# API Pipe Properties — drill pipe data

> drill pipe data (iPhone/iPad app by zhandos uakanov.)

- Source: https://appshunter.io/ios/app/api-pipe-properties/id1044718618 (this page in markdown: same URL + `.md`)
- Developer: [zhandos uakanov](https://appshunter.io/developer/625286817)
- Category: Reference, Productivity
- Price: $1.99
- Age rating: 4+
- Requires: iOS 18.0 · 11 MB
- Languages: American English
- Released: 2015-10-13
- Data updated: 2026-09-04
- User reviews in markdown: https://appshunter.io/ios/app/api-pipe-properties/id1044718618/reviews.md

## What is API Pipe Properties?

API Pipe Properties is your compact engineering assistant for drilling operations.
Access essential specs and calculations based on API pipe grades.

Features:

  • API Pipe Grade Viewer
View pipe specs:
 - Minimum Ultimate Tensile (psi)
 - Yield Stress (psi)
 - Minimum Elongation (%)

  • Tension & Collapse Load Limits
Calculate tensile yield, collapse & burst pressure
Based on OD, wall thickness, and grade

  • Drill Collar Sag Calculator
Compute sag using Lubinski’s method
Input: weight, OD, length, inclination

  • Pipe Stretch Calculator
Estimate axial elongation under load
Input: load, pipe specs

Built for field engineers. Fast, simple, and reliable.

Have a safe hitch!


## Version history (last 5 releases)

### 1.5 — 2026-01-15

Updated calculation data;

### 1.4 — 2025-06-20

Added: Tension & Collapse Load Limits calculator

Added: Drill Collar Sag Calculator using Lubinski’s method

Added: Pipe Stretch Calculator for elongation under load

Improved: UI layout and unit handling for better accuracy

General performance and stability enhancements

### 1.3 — 2022-02-10

App was updated as per last API data;

### 1.2 — 2018-12-16

- one bug was fixed;

### 1.0 — 2015-10-08

No release notes.

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All apps by zhandos uakanov: https://appshunter.io/developer/625286817

## Related topics

[api pipe](https://appshunter.io/ios/topics/api-pipe) · [drill pipe](https://appshunter.io/ios/topics/drill-pipe)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*