215

≥24

410

410-530

≥235

≥22

460

460-580

≥265

≥21

490

490-610

≥285

≥21

Tolerance of seamless carbon steel & carbon manganese steel pipe:

1. Tolerance of the OD &WT:

Production Method

Size(mm)

Tolerance

Hot Rolling(Extrusion)

OD

≤159

±1.0%(min.±0.50mm)

159

±1.25%

WT

≤20

+15%(min.+0.45mm)

-10%(min. -0.30mm)

20

±10%

D≥351

±15%

Cold Drawn

OD

≤30

±0.20mm

30~50

±0.30mm

50

±0.8%

WT

1.5~3

+12.5%

-10%

3.0

±10%

2.Bending tolerance for seamless high pressure boiler pipe:

WT≤15 mm, Bending≤1.5mm/m

WT>15~30 mm, Bending≤2.0mm/m

D≥351 mm, Bending≤3.0mm/m


3. End shape of the high presssure boiler tube:

Both ends of the pipe should be cut to a complete end surface perpendicular to the axis, and remove burrs

4.Delevery condition for the seamless carbon manganese tube:

Normalized(NBK) or Normalized and tempered


Looking for ideal Carbon Steel Seamless Pipe Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Carbon Manganese Seamless Tube are quality guaranteed. We are China Origin Factory of Seamless High Pressure Boiler Pipe. If you have any question, please feel free to contact us.

Product Categories : Seamless Steel Tubes

Product Images
  • Seamless Carbon Steel & Carbon Manganese Steel pipe
  • Seamless Carbon Steel & Carbon Manganese Steel pipe
  • Seamless Carbon Steel & Carbon Manganese Steel pipe
  • Seamless Carbon Steel & Carbon Manganese Steel pipe
Email to this supplier
  • *Subject:
  • *Messages:
    Your message must be between 20-8000 characters
Copyright © 2018 Torich International Co.,Ltd--The Steel Tube Maker All rights reserved.
Communicate with Supplier?Supplier
Richard SHEN Mr. Richard SHEN
What can I do for you?