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Categories | Heat Exchanger Steel Tube |
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Brand Name: | Joyruns |
Model Number: | 20*2 |
Certification: | ISO9001 |
Place of Origin: | Changzhou |
MOQ: | 2Tons |
Payment Terms: | L/C, T/T |
Supply Ability: | 2000Tons/Month |
Delivery Time: | 30days |
Packaging Details: | plastic packing, end caps, wooden box packing |
OD size: | 6mm to 114.3mm |
Thickness: | 1mm to 20mm |
Standard: | DIN2393 |
Material: | ST35, ST45, ST52 |
Type: | Seamless cold drawning precision tube |
Delivery State: | +N, +NBK,+C,+BKS,+GBK |
Company Info. |
Changzhou Joyruns Steel Tube CO.,LTD |
Verified Supplier |
View Contact Details |
Product List |
DIN 2393 Standard applies to welded precision steel tubes, and in compliance with ISO/DIS 3304.DIN 2393 Precision Welded Steel Tubes is used for Auto and motorcycle shock absorber, Gas spring, Hydraulic system steel tube, Electric industry, Construction machinery, Heat exchanger and condenser.
Material:St28,St34.2,St37.2,St44.2,St52.3
Surface:Polished,brightness,metallic color
Size:OD 6mm-65mm,WT 1-8mm
Length: Random 10-6000mm, custom-made as well
Tolerance:+/-0.05mm.special tolerance:+/-0.03mm
Grade and chemical composition
GRADE | C max | Si max | Mn min | P max | S max | Ni | Cr |
St52.3 | 0.22 | 0.55Max | 1.60Min | 0.040 | 0.040 | ||
St28 | 0.13 | 0.50 | 0.50 | ||||
St34.2 | 0.15 | 0.50 | 0.50 | ||||
St37.2 | 0.17 | 0.50 | 0.50 | ||||
St44.2 | 0.21 | 0.50 | 0.50 |
Grade and comparison
DIN Norms:DIN 2393 | EN Norms:EN 10305-2 | UNI Norms:UNI 7946 |
RSt 34.2 | E195 | Fe320 |
RSt 37.2 | E235 | Fe360 |
St 52.3 | E355 | Fe490 |
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