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DIN2391 St37.4/St52/ St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube

China DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube, Find details about China Steel Pipe, Seamless Steel Pipe from DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube

Model NO.
IR-C
Outer Diameter
8mm~140mm
Wall Thickness
0.8mm~20mm
Length
6meters, 9meters, 12meters, Random Length
Delivery State
Bk, Nbk, Gbk
Trademark
Ironsteel
Transport Package
Bundled, Wrapped, Wooden Cased.
Specification
DIN2391
Origin
China
HS Code
73041990
Model NO.
IR-C
Outer Diameter
8mm~140mm
Wall Thickness
0.8mm~20mm
Length
6meters, 9meters, 12meters, Random Length
Delivery State
Bk, Nbk, Gbk
Trademark
Ironsteel
Transport Package
Bundled, Wrapped, Wooden Cased.
Specification
DIN2391
Origin
China
HS Code
73041990
Cold Drawn Seamless steel Pipe with high precision of size
Standard: GB/T8162, GB/T8163, GB/T3639, DIN2391-2
Steel material: ST52, ST45, ST37.4,20#(AISI 1020/DIN1.0402 C22), 45#(ASTM 1045,DIN45), 20Cr, Q345B, etc
Technique: Cold rolling / Cold drawing
OD: 8mm~140mm
Wall thickness: 0.8mm~20mm
Toleraance of size: ±0.1mm(outer diameter).
Usage: widely used for mechanical processing, Automobile industry, hydraulic equipments
Advantages of our high precision seamless pipe:
1.       Smaller caliber
2.       Accept small qty order
3.       Good surface treatment
4.       The pipe with superior performance, suitable for mechanical making
DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube
DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube
DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube
Normal size list
OD (mm)Thickness (mm)OD (mm)Thickness (mm)OD (mm)Thickness (mm)OD (mm)Thickness (mm)
Φ13.11.5-3Φ35.51.5-7Φ46.11.5-10Φ931.5-15
Φ19.251.5-5Φ35.91.5-7Φ47.81.5-10Φ19-Φ1211.5-15
Φ221.5-5Φ36.61.5-7Φ49.21.5-10  
Φ22.21.5-5Φ381.5-8Φ49.51.5-10  
Φ251.5-6Φ38.41.5-8Φ52.31.5-10  
Φ26.31.5-6Φ401.5-10Φ53.81.5-10  
Φ271.5-6Φ40.21.5-10Φ571.5-10  
Φ281.5-6Φ40.91.5-10Φ591.5-10  
Φ301.5-6Φ41.31.5-10Φ601.5-11  
Φ30.251.5-6Φ41.61.5-10Φ62.51.5-11  
Φ30.91.5-6Φ421.5-10Φ741.5-11  
Φ311.5-7Φ431.5-10Φ751.5-11  
Φ321.5-7Φ44.51.5-10Φ761.5-11  
Φ351.5-7Φ45.81.5-10Φ891.5-15  

DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel TubeSize tolerance
ODStandard toleranceSpecial tolerance
Outer DiameterGB/T3639DIN2391EN10305O Dthickness
4mm-20mm±0.10 mm±0.08 mm±0.08 mm±0.05mm±0.05mm
20mm-30mm±0.10 mm±0.08 mm±0.08 mm±0.08 mm±0.08 mm
31mm-40mm±0.15 mm±0.15 mm±0.15 mm±0.10 mm±0.08 mm
41mm-60mm±0.20 mm±0.20 mm±0.20 mm±0.15 mm±0.15 mm
61mm-80mm±0.30 mm±0.30 mm±0.30 mm±0.20 mm±0.20 mm
81mm-120mm±0.45 mm±0.40 mm±0.40 mm±0.30 mm±0.30 mm
DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube
DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube
DIN2391 St37.4/St52/St45 Cold Rolling/Cold Drawn Seamless Steel Pipe Precise Steel Tube


Chemical Composition
MaterialChemical composition (%)
CMnPSSiNiCu
20#
AISI 1020		0.17~0.230.35~0.65≤0.035≤0.0350.17~0.37≤0.3≤0.25
45#
ASTM1045, DIN45		0.42~0.50.5~0.8≤0.04≤0.0450.17~0.37≤0.25≤0.25
Mechanical Properties
Steel materialTensile Strength MpaYield strength MpaElongation
%		HardnessStraightness
20#≥510≥245≥25≤156HB0.3~1.0
45#≥647≥355≥16≤HRC620.3~1.0
 
 

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