Home > Products > Cold Rolled Steel Tube > DIN 2391 ST35 High Precision Cold Rolled Seamless Steel Tube
DIN 2391 ST35 High Precision Cold Rolled Seamless Steel Tube
- 10000 Ton / Tons per Month
- SHANGHAI NINGBO QINGDAO DALIAN TIANJIN ETC
- T/T D/P D/A
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Product Details
Thickness | 0.5, 25 | Section Shape | Round | |
Outer Diameter | 5 - 220 mm | Secondary Or Not | Non-secondary | |
Application | Other, used in automotive industry | Technique | Cold Rolled | |
Certification | CE | Surface Treatment | Other | |
Alloy Or Not | Non-alloy |
Product Description
High Precision Cold Rolled Seamless Steel Tube
Applications:
High Precision Cold Rolled Seamless Steel Tube is used in automotive industry, and in the occasion where the high accuracy, brightness, cleanness of the tube are required.
Main Features:
1. Inner and outer walls of tube have high accuracy.
2. Excellent brightness.
3. No oxidization after heat treatment
4. High cleanness inside tube.
Quality Standards:
DIN 2391 Seamless Precison Steel Tubes
BS6323 Specification for Seamless and Welded Steel Tubes for Automobile, Mechanical and General Engineering Purposes
ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
Steel Grades:
DIN Standard: St35, St52
BS Standard: CFS 4, CFS 5, CFS 10
ASTM Standard: 1020, 1045, 4130
Chemical Composition(%):
Grade | C | Si | Mn | P | S | Cr | Mo |
St 35 (DIN1.0308) | 0.17 max | 0.35 max | 0.40 min | 0.025 max | 0.025 max | / | / |
Size Range:
Outer Diameter: 5mm-220mm
Wall Thickness: 0.5mm-25mm
Delivery Conditions:
+C (BK) Hard. No final treatment after final cold rolling.
+LC (BKW) Soft. Final heat treatment is followed by a suitable drawing pass (limited reduction of area).
+SR (BKS) Stress Relieved. After final cold rolling, the tubes are stress relieved in a controlled atmosphere.
+A (GBK) Annealed. After final cold rolling, the tubes are annealed in a controlled atmosphere.
+N (NBK) Normalized. After final cold rolling, the tubes are normalized in a controlled atmosphere.
Mechanical Properties( T=20°C if not differently stated ):
Grades | Delivery Conditions | Tensile Strength Rm (Mpa) | Yield Strength R2 (Mpa) | Elongation in the longitudinal direction Al (%) |
St 35 | +C (BK) | 480 min | / | 6 min |
St 35 | +LC (BKW) | 420 min | / | 10 min |
St 35 | +SR (BKS) | 420 min | 315 min | 14 min |
St 35 | +A (GBK) | 315 min | / | 25 min |
St 35 | +N (NBK) | 340-470 | 235 min | 25 min |
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.
Mill Test Certificate:
MTC is issued in accordance with EN 10204.
Contact Us
- Hunan Fushun Metal Co., Ltd.
- Contact nameFlorence Tang Chat Now
- Phone86-731-89903933
- AddressRoom 1506, Building 37, Zhongcheng Lijinxiangshan District, No. 239, Part II, Wanjiali Middle Road, Changsha, Hunan
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