Product Description
Precision Steel Pipe, Precision Steel Tube
Standard: EN 10305-1, DIN2391
Steel grade: E215, E235, E355, E255, E410, ST37, ST45, ST52
Size: OD (4-320mm) x WT (0.5-15mm)
Application: Used in hydraulic system, automobile, locomotive and military industry.
Delivery Conditions:
+C (BK): Glossy hard;
+LC (BKW): Glossy soft;
+SR (BKS): Glossy soft (tempered);
+A (GBK): Without scale, soft;
+N (NBK): Normalized
OD Tolerance | 4-30mm | 31-40mm | 41-50mm | 51-60mm | 61-70mm | 71-80mm | 81-90mm | 91-100mm |
±0.08mm | ±0.15mm | ±0.20mm | ±0.25mm | ±0.30mm | ±0.30mm | ±0.40mm | ±0.45mm | |
WT Tolerance | ±10% |
Chemical Composition | ||||||||
Grade | C | Si | Mn | P | S | Al Min | V | Others |
E215 | ≤0.1 | ≤0,05 | <0.70 | ≤0,025 | ≤0,025 | 0,025 | - | - |
E235 | ≤0,17 | ≤0,17 | <1,20 | ≤0,025 | ≤0,025 | - | - | - |
E355 | ≤0,22 | ≤0,55 | <1,60 | ≤0,025 | ≤0,025 | - | - | - |
E255 | ≤0,21 | ≤0,35 | 0,40-1,10 | ≤0,025 | ≤0,025 | - | - | - |
E410 | 0,16-0,22 | 0,10-0,50 | 1,30-1,70 | ≤0.03 | ≤0.035 | 0,010-0,060 | 0,08-0,15 | Nb<0,07; Ti<0,05 |
Grade | Mechanical properties (Minimal) | |||||||||||
+C | +LC | +SR | +A | +N | ||||||||
R m | A% | R m | A% | R m | R eH | A% | R m | A% | R m | R eH | A% | |
MPa | MPa | MPa | MPa | MPa | Mpa | Mpa | ||||||
E215 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290 - 430 | 215 | 30 |
E235 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340 - 480 | 235 | 25 |
E355 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490 - 630 | 355 | 22 |
E255 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440 - 570 | 255 | 21 |
E410 | 750 | 4 | 620 | 8 | 690 | 590 | 12 | 520 | 22 | 550- 700 | 410 | 22 |
Packaging & Shipping
Company Information
H
DT is short for Hui DeTong, manufacturer of steel pipes with competetive price and good service.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in steel and other industries.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in steel and other industries.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
FAQ