Din2391 ST37.4 ST52.4 Seamless Precision Steel Tube
| Application | Shock absorber,Motorcycle accessories, drill pipe,Excavator accessories,Auto part, hight pressure boiler tube, honed tube,Transmission shaftetc |
| standard | ASTM JIS DIN GB |
| Material | ASTM A53A,ASTM A53B,ASTM A178C |
| 10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A |
| ST37,ST37-2,DIN 1629 ST35,DIN 1629 ST45,DIN 17175 ST35.8,DIN 17175 |
| DIN 17175 19Mn5 |
| 16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9, |
| P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910,12CrMo, |
| 13CrMo44,30CrMo,A333 GR.1,GR.3,GR.6,GR.7,etc |
| Gr.B,X42,X46,X52,X60,X65,X70,X80,X100,etc |
| Dimensions | Out diameter: 10mm~140mm |
| Wall Thickness: 3mm~25mm |
| Length:5.8m~6m or customize |
| Surface treatment | Black painting |
| Payment method | 30% T/T IN ADVANCE ,70% T/T BALANCE AT THE SIGHT OF COPY B/L. |
| trade terms | FOB CIF CFR etc |
| Delivery time | 25~30days |
| Tolerance | ±0.1mm |
| Type | 1. Seamless steel pipe
2. ERW steel pipe
3. Tubing
4.Hot-rolled steel pipe
5. Spiral steel pipe
6. Hot-galvanized steel pipe |
Cold-rolled (dial) seamless steel pipe is divided into general steel pipe, low and medium pressure boiler
steel pipe, high pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, petroleum cracking pipe,
other steel pipes, and also includes carbon thin-walled steel pipe and alloy thin-walled steel pipe.
Stainless steel thin-walled steel pipe and special-shaped steel pipe. The outer diameter of hot-rolled
seamless pipe is generally larger than 32mm, the wall thickness is 2.5-75mm, the outer diameter of
cold-rolled seamless steel pipe can be up to 6mm, the wall thickness can be up to 0.25mm, the outer diameter
of thin-walled pipe can be 5mm, and the wall thickness is less than 0.25mm. Cold rolling has higher
dimensional accuracy than hot rolling.
Generally used seamless steel pipe: it is made of 10, 20, 30, 35, 45# and other high-quality carbon steel 16Mn,
5MnV and other low-alloy structural steel or 40Cr, 30CrMnSi, 45Mn2, 40MnB and other alloy steel hot-rolled
or cold-rolled . Seamless pipes made of low carbon steel such as 10 and 20 are mainly used for fluid conveying pipes.
45, 40Cr and other medium carbon steel seamless pipes are used to make mechanical parts, such as the force parts of automobiles and tractors. Generally, seamless steel pipes are required to ensure strength and flattening test. The hot
rolled steel pipe is delivered in a hot rolled state or a heat treated state; the cold rolling is delivered in a heat treated state.
Precision steel pipes are widely used in automobiles, motorcycles, electric vehicles, petrochemical, electric power,
ships, aerospace, bearings, pneumatic components, seamless steel pipes for medium and low pressure boilers, etc.
They can also be applied to steel sleeves, bearings, hydraulic, mechanical processing and other fields!
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Cold Rolled Din2391 ST37.4 ST52.4 Seamless Steel Tube Images
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