Seamless Steel Tubes for Low & Medium Pressure Boiler
Product Details:
| Standard | GB |
|---|---|
| Application | Boiler Pipe |
| Technique | Seamless |
| Specification | 114 ~219 |
| Model Number | GB/T3087,ASTM A210 |
| Brand Name | minghe |
| Grade | seamless tube |
| type | Boiler pipes |
| Usage | Low & Medium Pressure Boiler |
| Length | 4-12m |
| Thickness | 6-50 |
| Outer Diameter | 4 1/2"- 8 5/8 |
| Place of Origin | Zhejiang, China (Mainland) |
Detailed Product Description
GB/T3087 Chinese National Standard
ASTM A210 Standard of American Society for Testing & Materials
Application: For Arch and Stay Tubes, Superheater Tubes and Heatexchanger Tubes of Low & Medium Pressure Boiler.
Chemical Composition (%)
Grade | C | Mn | Si | Cr | Ni | Mo | V | AL | S | P |
≤ | ≤ | ≤ | ||||||||
10 | 0.07~0.14 | 0.35~0.65 | 0.17~0.37 | 0.15 | 0.25 | - | - | - | 0.035 | 0.035 |
20 | 0.17~0.24 | 0.35~0.65 | 0.17~0.37 | 0.25 | 0.25 | - | - | - | 0.035 | 0.035 |
Mechanical Properties
Grade | Tensile Strength | Yield Strength | Elongation |
σb/MPa | σs/MPa | δ5(%) | |
≥ | |||
10 | 335~475 | 195 | 24 |
20 | 410~550 | 245 | 20 |
Size Tolerance
Size | Tolerance | ||||
mm | Normal | High Level | |||
Outside Diameter D | ≤159 | ±1.0%(±0.5mm Min.) | ±0.75%(±0.3mm Min.) | ||
159 | ±1.0%(±1mm Min.) | ±0.90%(±0.8mm Min.) | |||
Wall Thickness S | 3.5 | 15%(0.3mm Min.) | ±10%(±0.2mm Min.) | ||
-10%(-0.32mm Min.) | |||||
3.5~20 | 15% | ±10% | |||
-10% | |||||
20 | D219 | ±10% | ±7.5% | ||
D≥219 | 12.50% | ±10% | |||
10.00% | |||||
Remark:
Seamless Steel Tubes for Low & Medium Pressure Boiler
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Company Info
Zhejiang Minghe Steel Pipe Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Huzhou
Province/State: Zhejiang
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products