Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | TT OT 100% LC AT SIGHT |
| Supply Ability | 1000Ton/month |
| Delivery Time | 30DAYS |
| Packaging Details | Exporting package/wooden box package |
| Standard | DIN2394 |
| Grade | St 44-2,RSt 37-2, RSt 34-2 |
| Type | welded precision tube |
| OD. Range | 6mm – 114.3mm |
| Wall thickness | 1mm-15mm |
| Length | Max length 12M |
| Brand Name | Joyruns |
| Model Number | DIN2394 Welded Precision carbon tube |
| Certification | ISO9000 |
| Place of Origin | CHANGZHOU, CHINA |
View Detail Information
Explore similar products
Precision Mild Steel Seamless Pipe EN10305-1 Cold Rolled Steel Tubes E355 BK
SAE4140 QT Seamless Precision Steel Tube EN10083-3 Seamless Galvanized Steel
EN10305-1 Seamless Alloy Steel Tubes , Camshaft Cold Finished Seamless Tube S45C
JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless
Product Specification
| Payment Terms | TT OT 100% LC AT SIGHT | Supply Ability | 1000Ton/month |
| Delivery Time | 30DAYS | Packaging Details | Exporting package/wooden box package |
| Standard | DIN2394 | Grade | St 44-2,RSt 37-2, RSt 34-2 |
| Type | welded precision tube | OD. Range | 6mm – 114.3mm |
| Wall thickness | 1mm-15mm | Length | Max length 12M |
| Brand Name | Joyruns | Model Number | DIN2394 Welded Precision carbon tube |
| Certification | ISO9000 | Place of Origin | CHANGZHOU, CHINA |
| High Light | DIN 2394-81 Precision carbon Steel Tube ，Welded Sized Precision carbon Steel Tube ，DIN 2394-81 precision stainless steel tubing | ||
DIN 2394-81 ST44-2 As-Welded and Sized Precision Carbon Steel Tubes
Carbon Steel ST 44-2 DIN 2394 Piping are predominantly used in the construction of the chemical plant, pressure vessels, pipework and for general mechanical engineering purposes.
This Standard applies to welded and sized precision steel tubes; and, in compliance with ISO/DIS 3306, those tube dimensions have been selected from the range of manufacture dimensions which are mainly used as design elements
If tubes with the tolerances and in accordance with the technical conditions of delivery of this Standard ard to be user as pipelines, the dimensions of DIN 2458 may, if necessary, be used. These tubes must e ordered according to quality grade C.
DIN 2394-81 ST44-2 Grade and Chemical Composition
| Grade | Chemical composition (%) | ||||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Others | |||
| St28 USt28 RSt28 | W | 0.13Max | - | - | 0.050Max | 0.050Max | - | - | - | - | a |
| b | |||||||||||
| c | |||||||||||
| St34.2 US34.2 RSt34.2 | W | 0.15Max | - | - | 0.050Max | 0.050Max | - | - | - | - | a |
| b | |||||||||||
| c | |||||||||||
| St3.2 US37.2 RSt37.2 | W | 0.17Max | - | - | 0.050Max | 0.050Max | - | - | - | - | a |
| b | |||||||||||
| c | |||||||||||
| St44.2 | W | 0.21Max | - | - | 0.050Max | 0.050Max | - | - | - | - | a |
| b | |||||||||||
| c | |||||||||||
| St52.3 | W | 0.25Max | 0.55Max | 1.60Max | 0.040Max | 0.040Max | - | - | - | - | a |
| b | |||||||||||
| c | |||||||||||
DIN 2394-81 ST44-2 Mechanical properties
| Mechanical properties | |||
| Steel Grade | Tensile Strength, N/mm2 (min) | Yield Strength, N/mm2 (min) | Elongation, % (min) |
| NBK | |||
| RSt 34-2 | 310 - 410 | 205 | 28 |
| RSt 37-2 | 340 - 470 | 235 | 25 |
| St 44-2 | 410 - 540 | 255 | 21 |
| BK | |||
| RSt 34-2 | 330 | - | 8 |
| RSt 37-2 | 390 | - | 7 |
| St 44-2 | 440 | - | 6 |
| GBK | |||
| RSt 34-2 | 300 | - | 28 |
| RSt 37-2 | 315 | - | 25 |
| St 44-2 | 390 | - | 21 |
| Grade |
Material number | Tensile Test MPa or N/mm2 |
Remarks (Similar to JIS) | |
| Min Yield point | Tensile Strength | |||
| St28 USt28 RSt28 | - 1.0357 1.0326 | - | 305Min | (STKM11) (STAM290G) |
| - | 265Min | |||
| 180 | 275~385 | |||
| St34-2 US34-2 RSt34-2 | - 1.0028 1.0034 | - | 335Min | - |
| - | 305Min | |||
| 205 | 315~410 | |||
| St37-2 US37-2 RSt37-2 | 1.0037 1.0036 1.0038 | - | 390Min | (STKM12) |
| - | 315Min | |||
| 205 | 340~470 | |||
St44-2 | 1.0044 | - | 440Min | (STKM13) (STAM390G) |
| - | 390Min | |||
| 255 | 410~540 | |||
St52-3 | 1.0570 | - | 540Min | (STKM19) |
| - | 490Min | |||
| 350 | 490~630 | |||
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
Get in touch with us
Leave a Message, we will call you back quickly!