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astm a106 grade b sch40 seamless steel pipe
- Yantai/Qingdao
- T/T
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Product Details
| Thickness | 2, 30 | Section Shape | Round | |
| Outer Diameter | 30 - 250 mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Other, Hydraulic Pipe, Hydraulic cylinder | |
| Technique | Cold Drawn | Certification | Other, ISO 9001 2008 | |
| Surface Treatment | Other, According to the custome's need | Special Pipe | API Pipe | |
| Alloy Or Not | Non-alloy |
Product Description
Specifications
astm a106 grade b sch40 seamless steel pipe1. ID 50-250mm
2. Max length 20 meters.
3.Technology:Cold drawn
4.High reputat
astm a106 grade b sch40 seamless steel pipe
1.Variety
Processing | Cylinder I.D | Length /mm | Straightness | Size accuracy | Inner bore roughness |
Cold-drawn | 30~250 | ≤12M | 0.3~1.0mm/m | H8-H10 | 0.8~1.6um |
Honed tube | 40~400 | ≤10M | 0.3~1.0mm/m | H7-H9 | 0.4~0.8um |
SRB | 40~400 | ≤7M | 0.3~1.0mm/m | H8 | 0.1~0.4 |
2. Material Specification and Ref. Document
ST52,BK+S,DIN2391 or Equivalent
3. Chemical Compisition (%)
| C | Mn | Si | S(Max) | P(Max) | |
| CK20 | 0.17-0.24 | 0.35-0.65 | 0.17-0.37 | 0.035 | 0.035 |
| CK45 | 0.42-0.5 | 0.5-0.8 | 0.17-0.37 | 0.035 | 0.035 |
| St52 | ≤ 0.22 | ≤ 1.6 | ≤0.55 | 0.025 | 0.025 |
| 27SiMn | 0.24-0.32 | 1.1-1.4 | 1.1-1.4 | 0.035 | 0.035 |
4. Mechanical Properties
Material | Tensile strength | Yield strength | Elongation
| Hardness |
Ck20 | 510 σ N/mm2 | 500σsN/mm2 | 5δs% | 175HB |
Ck45 | 660 σN/mm2 | 630σsN/ mm2 | 4δs% | 207HB |
ST52 | 580σ N/mm2 | 420σsN/ mm2 | 10δs% | 190HB |
27SiMn | 840σ N/mm2 | 805σsN/ mm2 | 7.5δs% | 230HB |
5. Supply Condition
Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished
6. Surface Roughness
Ra = 0.4~0.8 Micron
Process
Cold drawn/cold rolled
Annealing furnace——+SR
Straightener—— Straightening
- Straightness inspecting
- Dimension inspecting
- Sawing
- Lathe
- Honed
- Products inspecting
- Finished Products
Our Reputation
Any need or intrest, please feel free to contact us !
Contact Us
- Yantai Xinpeng Steel Pipe Co., Ltd.
- Contact nameJudy Gao Chat Now
- Phone0086-535-6835398
- Address2th,Binglun Road,APEC Technology Industrial Park,Zhifu District,Yantai City, Yantai, Shandong
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