High-Quality Carbon Steel Pipe Nipples for Industrial Use
Cangzhou Hongxin manufactures precision-engineered carbon steel pipe nipples with superior durability and threading accuracy. Our products meet ASTM A53/A106 standards, ensuring reliable performance in high-pressure oil, gas, water, and steam systems.
Key Features
High-Grade Carbon Steel – Exceptional strength & corrosion resistance
Precision NPT Threading – Leak-proof, secure connections
Full Size Range – 1/8″ to 4″ NPT (custom sizes available)
SCH 40 & SCH 80 Options – For different pressure requirements
Competitive OEM/ODM Service – Custom lengths, coatings, and markings
Cangzhou Hongxin Pipe Nipple Dimension Chart (Standard ASME B36.10)
NPT SIZE | O.D(mm) | Sch40 wall thickness (inch) |
Sch40 wall thickness (mm) |
Sch80 wall thickness (inch) |
Sch80 wall thickness (mm) |
1/8 | 10.3 | 0.068 | 1.73 | 0.095 | 2.41 |
1/4 | 13.7 | 0.068 | 1.73 | 0.095 | 2.41 |
3/8 | 17.1 | 0.068 | 1.73 | 0.095 | 2.41 |
1/2 | 21.3 | 0.083 | 2.11 | 0.109 | 2.77 |
3/4 | 26.7 | 0.083 | 2.11 | 0.113 | 2.87 |
1 | 33.4 | 0.109 | 2.77 | 0.133 | 3.38 |
1 1/4 | 42.2 | 0.109 | 2.77 | 0.14 | 3.56 |
1 1/2 | 48.3 | 0.109 | 2.77 | 0.145 | 3.68 |
2 | 60.3 | 0.109 | 2.77 | 0.154 | 3.91 |
2 1/2 | 73 | 0.12 | 3.05 | 0.164 | 4.17 |
3 | 88.9 | 0.12 | 3.05 | 0.179 | 4.55 |
3 1/2 | 101.6 | 0.12 | 3.05 | 0.203 | 5.16 |
4 | 114.3 | 0.12 | 3.05 | 0.216 | 5.49 |
5 | 141.3 | 0.134 | 3.4 | 0.25 | 6.35 |
6 | 168.3 | 0.134 | 3.4 | 0.28 | 7.11 |
8 | 219.1 | 0.165 | 4.19 | 0.32 | 8.13 |
10 | 273 | 0.18 | 4.57 | 0.375 | 9.53 |
Why Choose Cangzhou Hongxin?
20+ Years of Manufacturing Expertise – Trusted global supplier
Strict QC Process – Hydrostatic testing, dimensional checks, threading inspection
Export Experience – Regularly ship to USA, Europe, Middle East, and Southeast Asia
Factory Direct Pricing – No middlemen, better value
Applications
Oil & Gas Pipelines
Fire Protection Systems
Power Plant Piping
Water Treatment Infrastructure
Industrial Machinery