Mild Steel Pipe - MS pipes
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- ASTM A 106 Seamless Pipe
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- EN 10305-1 / DIN 2391 cold draw
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- API 5L A53 / A106 Grade B, Seam
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ASTM A106 mild steel tubes
1)O.D. 12mm to 720mm
2)grade A106 ST37 and so on
|
Info.of pipes |
O.D. 1/8"to 48" |
|
W.T. sch5s to xxs |
|
|
Tolerance |
OD +1% /-1%, .thickness +12.5% / -10%. Length 2mm |
A53: Chemical components and mechanical property
|
Stan- dard |
Trade mark |
Chemical components | Mechanical property | ||||||||||
| C | Si | Mn | P,S | Cu | Ni | Mo | Cr | V |
Tensile Strength |
Yield Strength |
Elongation | ||
|
ASTM A106 |
B | ≤0.25 | / | ≤0.92 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥330 | ≥205 | ≥29.5 |
| C | ≤0.30 | / | ≤1.2 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥415 | ≥240 | ≥29.5 | |
A106: Chemical components and mechanical property
| Stan-dard | Trade mark | Chemical components | Mechanical property | ||||||||||
| C | Si | Mn | P,S | Cu | Ni | Mo | Cr | V | Tensile Strength |
Yield Strength |
Elongation | ||
|
ASTM A106 |
B | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥415 | ≥240 | ≥30 |
| C | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥485 | ≥275 |
≥30 |
|
3)certificated by ISO
Mild Steel Pipe
- 1.origin China
- 2.seamless carbon steel pipe
- 3.cold drawn/hot rolled tube
- 4.ISO9001&API 5L certified factory
- 5.size range: 1/2'' to 36inch
- 6.thickness: standard sch40/sch80
- 7.production standard: GB/T, ASTM, API, DIN
- 8.material: equivalent A106/A53 GR.B, API 5L GR.B, ST52...
- 9.length: 4-11.8m, as customer's requirement
- 10.pipe ends: plain end, beveled end
- 11.surface treatment: black paint, galvanized
The most frequently used mild steel are ASTM A-106 & A-S3. A-106 comes under both A & B grade and is used for cold or close coiling.
Mild steel contains carbon alloy of 0.16 to 0.29% and is therefore not ductile. The mild steel pipes hardness of the mild steel could be increased through carburizing in which the steel is heated below melting point in presence of another material and again by quenching, the outer surface of the carbon becomes harder maintaining a soft core.
The different variations of carbon steel pipe fittings and pipes are measured by their percentage of carbon content that has been mixed with iron. Here is a quick list of the categories:
Mild carbon steel: 0.05-0.15
Low carbon steel: 0.16-0.29
Medium carbon steel: 0.30-0.59
High carbon steel: 0.60-0.99
Ultra-high carbon steel: 1.00-2.00
