TH172493B - Rolled steel material for fracturing spitting rods - Google Patents
Rolled steel material for fracturing spitting rodsInfo
- Publication number
- TH172493B TH172493B TH1701002005A TH1701002005A TH172493B TH 172493 B TH172493 B TH 172493B TH 1701002005 A TH1701002005 A TH 1701002005A TH 1701002005 A TH1701002005 A TH 1701002005A TH 172493 B TH172493 B TH 172493B
- Authority
- TH
- Thailand
- Prior art keywords
- steel material
- rolled steel
- rods
- spitting
- fracturing
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract 6
- 239000000463 material Substances 0.000 title claims abstract 6
- 239000010959 steel Substances 0.000 title claims abstract 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
Abstract
วัสดุเหล็กกล้าที่รีดแล้วสำหรับก้านสูบแฟรคเจอร์สพลิททิงตามรูปลักษณะนี้ซึ่งประกอบด้วย, ใน % โดยมวล, C 0.30 ถึง 0.40%, Si: 0.60 ถึง 1.00%, Mn: 0.50 ถึง 1.00%, P: 0.04 ถึง 0.07%, S: 0.04 ถึง 0.13%, Cr: 0.10 ถึง 0.30%, V: 0.05 ถึง 0.14%, Ti: มากกว่า 0.15% ถึง 0.20% หรือ น้อยกว่า, N: 0.002 ถึง 0.020%, และที่ใช้ในบางครั้งอาจมี Cu, Ni, Mo, Pb, Te, Ca, และ Bi, ด้วยการ ดุลส่วนที่เหลือเป็น Fe และสารเจือปน fnl, ที่นิยามโดยสูตร (1), มีช่วงจาก 0.65 ถึง 0.80 สัมพัทธ์กับ ปริมาณ V ที่มีอยู่ในวัสดุเหล็กกล้านั้น, ปริมาณ V ที่มีอยู่ในตะกอนหยาบที่มีขนาดอนุภาคเป็น 200 นาโนเมตรหรือมากกว่าเป็น 70% หรือน้อยกว่า, และสัมพัทธ์กับปริมาณ Ti ที่มีอยู่ในวัสดุ เหล็กกล้านั้น, ปริมาณ Ti ที่มีอยู่ในตะกอนหยาบเป็น 50% หรือมากกว่า fnl = C + Si/10 + Mn/5 + 5Cr/22 + (Cu + Ni)/20 + Mo/2 + 33V/20 - 5S/7 (1): Rolled steel material for the fracture splitting rods in this manner consisting of, in% by mass, C 0.30 to 0.40%, Si: 0.60 to 1.00%, Mn: 0.50 to 1.00%, P. : 0.04 to 0.07%, S: 0.04 to 0.13%, Cr: 0.10 to 0.30%, V: 0.05 to 0.14%, Ti: greater than 0.15% to 0.20% or less, N: 0.002 to 0.020%, and used in Sometimes Cu, Ni, Mo, Pb, Te, Ca, and Bi may be present, with residual Fe and fnl balances, defined by formula (1), range from 0.65 to 0.80 relative to V. In the steel material, the V content in the coarse sludge with a particle size of 200 nm or more is 70% or less, and is relative to the Ti content present in the material. That steel, the Ti content present in the coarse sediment is 50% or more.fnl = C + Si / 10 + Mn / 5 + 5Cr / 22 + (Cu + Ni) / 20 + Mo / 2 + 33V / 20 - 5S /. 7 (1):
Claims (1)
Publications (3)
| Publication Number | Publication Date |
|---|---|
| TH172493B true TH172493B (en) | 2018-01-25 |
| TH172493A TH172493A (en) | 2018-01-25 |
| TH1701002005B TH1701002005B (en) | 2018-01-25 |
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