EN10305-1 precision steel piples for gas spring(ISO9001)
Product Description
30CrMo alloy seamless steel tube:
| Material | Alloy Steel |
| Section Shape | Round |
| Crfat | Cold drawn |
| Size | 22*4.9 |
| Material | ASME SA106 |
| Seamless Steel Tube Standard | ASME BPVC II A-2016 |
| Mechanical property | Tensil strength: 465Mpa, Yield strength:297.5Mpa, Elongation: 32.5% |
| Packing Details | 1.Internal wrapped with plastic film. External wrapped with woven bags. 2. wooden boxes to pack. 3. Iron stand. |
| Certification | ISO9001 |
| Delivery condition | Annealing after BK |
| Length | 1-12m as customer's requestment |
| Tolerance | OD tolerance: +/-0.1mm, ID tolerance: +/-0.1mm |
Chemical Component:
| Steel Grade | 碳 C | 硅 Si | 锰 Mn | 硫 S | 磷 P | Cr | 镍 Ni | 铜 Cu |
| SA106 | 0.19 | 0.24 | 0.45 | 0.006 | 0.018 | 0.018 | 0.015 | 0.018 |
Mechanical property:
| Size | Tensile Strength | Yield strength | Elogation |
| Mpa | Mpa | % | |
| 24*3.9 | 445 | 317-358 | 35.5 |
The production flow chart of seamless steel tube:
Cold drawn seamless steel tube images
The Chemical composition comparison sheet:
| Steel Grade | C | Si | Mn | S | P | Cr | Ni | Cu |
| 1010 | 0.08-0.13 | 0.15-0.35 | 0.30-0.60 | ≤0.030 | ≤0.030 | ≤0.20 | ≤0.25 | ≤0.25 |
| STKM 11A | ≤0.12 | ≤0.35 | ≤0.60 | ≤0.040 | ≤0.040 | |||
| 1020 | 0.17-0.23 | 0.15-0.35 | 0.30-0.60 | ≤0.050 | ≤0.040 | |||
| STKM13A | ≤0.25 | ≤0.35 | 0.30-0.90 | ≤0.20 | ≤0.040 | ≤0.040 | ||
| A106 Gr.B | ≤0.25 | ≤0.10 | 0.29-1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 |