| Application: | Boiler Pipe， Chemical Fertilizer Pipe， Structure Pipe | Type: | Spiral，Straight，Seamless |
|---|---|---|---|
| Technique: | Cold Rolled Hot Rolled，Cold Drawn | Product Name: | Factory Direct Sales Stainless Steel Pipe For Electric Heating Element，Seamless Stainless Steel Pipe/tube |
| Certification: | API， CE，ISO | Shape: | Round Pipe |
| Product Name:: | Welded Carbon Steel Pipe | Thickness: | 3 – 80 Mm |
| Outer Diameter: | 1 – 140 Inch | Usage: | Construction Structure，Building，Transportation，For Liquid Delivery，chemical Industry |
| High Light: | A53 Seamless Black Steel Pipe， A106 Seamless Black Steel Pipe， ASTM A106 black | ||
ASTM A106 Gr. B A53 GR.B Black Carbon Steel
We are one of the biggest projects pipeline products supplier in China. Our products contain steel pipe/tube，fittings， flanges. With development more than 20 years， we have accumulated a great many clients all around the world and TONG CHUANG products also won the great praise among the customers.
Our main products: Stainless/Duplex/Nickel Alloy Pipe/Tube/Fitting/Flange:
1>.A:Stainless Steel Grade: TP304/304L/304H， TP310S/310H， TP316/316L/316Ti/316H， TP317L/317LN， TP321/321H， TP347/347H， NO8904(904L)，
B:PH Stainless Steel:17-4PH(1.4542)， 17-7PH(1.4568)，15-7PH(1.4532)
C:Duplex Steel Grade: S31803(2205)， S32750(2507)， S32760， S32304， S32101， S31254(254Mo)， 235Ma， UNS NO8926， NO8367.
D:Nickel Alloy Steel Grade:Hestalloy:C-276， C-4， C-22， C-2000， X， B-2， B-3， G-30， G-35. Monel:400，401， 404， R-405， K500.
Inconel:600， 601， 617， 625， 690， 718， 740， X-750. Incoloy:800， 800H， 800HT， 825， 840.
Pure Nickel:Ni-200， Ni-201， Ni-270. NS Alloy:Ns 1101， NS1102， NS1103，NS3105.
2>.Standards: ASTM A213， A249， A269， A312， A789，A790， B163，B167， B444， B677，… and ASME，DIN， EN， JIS， BS， GOST，…
3>.Out diameter sizes range: 0.5mm~650mm. Wall thickness:0.05mm~60mm. Max. length under 26 meters/PC.
4>.Seamless & welded， Solution Pickling/Bright Annealed / Polished.
ASTM A106 seamless pressure pipe (also known as ASME SA106 pipe) is commonly used in the construction of oil and gas refineries， power plants， petrochemical plants， boilers， and ships where the piping must transport fluids and gases that exhibit higher temperatures and pressure levels.
ASTM A106 Gr. B Black Carbon Steel Chemical Composition
| Grade | Grade A | Grade B | Grade C |
| Carbon max. % | 0.25 | 0.30* | 0.35* |
| *Manganese % | 0.27 to 0.93 | *0.29 to 1.06 | *0.29 to 1.06 |
| Phosphorous， max. % | 0.035 | 0.035 | 0.035 |
| Sulfur， max. % | 0.035 | 0.035 | 0.035 |
| Silicon， min.% | 0.1 | 0.1 | 0.1 |
| Chrome， max. % | 0.4 | 0.4 | 0.4 |
| Copper， max. % | 0.4 | 0.4 | 0.4 |
| Molybdenum， max. % | 0.15 | 0.15 | 0.15 |
| Nickel， max. % | 0.4 | 0.4 | 0.4 |
| Vanadium， max.% | 0.08 | 0.08 | 0.08 |
ASTM A106 Gr. B Black Carbon Steel Mechanical Properties
| Seamless and ERW | A53 Grade A | A53 Grade B |
| Tensile Strength， min， psi | 48，000 | 60，000 |
| Yield Strength | 30，000 | 35，000 |
ASTM A106 Gr. B Black Carbon Steel Physical Properties
| Density at 20 °C | Modulus of elasticity kN/mm² at | Thermal conductivity at 20 C° | Spec. thermal capacity at 20 C° | Spec. electrical resistivity at 20 °C | |||
| Kg/dm³ | 20 C° | 300 C° | 400 C° | 450 C° | W/m K | J/kg K | Ω mm²/m |
| 7，85 | 210 | 192 | 184 | 179 | 51 | 461 | 0，20 |
Hot forming and Heat treatment
| Hot forming | Heat treatment | |||
| Temperature °C | Type of cooling | Normalizing 1) | Stress-relieving anneal 2) | Type of cooling |
| 1100 – 950 | Air | 890 – 950 °C | 600 – 650 °C | Air |
ASTM A106 Gr. B Black Carbon Steel Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
ASTM A106 Gr. B Black Carbon Steel Test Certificates
- EN 10204/3.1B，
- Raw Materials Certificate
- 100% Radiography Test Report
- Third Party Inspection Report， etc
Material Testing:
- Mechanical Testing Such as Tensile of Area
- Hardness Test
- Chemical Analysis – Spectro Analysis
- Positive Material Identification – PMI Testing
- Flattening Test
- Micro and MacroTest
- Pitting Resistance Test
- Flaring Test
- Intergranular Corrosion (IGC) Test
