AISI 4145H (oilfield) equivalents, chemistry & properties.
AISI 4145H (oilfield) is a alloy engineering steel used for mostly used for oil and gas drill collars, subs, stabilisers and heavy-duty shafts. Below are its equivalent designations in nine standards, chemical composition, mechanical properties and density.
AISI 4145H (oilfield) equivalent grades
- USA (ASTM / AISI / SAE)
- AISI / SAE 4145H
- UNS
- H41450
- Europe (EN)
- 42CrMo4 (nearest, higher C)
- Werkstoff No. (W.Nr)
- 1.7225 (nearest)
Key data
- Family
- Alloy engineering steel
- Density
- 7.85 g/cm³
- Typical mechanical
- Q&T about 285–341 HB; TS about 965 MPa
- Typical uses
- Mostly used for oil and gas drill collars, subs, stabilisers and heavy-duty shafts
- Weight
- Calculate weight in AISI 4145H (oilfield)
AISI 4145H (oilfield) chemical composition (weight %)
AISI / SAE 4145H
| C | Si | Mn | P | S | Cr | Mo | Cu |
|---|---|---|---|---|---|---|---|
| 0.42–0.49 | 0.15–0.35 | 0.65–1.10 | ≤0.035 | ≤0.040 | 0.75–1.2 | 0.15–0.25 | ≤0.35 |
Grades similar to AISI 4145H (oilfield)
Frequently asked questions
What is the equivalent of AISI 4145H (oilfield)?
AISI 4145H (oilfield) equivalents: USA (ASTM / AISI / SAE) AISI / SAE 4145H; UNS H41450; Europe (EN) 42CrMo4 (nearest, higher C); Werkstoff No. (W.Nr) 1.7225 (nearest). Equivalents are close but not always identical; check the standard on your order.
What is the chemical composition of AISI 4145H (oilfield)?
AISI 4145H (oilfield) (AISI / SAE 4145H): C 0.42–0.49, Si 0.15–0.35, Mn 0.65–1.10, P ≤0.035, S ≤0.040, Cr 0.75–1.2, Mo 0.15–0.25, Cu ≤0.35 (weight %).
What is the density of AISI 4145H (oilfield)?
About 7.85 g/cm³ (7,850 kg/m³), the value used for weight calculations.
Need AISI 4145H (oilfield)?
Steel Impex India, Mumbai, supplies AISI 4145H (oilfield) in pipes, plates, sheets, bars and fittings as available, with mill test certificates. Send the grade, standard, size and quantity.