Seamless Cold Drawn Bright Anneal Surface Stkm 11A Tube
China Seamless Cold Drawn Bright Anneal Surface Stkm 11A Tube, Find details about China Stkm 11A Tube, Bright Anneal Tube from Seamless Cold Drawn Bright Anneal Surface Stkm 11A Tube
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. | ||||||||||
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