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

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

Brand Name : TORICH

Model Number : GB/T24187

Certification : ISO 9001,ISO 14001,TS 16949

Place of Origin : CHINA

MOQ : 5

Price : USD500-100/ton

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

Supply Ability : 50000Tons/year

Delivery Time : 15-30Days

Packaging Details : In plywood case,In wooden box.

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

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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

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

Yield Strength

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

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 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

Yield Strength

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

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 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

Yield Strength

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

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


Product Tags:

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