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Model No.: SAE J525
Brand: TORICH
Type: Carbon Steel Tube
Certification: CE
Application: Structure Pipe
Section Shape: Round
Surface Treatment: Oiled
Usage: For General Structure
Technique: Cold Drawn
Material: Carbon Steel
Production: Cold Drawn
Keyword: DOM STEEL TUBE
End Protector: Plain End / Beveled End
Delivery Condition: Annealed
Surface: As Customer' Requirement
Model Number: ASTM, DIN, GOST, Etc
Heat Treatment: According To Customer's Request
Name: Cold Drawn Steel Tube
Packaging: In hexagonal bundles or in wooden box
Productivity: 10000tons per year
Transportation: Ocean,Air
Place of Origin: China
Supply Ability: 40000 Tons per year
Certificate: ISO9001 TS16949 EN10204.3.1
Port: Shanghai,Ningbo
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Quick Detail:
SAE J525 Welded Cold Draw Low Carbon Steel Tubing annealed for bending and flaring
Size range: O.D.:30-350mm W.T.:1-15mm L: 12000mm or Cut to Short Pieces as specified length
Applications: for Bending and Flaring, Auto Parts
Manufacture:
The tubing is made from flat-rolled steel shaped into a tubular form, the edges of which are joined and fused together by electric-resistance welding. After forming and welding, the tubing is normalized and subject to a cold-drawing operation that shall result in a 15% minimum reduction in cross-sectional are, of which 8% shall consist in a reduction in wall thickness. Sequent to cold working, the tubing shall be normaIized via an atmospherically controlled method to produce a finished product that will meet all requirement of SAJ525
Dimensions and Tolerances:
The tolerances applicable to the tubing outside diameter and inside diameter are shown in Table 1.
The tolerances applicable to the tubing wall thickness are shown in Table 2
Dimensional tolerances can only apply to two of the three tubing dimensions ( OD, ID, or wall)
Unless otherwise agreed upon between customer and us., dimensional tolerances shall apply to the tube OD and wall dimensions.
Table 1- TUBING OUTSIDE DIAMETER TOLERANCE | ||
Nominal Tubing | Tolerance | Tolerance |
Up to 9.50 | 0.05 | 0.05 |
Over 9.50 to 15.88 inclusive | 0.06 | 0.06 |
Over 15.88 to 50.80 inclusive | 0.08 | 0.08 |
Over 50.8 to 63.50 inclusive | 0.10 | 0.10 |
Over 63.50 to 76.20 inclusive | 0.13 | 0.13 |
Over 76.20 to 100.00 inclusive | 0.15 | 0.15 |
WT tolerance shall be not more than 10% |
Table 2- TUBING WALL THICKNESS TOLERANCE | |||
Nominal | Nominal OD | Nominal OD | Nominal OD |
0.89 | 0.05/0.05 | 0.05/0.05 | 0.05/0.05 |
1.00 | 0.05/0.05 | 0.05/0.08 | 0.05/0.08 |
1.25 | 0.05/0.05 | 0.05/0.08 | 0.05/0.08 |
| |||
1.50 | 0.05/0.05 | 0.05/0.08 | 0.05/0.08 |
1.65 | 0.05/0.05 | 0.05/0.08 | 0.05/0.08 |
2.00 | 0.05/0.05 | 0.05/0.08 | 0.05/0.08 |
2.11 | 0.05/0.05 | 0.05/0.08 | 0.05/0.08 |
| |||
2.410 | 0.05/0.05 | 0.05/0.08 | 0.08/0.08 |
2.500 | 0.05/0.08 | 0.05/0.10 | 0.08/0.08 |
2.770 | 0.05/0.08 | 0.05/0.10 | 0.08/0.08 |
3.000 | 0.05/0.08 | 0.05/0.10 | 0.08/0.08 |
3.050 | 0.05/0.08 | 0.05/0.10 | 0.08/0.08 |
| |||
3.40 | - | 0.05/0.10 | 0.08/0.08 |
3.75 | - | 0.05/0.10 | 0.08/0.08 |
4.00 | - | 0.08/0.10 | 0.08/0.10 |
4.19 | - | 0.08/0.10 | 0.08/0.10 |
4.57 | - | 0.10/0.10 | 0.08/0.13 |
5.00 | - | 0.10/0.13 | 0.10/0.13 |
Table 2- CHEMICAL REQUIREMENTS | |
Element | % |
Carbon | 0.06-0.18 |
Manganese | 0.30 to 0.60 |
Phosphpris | 0.040 max |
Sulfur | 0.050 max |
Table 3- MECHANICAL PROPERTIES | |
Properties | Value |
Yield Strength,min | 170 Mpa |
Ultimate Strenth,min | 310 Mpa |
Elongation in 50mm, min | 35% |
Hardness ( Rockwell B),max | 65.00 |
Production Steel Tube:
Eddy Current Test and Ultrasonic Test:
Packing:
Product Categories : DOM Steel Tubes
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