DIN 2393 St37-2 Welded Steel Tube Precision Cold Drawn Welded Steel Pipe For Sleeve
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 3 Tons | Price : | USD 500-900 Tons |
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Packaging Details : | In plywood case,In wooden box. | Delivery Time : | 30 Work Days |
Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability : | 50000Tons/year |
Place of Origin: | China | Brand Name: | TORICH |
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Certification: | ISO 9001,ISO 14001,TS 16949 | Model Number: | GB/T14291 |
Detail Information |
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Keyword: | Steel Tube | Type: | Steel Tube |
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Surface: | Oiled | Material: | Q195 Q215 Q235 Q295 Q345 |
Shape: | Round | Length: | 3-12m |
OD: | 21-660mm | WT: | 0.6-18mm |
High Light: | welded steel pipe,electric resistance welded steel tube |
Product Description
Table 1 Outer Diameter,Wall Thicknes,Theoretical Weight and Test Pressure
Norminal Outer Diameter(D)/mm | Norminal Wall Thickness(S)/mm | Theoretical Weight/(kg/m) | Test Pressure/MPa | ||
Q235A,Q235B | Q295A,Q295B | Q345A,Q345B | |||
21.3 | 2.5 | 1.16 | 15 | 15 | 15 |
21.3 | 3 | 1.35 | 15 | 15 | 15 |
21.3 | 3.5 | 1.54 | 15 | 15 | 15 |
25 | 2.5 | 1.39 | 15 | 15 | 15 |
25 | 3 | 1.63 | 15 | 15 | 15 |
25 | 3.5 | 1.86 | 15 | 15 | 15 |
25 | 4 | 2.07 | 15 | 15 | 15 |
26.9 | 2.5 | 1.50 | 15 | 15 | 15 |
26.9 | 3 | 1.77 | 15 | 15 | 15 |
26.9 | 3.5 | 2.02 | 15 | 15 | 15 |
26.9 | 4 | 2.26 | 15 | 15 | 15 |
31.8 | 2.5 | 1.81 | 15 | 15 | 15 |
31.8 | 3 | 2.13 | 15 | 15 | 15 |
31.8 | 3.5 | 2.44 | 15 | 15 | 15 |
31.8 | 4 | 2.74 | 15 | 15 | 15 |
33.7 | 2.5 | 1.92 | 15 | 15 | 15 |
33.7 | 3 | 2.27 | 15 | 15 | 15 |
33.7 | 3.5 | 2.61 | 15 | 15 | 15 |
33.7 | 4 | 2.93 | 15 | 15 | 15 |
38 | 2.5 | 2.19 | 15 | 15 | 15 |
38 | 3 | 2.59 | 15 | 15 | 15 |
38 | 3.5 | 2.98 | 15 | 15 | 15 |
38 | 4 | 3.35 | 15 | 15 | 15 |
40 | 2.5 | 2.31 | 15 | 15 | 15 |
40 | 3 | 2.74 | 15 | 15 | 15 |
40 | 3.5 | 3.15 | 15 | 15 | 15 |
40 | 4 | 3.55 | 15 | 15 | 15 |
42.4 | 2.5 | 2.46 | 15 | 15 | 15 |
42.4 | 3 | 2.91 | 15 | 15 | 15 |
42.4 | 3.5 | 3.36 | 15 | 15 | 15 |
42.4 | 4 | 3.79 | 15 | 15 | 15 |
48.3 | 2.5 | 2.82 | 14.6 | 15 | 15 |
48.3 | 3 | 3.35 | 15 | 15 | 15 |
48.3 | 3.5 | 3.87 | 15 | 15 | 15 |
48.3 | 4 | 4.37 | 15 | 15 | 15 |
51 | 2.5 | 2.99 | 13.8 | 15 | 15 |
TABLE 2 Allowable deviation of outer diameter and wall thickness
Nominal outside diameter D | Allowable deviation of outer diameter | Permissible deviation of wall thickness |
D≤48.3 | ±0.50 | ±10%S |
48.3<D≤273 | ±1%D | |
D≤273 | ±0.75%D |
TABLE 3 Mechanical Property
Grade |
Tensile strength N/m |
Lower yield strength / N/m |
Elongation A% Not less than |
|
D≤168.3 | D>168.3 | |||
Q235A,Q235B | 375 | 235 | 15 | 20 |
Q295A,Q295B | 390 | 295 | 13 | 18 |
Q345A,Q345B | 470 | 345 | 13 | 18 |
Note : Tensile test arbitration time is based on longitudinal sample. |
TABLE 4 Inspection items, test methods and sampling number of steel pipes
NO | Inspection project | Sampling method and test method | Sampling quantity |
1 | chemical composition | GB/T 20066,GB/T 223,GB/T 4336 | One each furnace(canister) |
2 | Tensile test | GB/T 228,GB/T 2975 | One each batch |
3 | Tensile test | GB/T 241 | One by one |
4 | Ultrasonic examination | GB/T18256 | One by one |
5 | Eddy current flaw detection | GB/T 7735 | One by one |
6 | Bending test | GB/T 244 | Two per batch |
7 | Flattening test | GB/T 246 | Four each roll |
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