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Home / Products / Welded Steel Pipe / Precision Round Weldable Steel Tubing 1 - 200m Length For Condenser GB/T24187
Quality Precision Round Weldable Steel Tubing 1 - 200m Length For Condenser GB/T24187 factory
Quality Precision Round Weldable Steel Tubing 1 - 200m Length For Condenser GB/T24187 factory
Quality Precision Round Weldable Steel Tubing 1 - 200m Length For Condenser GB/T24187 factory

Precision Round Weldable Steel Tubing 1 - 200m Length For Condenser GB/T24187

Basic Properties
Place of Origin: China
Brand Name: New Era
Certification: ISO 9001,ISO 14001,TS 16949
Model Number: GB/T24187
Trading Properties
Minimum Order Quantity: 5 tons
Price: Negotiation
Payment Terms: T/T
Supply Ability: 5000 tons/month
Tags

weldable steel pipe

welding round tubing

weldable steel tubing
Product Summary
GB/T24187 Cold Drawn Precision Welded Steel Coil Tubes for Condenser Spec: Material:C Si Mn P S Size Range:OD:3.18-18mm WT:0.5-1.2mm General Length:1-200m Tolerance: According to the following tables or customers’ request. Table 1 Outer diameter, wall thickness and theoretical weight OD/mm WT/mm 0...

Product Details

Highlight:

weldable steel tubing

,

welding round tubing
Material: Q195 Q215 Q235 Q295 Q345
Surface: Bright ,Copper Plated, Galvanized Or Customers'requirements.
OD Size: 3.18-18mm
WT Size: 0.5-1.2mm
Type: Welded Steel Pipes
Shape: Round，Or According To The Customer's Request
Length: 1-200m
Delivery Time: 30 Days
Product Description

GB/T24187 Cold Drawn Precision Welded Steel Coil Tubes for Condenser
Spec:
Material:C Si Mn P S
Size Range:OD:3.18-18mm
WT:0.5-1.2mm
General Length:1-200m
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:

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

 

Mr. Denny

Managing Director

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