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

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

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Brand Name : TORICH

Model Number : GB/T 14291

Certification : ISO 9001 ISO14001 TS16949

Place of Origin : Zhejiang,China

MOQ : 5 Tons

Price : USD 500-900/Ton

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 50000/Year

Delivery Time : Within 30 days

Packaging Details : GB/T 14291 TORICH Welded steel tubes for mine liquid service packing in wooden boxes or hexagonal bundies

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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