Sign In | Join Free | My spintoband.com
China TORICH INTERNATIONAL LIMITED logo
TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
Verified Supplier

10 Years

Home > Precision Steel Tube >

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

TORICH INTERNATIONAL LIMITED
Trust Seal
Verified Supplier
Credit Check
Supplier Assessment

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Brand Name : TORICH

Model Number : GB/T 24187

Certification : ISO 9001 ISO 14001 TS 16949

Place of Origin : China

MOQ : 5 Ton

Price : USD 600-1000 / Ton

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

Supply Ability : 40000 Ton/Year

Delivery Time : 45 days

Packaging Details : Packing in wooden box,hexagonal bundles or other seaworthy ways.

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

Material : C Si Mn P S

Surface : Oiled

Application : Condenser, evaporator, cooler tube fuel pipe of refrigeration、automobile and electric appliance industrial

Shape : Round

OD : 3.18-18mm

WT : 0.3-1.3mm

Length : 1.5-4m

Contact Now

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/GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

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

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Yield Strength

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Elongation

A/%

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

a Replace with GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m 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

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Yield Strength

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Elongation

A/%

≤0.50 ≥280 130~250 ≥38
>0.50 ≥40

a Replace with GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m 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

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Yield Strength

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Elongation

A/%

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

a Replace with GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m 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:

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4mGB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m


Product Tags:

precision seamless pipe

      

precision pipes and tubes

      
Wholesale GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m from china suppliers

GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m Images

Inquiry Cart 0
Send your message to this supplier
 
*From:
*To: TORICH INTERNATIONAL LIMITED
*Subject:
*Message:
Characters Remaining: (0/3000)
 
Inquiry Cart 0