Good Quality Hot Rolled ASTM A106 Seamless Steel Tube

• After-sales Service: Technical/Sample/Quality
• Type: Seamless/Welded
• Technique: Hot-Rolled/Cold-Drawn
• Material: Carbon/Alloy/Stainless
• Surface Treatment: Black&Varnish Coating&3lpe&PE
• Usage: Boiler Pipe
• Model NO.: A106
• Section Shape: Round
• Transport Package: as Required
• Specification: 10-850mm
• Trademark: SHUNFU
• Origin: China
• HS Code: 7304193000
• Production Capacity: 30000tons/Year

Product Description

ASTM A106 Seamless Carbon Steel Pipe for High-Temperature Service

seamless carbon steel pipe for high-temperature service in NPS 1 ⁄ 8 to NPS 48 [DN 6 to DN 1200] (Note 2) inclusive, with nominal (average) wall thickness. It shall be permissible to furnish pipe having other dimensions provided such pipe complies with all other requirements of this specification. Pipe ordered under this specification shall be suitable for bending, flanging, and similar forming operations, and for welding. When the steel is to be welded, it is presupposed that a welding procedure suitable to the grade of steel and intended use or service will be utilized.
 

ASTM A106 Pipe Process

The steel shall be killed steel, with the primary melting process being open-hearth, basic-oxygen, or electric-furnace, possibly combined with separate degassing or refining. If secondary melting, using electroslag remelting or vacuum-arc remelting is subsequently employed, the heat shall be defined as all of the ingots remelted from a single primary heat.  For pipe NPS 1 1 ⁄ 2 [DN 40] and under, it shall be permissible to furnish hot finished or cold drawn. Unless otherwise specified, pipe NPS 2 [DN 50] and over shall be furnished hot finished. When agreed upon between the manufacturer and the purchaser, it is permissible
to furnish cold-drawn pipe.
 

ASTM A106 Pipe Chemical Composition

                         Grade A   Grade B       Grade C
Carbon, max     0.25          0.30             0.35
Manganese       0.27-0.93 0.29-1.06     0.29-1.06
Phosphorus, max 0.035     0.035           0.035
Sulfur, max       0.035        0.035           0.035
Silicon, min       0.10         0.10             0.10
Chrome, max    0.40         0.40             0.40
Copper, max     0.40         0.40             0.40
Molybdenum, max  0.15   0.15             0.15
Nickel, max      0.40         0.40             0.40
Vanadium, max  0.08       0.08             0.08
 

ASTM A106 Pipe Finish and Appearance

The pipe manufacturer shall explore a sufficient number of visual surface imperfections to provide reasonable assurance that they have been properly evaluated with respect to depth.  Surface imperfections that penetrate more than 12 1 ⁄ 2 % of the nominal wall thickness or encroach on the minimum wall thickness shall be considered defects. Mechanical marks and abrasions-such as cable marks, dinges, guide marks, roll marks, ball scratches, scores, and die marks-and pits, any of which imperfections are
deeper than 1 ⁄ 16 in. [1.6 mm].
 

ASTM A106 Pipe Nipples

Nipples shall be cut from pipe of the same dimensions and quality described in this specification.
 

ASTM A106 Pipe Test and Inspection

Transverse Tension Test
Flattening Tests
Hydrostatic Test
Nondestructive Electric Test
Flattening Test
Metal Structure and Etching Test
Internal Cleanliness
 

ASTM A106 Pipe Certification

When test reports are requested, in addition to the requirements of Specification A 530/A 530M, the producer or supplier shall furnish to the purchaser a chemical analysis report for the elements specified
 

ASTM A106 Pipe Ordering Information

1 Quantity (feet, meters, or number of lengths),
2 Name of material (seamless carbon steel pipe),
3 Grade
4 Manufacture (hot-finished or cold-drawn),
5 Size (NPS [DN] and weight class or schedule number, or both; outside diameter and nominal wall thickness; or inside diameter and nominal wall thickness),
6 Special outside diameter tolerance pipe
7 Inside diameter tolerance pipe, over 10 in. [250 mm] ID (16.2.3),
8 Length (specific or random),
9 Optional requirements
10 Test report required (Section on Certification of Specification A 530/A 530M),
11 Specification designation (A 106 or A 106M, including year-date),
12 End use of material,
13 Hydrostatic test in accordance with Specification A 530/A 530M or 13.3 of this specification, or NDE in accordance with Section 14 of this specification.
14 Special requirements.