Home > Products > Welded Steel Pipe > GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes

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

Payment Type:
L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm:
FOB,CFR,CIF,FCA,CPT
Min. Order:
5 Ton
Transportation:
Ocean,Land,Air
Port:
Shanghai,Ningbo,Foshan
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  • Product Description
Overview
Product Attributes

Model No.TORICH GB/T 24187

BrandTORICH

TypeWelded

CertificationUL

ApplicationFluid Pipe

Section ShapeRound

Surface TreatmentOiled

UsageConstruction & Decoration

TechniqueCold Drawn

MaterialC Si Mn P S

LengthMax 12000mm

OD3.18-18mm

WT0.3-1.3mm

Product NameTORICH GB/T 24187 Cold-Drawn Precision S

Supply Ability & Additional Information

PackagingAnti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box

Productivity40000 ton per year

TransportationOcean,Land,Air

Place of OriginZhejiang,China

Supply Ability50000 ton per year

CertificateISO 9001:2008 ISO 14001:2008 TS 16949

HS Code7304191000

PortShanghai,Ningbo,Foshan

Payment TypeL/C,T/T,D/P,Paypal,Money Gram,Western Union

IncotermFOB,CFR,CIF,FCA,CPT

Packaging & Delivery
Selling Units:
Ton
Package Type:
Anti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box

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

      



Product Categories : Welded Steel Pipe

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