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TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser

Minimum Order Quantity : 5 Price : USD500-100/ton
Packaging Details : In plywood case,In wooden box. Delivery Time : 15-30Days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 50000Tons/year
Place of Origin: CHINA Brand Name: TORICH
Certification: ISO 9001,ISO 14001,TS 16949 Model Number: GB/T24187

Detail Information

Type: Welded Steel Pipes Sureface: Bright ,Copper Plated, Galvanized Or Customers'requirements.
Material: Q195 Q215 Q235 Q295 Q345 Shape: Round,Or According To The Customer's Request
Length: 1-200m OD: 3.18-18mm
WT: 0.5-1.2mm Terms Of Trade: CIF FOB CFR
High Light:

welded steel pipe

,

welding steel tubing

Product Description

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In 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/TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 0
 

 

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

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 1

Yield Strength

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 2

Elongation

A/%

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

a Replace with TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 3 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

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 1

Yield Strength

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 2

Elongation

A/%

≤0.50 ≥280 130~250 ≥38
>0.50 ≥40

a Replace with TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 3 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

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 1

Yield Strength

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 2

Elongation

A/%

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

a Replace with TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 3 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:

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 10TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser 11
 

 

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