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  • 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:Steel Tubes,Welded Steel Tubes,Precision Single Welded Steel Tubes
Torich International Co.,Ltd--The Steel Tube Maker Steel Tubes,Welded Steel Tubes,Precision Single Welded Steel Tubes
Home > Products > Welded Steel Pipe > TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes

TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes

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    Incoterm: FOB,CFR,CIF,FCA,CPT
    Min. Order: 5 Ton
    Delivery Time: 45 Days

Basic Info

Model No.: TORICH GB/T 24187

Type: Welded

Certification: API, CE, BSI, UL

Application: Fluid Pipe, Structure Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Pipeline Transport, Machinery Industry, Thermal Equipment, Construction & Decoration

Technique: Cold Drawn

Material: Stainless Steel, Carbon Steel, C Si Mn P S

Length: Max 12000mm

OD: 3.18-18mm

WT: 0.3-1.3mm

Product Name: TORICH GB/T 24187 Cold-Drawn Precision S

Additional Info

Packaging: Anti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box

Productivity: 40000 ton per year

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: Zhejiang,China

Supply Ability: 50000 ton per year

Certificate: ISO 9001:2008 ISO 14001:2008 TS 16949

HS Code: 7304191000

Port: Shanghai,Ningbo,Foshan

Product Description

TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes

Spec:
Material:C Si Mn P S
Size Range:OD:3.18-18mm
WT:0.3-1.3mm
General Length:1.5-4m
Tolerance:
According to the following tables or customers` request.


Table 1 Outer diameter, wall thickness and theoretical weight

OD/mm WT/mm
0.30 0.40 0.50 0.60 0.65 0.70 0.80 0.90 1.00 1.30
theoretical weight /(kg/m)
3.18 0.0213 0.0274 0.0330






4.00 0.0274 0.0355 0.0432 0.0503





4.76 0.0330 0.0430 0.0525 0.0616 0.0659 0.0701



5.00 0.0348 0.0454 0.0555 0.0651 0.0697 0.0742



6.00 0.0422 0.0552 0.0678 0.0799 0.0858 0.0915 0.1026 0.1132 0.1233
6.35 0.0448 0.0587 0.0721 0.0851 0.0914 0.0975 0.1095 0.1210 0.1319
7.94 0.0565 0.0744 0.0917 0.1086 0.1169 0.1250 0.1409 0.1563 0.1712 0.2129
8.00 0.0570 0.0750 0.0925 0.1095 0.1178 0.1260 0.1421 0.1576 0.1726 0.2148
9.53 0.0683 0.0901 0.1113 0.1321 0.1423 0.1524 0.1722 0.1915 0.2104 0.2639
10.00 0.0718 0.0947 0.1171 0.1391 0.1499 0.1605 0.1815 0.2020 0.2220 0.2789
12.00 0.0866 0.1144 0.1418 0.1687 0.1819 0.1951 0.2210 0.2464 0.2713 0.3430
12.70 0.0917 0.1213 0.1504 0.1790 0.1932 0.2072 0.2348 0.2619 0.2885 0.3655
14.00 0.1014 0.1342 0.1665 0.1983 0.2140 0.2296 0.2604 0.2908 0.3206 0.4072
15.88 0.1153 0.1527 0.1896 0.2261 0.2441 0.2621 0.2975 0.3325 0.3670 0.4674
16.00 0.1162 0.1539 0.1911 0.2279 0.2461 0.2641 0.3000 0.3352 0.3699 0.4713
18.00 0.1310 0.1736 0.2158 0.2575 0.2781 0.2987 0.3393 0.3795 0.4192 0.5354
Theoretical weight of no additional coating, density of steel is 7.85 kg/




Table2 Allowable deviation of outer diameter of steel pipe


Outer diameter Common precision High precision
<4.76 ±0.08 ±0.05
4.76-8.00 ±0.12 ±0.07
>8.00-12.00 ±0.16 ±0.10
>12.00 ±0.20 ±0.12



Table 3 Permissible deviation of steel tube wall thickness


Wall thickness Permissible deviation
<0.70 ±0.05
≥0.70 ±0.07



Table 4 Allowable deviation of specified length of steel pipe


Length Allowable deviation
≤2000

+4

0

>2000-5000

+7

0

>5000-8000

+10

0


TABLE 5 Chemical Composition Of Steel Strip (Mass Fraction)%

Category C Si Mn P S
Cold rolled low carbon steel strip ≤0.08 ≤0.03 ≤0.30 ≤0.030 ≤0.030
Cold rolled ultra low carbon steel strip ≤0.008 ≤0.03 ≤0.25 ≤0.020 ≤0.030




TABLE 6 Mechanical Properties Of Cold Rolled Low Carbon Steel Strip

Thickness

/mm

Tensile Strength

Yield Strength

Elongation

A/%

0.25~<0.35 ≥270
≥32
0.35~<0.50 ≥34
≥0.50 ≥36

a Replace with when the yield phenomenon is not obvious.

b Sample type of sample number D14 in GB/T 228-2002.




TABLE 7 Mechanical Properties Of Cold Rolled Ultra-low Carbon Steel Strip

Thickness

/mm

Tensile Strength

Yield Strength

Elongation

A/%

≤0.50 ≥280 130~250 ≥38
>0.50 ≥40

a Replace with when the yield phenomenon is not obvious.

b Sample type of sample number P14 in GB/T 228-2002.




TABLE 8 Mechanical properties of steel pipe

Category

Tensile Strength

Yield Strength

Elongation

A/%

Ordinary steel pipe(MA) ≥270 ≥180 ≥14
Soft steel tube(MB) ≥230 150~220 ≥35

a Replace with when the yield phenomenon is not obvious.

b Sample type of sample number S7 in GB/T 228-2002.


Characteristic:

TORICH QUALITY ASSURANCE

Good surface quality

Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test


Processing:W-H W-C


Widely used in the field of:Condenser, evaporator, cooler tube fuel pipe of refrigeration,automobile and electric appliance industrial


Product Images:

Pic 20170615 130059 366Img 0138


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  • TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes
  • TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes
  • TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes
  • TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes
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