SAE1020, St37.4, St52 High Precision Cold Rolled Steel Tube Cold Drawn Seamless Steel Pipe
High precision cold drawn seamless steel tube identifies the precision steel pipe with high dimension precision (inside diameter and outside diameter). Good surface finish, excellent roundness and straightness, and uniform wall occurrence. It can be very popular in mechanical structure and hydraulic gym equipment. This cold rolled or cold drawn seamless steel tube can greatly lessen machining time, raise the product excellence.
Precise Cold Rolled Seamless Steel Pipe by DIN, ANSI, JIS standard.
OD: 8mm~140mm
Wall thickness: 0.8mm~20mm
Tolerance: +/-0.1mm
Technique: Cold drawing/Cold rolling
Standard: ASME SA192/SA179, GB/T8162, GB/T8163, GB/T3639, DIN2391-2
Steel material: 20#(AISI 1020/DIN1.0402 C22), 45#(ASTM 1045,DIN45), 20Cr, 40Cr, ST52, ST45, ST37.4, Q345B, etc
Delivery state: BK, BKW, NBK, GBK, BKS
Usage: widely used for mechanical processing, Automobile industry, hydraulic equipments
Advantages of our high precision seamless steel pipe:
1. Smaller caliber
2. Accept small qty order
3. Good surface treatment
4. The pipe with superior performance, suitable for mechanical making
Chemical Composition of seamless steel pipe
| Material | Chemical composition (%) | | C | Mn | P | S | Si | Ni | Cu | 20#
AISI 1020 | 0.17~0.23 | 0.35~0.65 | ≤0.035 | ≤0.035 | 0.17~0.37 | ≤0.3 | ≤0.25 | 45#
ASTM1045, DIN45 | 0.42~0.5 | 0.5~0.8 | ≤0.04 | ≤0.045 | 0.17~0.37 | ≤0.25 | ≤0.25 | |
Mechanical Properties of seamless steel pipe
| Steel material | Tensile Strength Mpa | Yield strength Mpa | Elongation
% | Hardness | Straightness | | 20# | ≥510 | ≥245 | ≥25 | ≤156HB | 0.3~1.0 | | 45# | ≥647 | ≥355 | ≥16 | ≤HRC62 | 0.3~1.0 | |
Preicision Seamless Tube Size List
| OD (mm) | Thickness (mm) | OD (mm) | Thickness (mm) | OD (mm) | Thickness (mm) | OD (mm) | Thickness (mm) | | Φ13.1 | 1.5-3 | Φ35.5 | 1.5-7 | Φ46.1 | 1.5-10 | Φ93 | 1.5-15 | | Φ19.25 | 1.5-5 | Φ35.9 | 1.5-7 | Φ47.8 | 1.5-10 | Φ19-Φ121 | 1.5-15 | | Φ22 | 1.5-5 | Φ36.6 | 1.5-7 | Φ49.2 | 1.5-10 | | | | Φ22.2 | 1.5-5 | Φ38 | 1.5-8 | Φ49.5 | 1.5-10 | | | | Φ25 | 1.5-6 | Φ38.4 | 1.5-8 | Φ52.3 | 1.5-10 | | | | Φ26.3 | 1.5-6 | Φ40 | 1.5-10 | Φ53.8 | 1.5-10 | | | | Φ27 | 1.5-6 | Φ40.2 | 1.5-10 | Φ57 | 1.5-10 | | | | Φ28 | 1.5-6 | Φ40.9 | 1.5-10 | Φ59 | 1.5-10 | | | | Φ30 | 1.5-6 | Φ41.3 | 1.5-10 | Φ60 | 1.5-11 | | | | Φ30.25 | 1.5-6 | Φ41.6 | 1.5-10 | Φ62.5 | 1.5-11 | | | | Φ30.9 | 1.5-6 | Φ42 | 1.5-10 | Φ74 | 1.5-11 | | | | Φ31 | 1.5-7 | Φ43 | 1.5-10 | Φ75 | 1.5-11 | | | | Φ32 | 1.5-7 | Φ44.5 | 1.5-10 | Φ76 | 1.5-11 | | | | Φ35 | 1.5-7 | Φ45.8 | 1.5-10 | Φ89 | 1.5-15 | | | |
Commonly used material
Commonly used materials are 10#, 20#, 35#, 45#, 20Cr, 40Cr, 20CrMo, 16Mn, 27SIMN, 304, 201, 310S, high quality carbon structural steel.
Precision tube characteristics
The characteristics of
1. Smaller outside diameter.
2. High precision can do small batch production.
3. Cold-drawn products have high precision and good surface quality.
4. The cross area of steel pipe is more complex.
5. The performance of steel pipe is superior, and the metal is dense.
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SAE1020 Precision Steel Pipe Images
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