Alloy Steel Seamless Pipes & Tubes
Product Applications
Chemical Composition & Mechanical Properties-ASTM
| Specification | Type | Grade | Chemical Composition (%) | Mechanical Properties | Hydrostatic Test Pressure | Hardness (max.) | ||||||||||||||||||
| C | Mn | P | S | Si | Cr | Mo | Cu | Ni | V | Yield Strength | Tensile Strength |
% Elongation (G.L. 50 mm WT 8 mm) e (min.) |
||||||||||||
| Min | Max. | Min | Max. | Max | Max | Min. | Max | Min. | Max | Min. | Max | Max | Max | Max | Min. | Min. | ||||||||
| PSI | MPa | PSI | MPa | |||||||||||||||||||||
| ASTM | S | T-5 | - | 0.15 | 0.3 | 0.6 | 0.025 | 0.025 | - | 0.5 | 4 | 6 | 0.45 | 0.65 | - | - | - | 30,000 | 205 | 60,000 | 415 | 30 | 85 HRB (Max.) | |
| A213 | T-11 | 0.05 | 0.15 | 0.3 | 0.6 | 0.025 | 0.025 | 0.5 | 1 | 1 | 1.5 | 0.44 | 0.65 | - | - | - | 30,000 | 205 | 60,000 | 415 | 30 |
(P=32,000 t/D(inch)-pound unit p=220.6 t/D)SI unit) |
163 HB / 170 HV (Max.)
85 HRB (Max.) 163 HB / 170 HV (Max.) |
|
| T-22 | 0.05 | 0.15 | 0.3 | 0.6 | 0.025 | 0.025 | - | 0.5 | 1.9 | 2.6 | 0.87 | 1.13 | - | - | - | 30,000 | 205 | 60,000 | 415 | 30 |
85 HRB (Max.)
163 HB / 170 HV (Max.) |
|||
| ASTM | S | P-5 | - | 0.15 | 0.30 | 0.60 | 0.025 | 0.03 | - | 0.5 | 4 | 6 | 0.45 | 0.65 | - | - | - | 30,000 | 205 | 60,000 | 415 | 30 | P = 2 S t/D | |
| A335 | P-11 | 0.05 | 0.2 | 0.30 | 0.60 | 0.025 | 0.03 | 0.5 | 1.0 | 1.0 | 1.50 | 0.44 | 0.65 | - | - | - | 30,000 | 205 | 60,000 | 415 | 30 | S = 60% of SMYS | ||
| P-22 | 0.05 | 0.2 | 0.30 | 0.60 | 0.025 | 0.03 | - | 0.5 | 1.9 | 2.6 | 0.87 | 1.13 | - | - | - | 30,000 | 205 | 60,000 | 415 | 30 | ||||
- P - Hydrostatic Test Pressure (Bar); D - Specified Outside Diameter (mm);
- T - Specified Wall Thickness (mm) A - Cross Sectional Area (inch / mm);
- U - Specified Tensile Strength (PSI / MPa) E : ERW (Electric Resistance Welded) ; S - Seamless; SMYS - Specified Min. yield Strength
Tolerance on Outside Diameter, Wall Thickess, Weight & Length of Pipe SPEC. TYPE OUTSIDE DIAMETER WALL THICKNESS
| SPEC. | TYPE | OUTSIDE DIAMETER | WALL THICKNESS | WEIGHT | LENGTH | ||||||||
| PIPE BODY | PIPE ENDS (PLAIN END) | Nominal | AVG(min) | Minimum | Maximum | ||||||||
| ft. | Mtr | ft. | Mtr | ft. | Mtr | ft. | Mtr | ||||||
| ASTM | Hot Finished Seamless Tubes | N.A | HFS Tubes | HFS : + 16%, -0 | Exact Length Tolkerance : | ||||||||
| A-213 | S | 1" (25.4mm ) to 1-1/2" (38.1mm) Incl. : ± 0.15 mm | N.A. | Welded Tubes (for all sizes) :+ 18%, -0 | Welded : +10%, - 0 | Welded & C.F.S Tubes : | |||||||
| ASTM | S | 1/8" to 1-1/2" : ± 0.40 mm, | N.A | At any point : - 12.5% (max.) | Single pipe NPS 12 & under : + 10%, - 3.5% | Specified Length : + 6 mm, - 0 | |||||||
| A-335 |
> 1-1/2" to 4" : ± 0.79 mm > 4" to 8" incl. : +1.59 mm, - 0.79 mm 8" to 12" : + 2.38 mm, - 0.79 mm Over 12" : ± 1.0% of OD |
||||||||||||