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:Heavy Wall Tube,Heavy Wall Steel Tube,A333/A333M Heavy Wall Steel Tube
Torich International Co.,Ltd--The Steel Tube Maker Heavy Wall Tube,Heavy Wall Steel Tube,A333/A333M Heavy Wall Steel Tube
Home > Products > Seamless Steel Tubes > Seamless Heavy Wall Steel Tube

Seamless Heavy Wall Steel Tube

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    Unit Price: USD 800 / Ton
    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 5 Ton
    Delivery Time: 35 Days

Basic Info

Model No.: A333/A333M

Type: Seamless

Certification: API, GB/T 19001-2008 , ISO 9001:2008 , TS16949 , CCS ,

Application: Structure Pipe, Fluid Pipe, Oil Pipe, Chemical Fertilizer Pipe, For Manufacturing Pipelines, Vessel. Euqipment Pip

Section Shape: Round

Surface Treatment: Black

Usage: Pipeline Transport, Special Purpose, Machinery Industry, Chemical Industry, Construction & Decoration

Technique: Cold Drawn

Material: Carbon Steel, A333/A333M Gr1 , Gr2 , Gr3, Gr4, Gr 5, Gr6

Name: Seamless Heavy Wall Steel Tube

Additional Info

Packaging: Anti-rust protection, in hexagonal bundles with seaworthy packing.

Productivity: 6000MT/Month

Brand: Torich

Transportation: Ocean

Place of Origin: China

Supply Ability: 60000MT/Year

Certificate: GB/T 19001-2008 , ISO 9001:2008 , TS16949 , CCS , DNV , GL , PED

Port: Shanghai

Product Description

A333/A333M Seamless and Welded Steel Pipe for Low-Temperature Service

Product Description

Material:
Carbon and Alloy Steel, ferritic steel
Grade 1A, Grade3, Grade 4, Grade 6A, Grade 7A

Manufacture:
The pipes are made by seamless and welding process with the addition of no filler metal in the welding operation.
Grade 4 is manufactured by seamless process


Heat treatment:
All seamless and welded pipes, other than Grades 8 and 11, are heat treated to control their microstructure in accordance with methods of:

  • Normalizing
  • Quenched and Tempered
  • Double Normalized and Tempeed

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TABLE 1 Chemical Requirements

Element

Composition,%

Grade 1A

Grade 3

Grade 4

Grade 6A

Grade 7A

Carbon, max

0.30

0.19

0.12

0.30

0.19

Manganese

0.40-1.06

0.31-0.64

0.50-1.05

0.29-1.06

0.90max

Phosphorus,max

0.025

0.025

0.025

0.025

0.025

Sulfur,max

0.025

0.025

0.025

0.025

0.025

Silicon

-

0.18-0.37

0.18-0.37

0.10min

0.13-0.32

Nickel

-

3.18-3.82

0.47-0.98

-

2.03-2.57

Chromium

-

-

0.44-1.01

-

-

Copper

-

-

0.40-0.75

-

-

Aluminum

-

-

0.04-0.30

-

-

Vanadium,max

-

-

-

-

-

Columbium,max

-

-

-

-

-

Molybdenum,max

-

-

-

-

-

Cobalt

-

-

-

-

-


A For each reduction of 0.01% carbon below 0.30%, an increase of 0.05% manganese above 1.06% would be pemitted to a maximum of 1.35% manganese.

TABLE 2 Impact Temperature

Grade

Minimum Impact Test Temperature

°F

°C

1

-50

-45

3

-150

-100

4

-150

-100

6

-50

-45

7

-100

-75

8

-320

-195

9

-100

-75

10

-75

-60

11

-320

-195

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Tests and Inspection:
Tensile Requirements
Impact Requirements
Mechanical Teing
- Sampling
- Transverse or Longitudinal Tensile Test and Flattening Test
- Hydrostatic Test
- Impact Test

Reference Documents:

ASTM A370 Test Methods and Definitions for Mechanical Testing of Steel Products

ASTM A999/A 999M Specification for General Requirements for Alloy and Stainless Steel Pipe

ASTM A671 Specification for Electric-Fusion-Welded Steel Pipe for Atmosphere and Low Tempearature

E 23 Test Methods for Notched Bar Impact Testing of Metallic Materials

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

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Product Categories : Seamless Steel Tubes

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