| Categories | Seamless Precision Steel Tube |
|---|---|
| Brand Name: | Joyruns |
| Model Number: | EN10305-1, DIN2391 |
| Certification: | ISO9000 |
| Place of Origin: | CHANGZHOU, CHINA |
| MOQ: | 5TONs |
| Price: | Negotiable |
| Payment Terms: | TT OT 100% LC AT SIGHT |
| Supply Ability: | 1000Ton/month |
| Delivery Time: | 30DAYS |
| Packaging Details: | Exporting package/wooden box package |
| Standard: | EN10305-1, DIN2391 |
| Grade: | E235, E255, E355 |
| Type: | Seamless cold drawing or cold rolled |
| OD. Range: | 3mm – 30mm |
| Thickness: | 0.5mm--12 |
| Length: | Max length 6m |
4130 Alloy Chromoly Steel Pipe
| Chemical Composition(%) | Mechanical Property | |||||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | Mo | Yield Strength | Tensile Strength |
| ( σs ) | ( σb ) | |||||||||
| 0.28~0.33 | 0.15~0.30 | 0.40~0.60 | ≤0.04 | ≤0.035 | ≤0.15 | 0.80~1.10 | / | 0.15~0.25 | ≥785(80) (MPa) | ≥930(95) |
| (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 | ||||||||||
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, Online inspection
5. Heat Treatment:+SR, +A, +N
6. Straightening/Cutting to specified length/Finished Measuring
Inspection
7. Quality Testing in own lab with Tensile Strength, Yield
Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
Customer benefits
High dimensional accuracy for inside and outside diameters
|
Precision Mild Steel Seamless Pipe EN10305-1 Cold Rolled Steel Tubes E355 BK
SAE4140 QT Seamless Precision Steel Tube EN10083-3 Seamless Galvanized Steel Pipe 48*11mm
EN10305-1 Seamless Alloy Steel Tubes , Camshaft Cold Finished Seamless Tube S45C C45 CK45 BKS
JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM
EN10305-4 E235 N Cold Drawn Alloy Seamless Carbon Steel Tube For Hydraulic Pneumatic Power Systems
EN10083-3 Seamless Precision Steel Tube 42CrMo4 QT Cold Drawn Extruded Steel Pipe
DIN17175 12CrMo Cold Drawn Hydraulic Tube Seamless Alloy Steel Pipe 57*3mm
ST52 ST52.3 Seamless Precision Steel Tube DIN17175 Cold Drawn Extruded Steel Pipe
DIN2391 ST35 Cold Drawn Extruded Metal Tubing , Automobiles Seamless Mechanical Tubing 48*11 N
Automobiles Carbon Steel Seamless Tube , Cold Drawing Precision Seamless Pipe DIN2391 ST37.4
China DIN17175 Seamless Precision Steel Tube 13CrMo44 Seamless Heat Exchanger Tubes wholesale
China STKM13A JIS3445 Precision Seamless Steel Tube , 75*3.5MM Carbon Seamless Steel Pipe Cold Drawing wholesale
China Cold Drawing Seamless Precision Steel Tube Pipe For Auto Industry E235 NBK EN10305-1 wholesale
