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 |
1. Standard export bundle wrapped with strong steel strip
2. Wooden case
3. Nylon packed
1. Reply your enquiry in 24 working hours.
2. Experienced staffs answer all your questions in professional and fluent English.
3. Exclusive and unique solution can be provided to our customer by your our well-trained and professional engineers and staffs
4. Special discount and protection of sales area provided to your distributor.
HDT 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.