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| Brand Name: | Jinxi Pipe |
| Model Number: | Alloy Steel Pipe |
| MOQ: | 1 |
| Price: | 1500 USD/TON |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability: | 100000 |
ASTM A519 1018 Seamless Steel Pipe Seamless Carbon Mechanical Tubing
Description
ASTM A519 Grade 1018 is a low-carbon, seamless mechanical steel tubing known for excellent machinability, weldability, ductility, and toughness, made from steel with ~0.18% carbon, often cold-drawn for precise tolerances and a smooth finish, used widely in automotive parts, hydraulics, and general fabrication needing strength and formability. It's essentially SAE 1018 steel in a seamless tube form, providing a strong, versatile base for components like shafts, rollers, and pins.
| American Standard | Standard Name |
| A519/A519M | Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing |
ASTM A519 1018 Seamless Steel Pipe Chemical Composition
Sources American Standard A519 / A519M TABLE 2 Chemical Requirements of Other Carbon Steels
| Grade Designation | Chemical Composition Limits, % | |||
| Carbon | Manganese | Phosphorus, max | Sulfur, max | |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.04 | 0.05 |
ASTM A519 1018 Seamless Steel Pipe Outside Diameter Tolerances
Sources American Standard A519 / A519M TABLE 6 Outside Diameter Tolerances for Round Hot-Finished Tubing A,B,C
| Outside Diameter | Outside Diameter ToleranceInch (mm) | |
| Size Range | ||
| Inch (mm) | Over | Under |
| Up to 2.999 (76.17) | 0.020 (0.51) | 0.020 (0.51) |
| 3.000-4.499 (76.20-114.27) | 0.025 (0.64) | 0.025 (0.64) |
| 4.500-5.999 (114.30-152.37) | 0.031 (0.79) | 0.031 (0.79) |
| 6.000-7.499 (152.40-190.47) | 0.037 (0.94) | 0.037 (0.94) |
| 7.500-8.999 (190.50-228.57) | 0.045 (1.14) | 0.045 (1.14) |
| 9.000-10.750 (228.60-273.05) | 0.050 (1.27) | 0.050 (1.27) |
| a Diameter tolerances are not applicable to normalized and tempered or quenched and tempered conditions. | ||
| b The common range sizes of hot finished tubes is 1-1/2 inch (38.1 mm) to 10-1/4 inch (273.0 mm) outside diameter with wall thickness at least 3 percent or more of outside diameter, but not less than 0.095 inch (2.41 mm). | ||
| c Larger sizes are available: consult manufacturer for sizes and tolerances. | ||
ASTM A519 1018 Seamless Steel Pipe Thickness Tolerances
Sources American Standard A519 / A519M TABLE 7 Wall Thickness Tolerances for Round Hot-Finished Tubing
| Wall Thickness Tolerance, a | Wall Thickness Range, | |
| Percent Over and Under Nominal | As Percent of Outside Diameter | |
| Outside Diameter | Under 15 | 15 and Over |
| Size Range In. (mm) | ||
| Up to 2.999 (76.19) | 12.5 | 10 |
| 3.000-5.999 (76.20-152.37) | 10 | 7.5 |
| 6.000-10.750 (152.40-273.05) | 10 | 10 |
| 10.750 and larger | ±12-1/2% | ±12-1/2% |
| a Wall thickness tolerances may not be applicable to walls 0.199 inch (5.05 mm) and less: consult manufacturer for wall tolerances on such tube sizes. | ||
ASTM A519 1018 Seamless Steel Pipe Manufacturing Proces
ASTM A519 1018 Seamless Steel Pipe Application
ASTM A519 1018 Seamless Steel Pipe Packing & Loading
a. 1/2"-2"Plain end with black oil paint, caps both ends, bundles with loading belt.
b. 2"-4"Beveled end with black oil paint, caps both ends, bundles with loading belt.
c. 10"-20"Beveled end with black oil paint, caps both ends, loose packed in to container.
→Seamless Steel Pipes is transported in containers