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GB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service

Product Details:
Place of Origin: Zhejiang,China
Brand Name: TORICH
Certification: ISO 9001 ISO14001 TS16949
Model Number: GB/T 14291
Payment & Shipping Terms:
Minimum Order Quantity: 5 Tons
Price: USD 500-900/Ton
Packaging Details: GB/T 14291 TORICH Welded steel tubes for mine liquid service packing in wooden boxes or hexagonal bundies
Delivery Time: Within 30 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 50000/Year

Detail Information

Material: Q235A Q235B Q345A Q345B Type: Welded ERW
Shape: Round Delivery Time: Within 30 Days
Technique: ERW Length: 4-12m
OD: 4-1200mm WT: 0.3-200mm
Highlight:

welding steel tubing

,

electric resistance welded steel tube

Product Description

               GB/T 14291 TORICH Welded steel tubes for mine liquid service

Seamless Stainless Steel Tubes for Structures

GB/T 14291 TORICH Welded steel tubes for mine liquid service

 

Size Range:

OD:4-1200mm

WT:0.3-200mm

Length: 4000mm-12000mm

 

Characteristic:

Good OD and ID tolerance controlled to Technical Standard

Stable quality

 

TABLE 2 Allowable deviation of outer diameter and wall thickness

Unit: millimeter

Nominal outside diameter D

Allowable deviation of outer diameter

Permissible deviation of wall thickness

D48.3

±0.50

±10%S

48.3D273

±1%D

D>273

±0.75%D

 

TABLE 3 Mechanical Property

Grade

Tensile strengthGB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service 1

N/mGB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service 2

Lower yield strength GB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service 3 /

N/mGB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service 4

Elongation A%

Not less than

D168.3

D168.3

Q235A,Q235B

375

235

15

20

Q295A,Q295B

390

295

13

18

Q345A,Q345B

470

345

13

18

Note : Tensile test arbitration time is based on longitudinal sample.

 

TABLE 4 Inspection items, test methods and sampling number of steel pipes

NO

Inspection project

Sampling method and test method

Sampling quantity

1

chemical composition

GB/T 20066,GB/T 223,GB/T 4336

One each furnace(canister)

2

Tensile test

GB/T 228,GB/T 2975

One each batch

3

Tensile test

GB/T 241

One by one

4

Ultrasonic examination

GB/T18256

One by one

5

Eddy current flaw detection

GB/T 7735

One by one

6

Bending test

GB/T 244

Two per batch

7

Flattening test

GB/T 246

Four each roll

 

GB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service 5GB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service 6GB/T 14291 TORICH Round ERW Welded Steel Tubes For Mine Liquid Service 7production workshop

Seamless Stainless Steel Tubes for StructuresSeamless Stainless Steel Tubes for StructuresSeamless Stainless Steel Tubes for Structures

 

Seamless Stainless Steel Tubes for Structures

Seamless Stainless Steel Tubes for Structures

our certificate

Seamless Stainless Steel Tubes for Structures

Seamless Stainless Steel Tubes for Structures

What is your Guarantee?
1.SO9001:2008 and TS16949 certification, SGS, BV, TUV or other third party inspection is available.
2.High quality with competitive price.
3.Advanced technology, experienced engineer, ISO quality system for quality assurance and traceability.

Do you have agent or distributor in our country?
1.We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.


How is your production capability?
1.2000 tons monthly production capacity, 5000 tons monthly trading capability


 

GB/T 14291 TORICH Welded steel tubes for mine liquid service

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