High Tensile Carbon Seamless Steel Tube Thin Wall EN10305-1 OD 4-80mm
TORICH High Tensile Thin Wall 34mm MS 1010 Plastic End Caps for AISI 1020 46mm 4130 Carbon Seamless Mild ASTM A513 1026 DOM Tube
TORICH High Tensile Thin Wall 34mm MS 1010 Plastic End Caps for AISI 1020 46mm 4130 Carbon Seamless Mild ASTM A513 1026 DOM Tube
Steel Grade/Steel Material:
E155 E195 E235 E275 E355
Delivery Condition:
N Normalized
Size Range:
O.D.:4-80mm
W.T.:1-8mm
L:max 6000mm
Characteristic:
Good concentricity
Good OD and ID tolerance
High precision
Stable quality
Smooth roughness
DOM Steel Tube Production Process:
Raw material → Incoming inspection → Cutting → Heating → Piercing → Hammering →Pickling → Cold-drawing → Heat treatment → Physical chemistry test → Straightening → Ends cutting → Final inspection → Bundling →Storage
| Standard | Steel Grade | C | Si | Mn | P | S |
| EN 10305-1 | E215 | ≤0.10 | ≤0.05 | ≤0.70 | ≤0.025 | ≤0.025 |
| E235 | ≤0.17 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.025 | |
| E355 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.025 | |
| DIN 2391 | St35 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 |
| St37.4 | ≤0.17 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St45 | ≤0.21 | ≤0.35 | ≥0.40 | ≤0.025 | ≤0.025 | |
| St52 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.025 | |
| GB/T 3639 | 10 | 0.07-0.13 | 0.17-0.37 | 0.35-0.65 | ≤0.030 | ≤0.030 |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.030 | ≤0.030 | |
| 35 | 0.32-0.39 | 0.17-0.37 | 0.50-0.80 | ≤0.030 | ≤0.030 | |
| 45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.030 | ≤0.030 | |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.030 | ≤0.030 |
Production Steel Tube:
Eddy Current Test and Ultrasonic Test:
Packing:
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