JIS3445 STKM11A Seamless Precision Steel Tube 37.6×1.6mm Cold Drawn Alloy for Hydraulic Systems
Price:
Negotiable
MOQ:
2Tons
Delivery Time:
20days
Brand:
Joyruns
Product Description
JIS3445 STKM11A Seamless Precision Steel Tube
Cold drawn alloy steel seamless tube measuring 37.6×1.6mm, engineered for high-performance applications requiring precision dimensions and superior mechanical properties.
Applications
- Hydraulic systems and components
- Automotive industry applications
- Machinery and equipment manufacturing
- Precision engineering systems
Chemical Composition (%)
| Standard | Steel Grade | C | Si | Mn | P | S |
|---|---|---|---|---|---|---|
| JIS G3445 | STKM11A | ≤0.12 | ≤0.35 | ≤0.60 | ≤0.040 | ≤0.040 |
Mechanical Properties
| Standard | Steel Grade | Yield Strength min. (MPa) | Tensile Strength min. (MPa) | Elongation A min. (%) |
|---|---|---|---|---|
| JIS G3445 | STKM11A | / | 290 | 35 |
Dimensional Tolerances
| Name | Range (mm) | German Standard (mm) | Corporate Internal Control (mm) | Special High-Precision (mm) |
|---|---|---|---|---|
| Outer Diameter | 4-30 | ±0.08 | ±0.05 | ±0.03 |
| 31-40 | ±0.15 | ±0.05 | ±0.03 | |
| 41-50 | ±0.20 | ±0.08 | ±0.03 | |
| 51-60 | ±0.25 | ±0.08 | ±0.03 | |
| Wall thickness | 0.5-7 | ±10% | ±10%, Min±0.05 | ±10%, Min±0.03 |
| Length | Standard | ±10mm (custom cutting available for automotive industry) | ||
Heat Treatment & Delivery Conditions
| Delivery Condition | Heat Treatment Process |
|---|---|
| +C | Cold drawn/hard - No heat treatment after final cold forming |
| +LC | Cold drawn/soft - Limited deformation after final heat treatment |
| +SR | Stress relief - Applied after last cold deformation process |
| +A | Annealing - Controlled atmosphere furnace treatment |
| +N | Normalizing - Annealing above phase transition point |
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Get in Touch
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Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee