Seamless Cold Drawn Bright Anneal Surface Stkm 11A Tube
Specificationsauto spare part precision tube: 1. MOQ:5MT 2. DN:3/8"-10" 3. Annealed pipes 4. Tolerance:OD +/-0.05-0.20mm auto spare part precision tube specifications Standard ASTM, BS, JIS, DIN,GBSteel GradeASTM A53 A-A106B,SAE1045, GB 10#-45#,DIN st35-st45,BS 1387,JIS S45CDN3/8"-10&......
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Product Description
Specifications
auto spare part precision tube:
1. MOQ:5MT
2. DN:3/8"-10"
3. Annealed pipes
4. Tolerance:OD +/-0.05-0.20mm
auto spare part precision tube specifications
Standard | ASTM, BS, JIS, DIN,GB |
Steel Grade | ASTM A53 A-A106B,SAE1045, GB 10#-45#,DIN st35-st45,BS 1387,JIS S45C |
DN | 3/8"-10" |
W.T. | 2mm-25mm |
Length | 1-6m |
End protection | plastic caps |
Packing | Wrapped in bundles by steel strips |
Delivery | by container |
Third party inspection | SGS/BV |
Production Capacity | 200,000tons per year |
Delivery time | 20 days |
Application | Machinery, road and construction fields, lifter, tower crane, |
Main market | Asia, India, Middle East, America, Europe |
DIN St37.4
| Chemical Composition(%) | Mechanical Property | |||||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | Mo | Yield Strength | Tensile Strength |
| ( σs ) | ( σb ) | |||||||||
| 0.07~0.17 | 0.15~0.35 | 0.40~0.70 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.25 | ≤0.25 | / | ≥235 (MPa) | ≥315 |
| (MPa) | ||||||||||
| End Shape | Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements | |||||||||
| Surface | Oiled, Galvanized, Phosphate etc | |||||||||
| Treatment | ||||||||||
| Technique | Cold drawn | |||||||||
| Application | 1. Automotive and mechanical pipes | |||||||||
| 2. Petroleum cracking pipes | ||||||||||
| 3. High Pressure Boiler Pipe | ||||||||||
| 4. Low and middle pressure fluid transportation pipeline | ||||||||||
| 5. Chemical fertilizer equipment pipes | ||||||||||
| 6. Heat exchanger pipes | ||||||||||
| Delivery | 1. BK (+C) | No heat treatment after last cold forming process. | ||||||||
| Conditions | 2. BKW (+LC) | After last heat treatment there is a light finishing pass (cold drawing) | ||||||||
| 3. BKS (+SR) | After the final cold forming process the tubes are stress relieve annealed. | |||||||||
| 4. GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere. | |||||||||
| 5. NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere. | |||||||||
| Package | 1. Bundle Packing. | |||||||||
| 2. Plain end or vanished as per customer's request. | ||||||||||
| 3. Wrapped in waterproof paper. | ||||||||||
| 4. Sackcloth with several steel strips. | ||||||||||
5. Pack in heavy tri-wall boxes. | ||||||||||
