astm a106 is a specification for seamless carbon steel pipe for high-temperature service. it has a maximum carbon content of 0.30% and a maximum manganese content of 1.20%, making it a low-carbon steel with good strength and toughness. this material is suitable for use in high-temperature and high-pressure applications, such as power generation, chemical processing, and petroleum refining. additionally, it has excellent corrosion resistance and can be used in outdoor environments without requiring additional protection.
products mainly used: apply to bending, curling and similar forming process.
the main products of steel / steel grade: gr.a, gr.b, gr.c.
diameter: 10.3 to 114.3 mm
thickness: 0.8 to 12 mmÂ
length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe
ASTM A53 carbon steel pipe covers seamless, welded, black, and hot-dipped galvanized pipe.
ASTM A53 GRADE A&B
This specification covers seamless and welded black and hot-dipped galvanized steel pipe in nominal size 1/8†in. To 20 in. Inclusive (3.18mm-660.4mm) with nominal (average) wall thickness .
ASTM A106 GRADES A, B & C
This specification covers seamless carbon steel pipe for high temperature service in nominal size 1/8 in. To 26 in. Inclusive (3.18mm-660.4mm)with nominal (average) wall thickness .
Grade A Â Carbon 0.25% max. Manganese 0.27 to 0.93%
Grade B Â Carbon 0.30% max. Manganese 0.29 to 1.06%
Grade C Â Carbon 0.35% max. Manganese 0.29 to 1.06%
All grades have same values for Sulphur 0.058% max. Phosphorus 0.048% max. Silicon 0.20% min.
Standard
Chemical Composition (%):
| Standard | Grade | C | Si | Mn | P | S | Ni | Cr | Cu | Mo | V |
| ASTM A53M | A | =0.25 | - | =0.95 | =0.05 | =0.045 | =0.40 | =0.40 | =0.40 | =0.15 | =0.08 |
| B | =0.30 | - | =1.2 | =0.05 | =0.045 | =0.40 | =0.40 | =0.40 | =0.15 | =0.08 |
 Mechanical Properties:
| Standard | Grade | Tensile strength  (Mpa) | Yield strength  (Mpa) | Elongation (%) | |
| ASTM A53M | A | =330 | =205 | See table 3 of ASTM A53 | |
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|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Cu |
Mo |
V |
|
ASTMA106M |
A |
=0.25 |
=0.10 |
0.27-0.93 |
=0.035 |
=0.035 |
=0.40 |
=0.40 |
=0.40 |
=0.15 |
=0.08 |
|
B |
=0.30 |
=0.10 |
0.29-1.06 |
=0.035 |
=0.035 |
=0.40 |
=0.40 |
=0.40 |
=0.15 |
=0.08 |
|
|
C |
=0.35 |
=0.10 |
0.29-1.06 |
=0.035 |
=0.035 |
=0.40 |
=0.40 |
=0.40 |
=0.15 |
=0.08 |
Mechanical Properties:
|
Standard |
Grade |
Tensile strength  (Mpa) |
Yield strength  (Mpa) |
Elongation (%) |
|
ASTM A106M |
A |
=330 |
=205 |
See table 4 of ASTM A106 |
|
B |
=415 |
=240 |
||
|
C |
=485 |
=275 |
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