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:Welded Pipe/tube,Thick-wall Welded Pipe/tube,Small Diameter Thick-wall Welded Pipe/tube
Torich International Co.,Ltd--The Steel Tube Maker Welded Pipe/tube,Thick-wall Welded Pipe/tube,Small Diameter Thick-wall Welded Pipe/tube
Home > Products > Welded Steel Pipe > GB/T 19793 small diameter Thick-wall welded pipe/tube

GB/T 19793 small diameter Thick-wall welded pipe/tube

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    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Incoterm: FOB,CFR,CIF,FCA,CPT
    Min. Order: 0.5 Ton
    Delivery Time: 35 Days

Basic Info

Model No.: GB/T 19793

Product Name: GB/T 19793 Small Diameter Thick-wall Welded Pipe/tube

Additional Info

Packaging: In bundles In wooden boxes

Productivity: 60000 Tons per Year

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 60000 Tons per Year

Certificate: ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR

HS Code: 7306900090

Port: Ningbo,Shanghai

Product Description

GB/T 19793 small diameter Thick-wall welded pipe/tube



Application:Replace seamless tubes in subsequent cold drawing,Motorcycle Electric Vehicle Shock Absorber

size:length--2~12m WT--2~4.5mm OD--16~50mm

material:Q235 Q195 SPCC SPHC

Production process: ordinary high-frequency welded pipe

Advantages: small diameter and thick wall

Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation

Inspection items:

chemical composition

Tensile test

Ultrasonic examination

Eddy current flaw detection

Bending test

Flattening test

Permissible Tolerance of Outer Diameter and Wall Thickness (mm)


Type of steel Tube Dimension of steel tube Permissible tolerance
Average class High class

Hot-rolled

(extruded and expanded) tube

Outer diameter D All ±1%
(min.+/-0.50)
-
Wall thickness All +15%/-12.5%
(min.+4.5/-4.0)
-
Cold-drawn (cold-rolled) tube Outer diameter D 6~10 ±0.2 ±0.15
>10~30 ±0.40 ±0.20
>30~50 ±0.45 ±0.30
>50 ±1% ±0.8%
Wall thickness <1 ±0.15 ±0.12
>1~3 +15%
-10%
+12.5%
-10%
>3 +12.5%
-10%
±10%
Note: For hot-expanded tubes with outer diameter>35mm,the permissible tolerance of wall thickness is±18%.

Longitudinal Mechanical Properties of Steel Tubes


NO. Steel Grade Tensile Strength(Mpa) Yield point(Mpa)
Elongation after breaking(%)
s<16 s>16
Not less than
1 10 335~475 205 195 24
2 20 410~550 245 235 20
3 Q295 430~610 295 285 22
4 Q345 490~665 325 315 21

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Product Categories : Welded Steel Pipe

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  • GB/T 19793 small diameter Thick-wall welded pipe/tube
  • GB/T 19793 small diameter Thick-wall welded pipe/tube
  • GB/T 19793 small diameter Thick-wall welded pipe/tube
  • GB/T 19793 small diameter Thick-wall welded pipe/tube
  • GB/T 19793 small diameter Thick-wall welded pipe/tube
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