astm a312 pipe
- Astm A312 Stainless Steel Pipe
Walmay Metal offers a wide range of ASTM A312 Stainless Steel Pipes, designed for high-pressure and corrosive environments. These pipes are manufactured to meet the rigorous standards of ASTM A312, ensuring exceptional quality, durability, and performance.
Tailored tubing sizes, finishes, and specifications to meet diverse industry needs.
astm a312 pipe Product Description
| Material: | Astm A312 Stainless Steel Pipe | Material: | 304, 304L, 316, 316L, 321, 347, etc. |
| Color： | Polishing,annealing,pickling, bright | Standard: | ASTM A312、ASTM A213、ASTM A269 |
| Shape: | seamless pipe, welded pipe | Round pipe/tube size | wall thickness:1mm-150mm(SCH10-XXS);Outer diameter:6mm-2500mm (3/8″-100″) |
| Technique： | Seamless /Welded | Rectangular pipe/tube | sWall thickness:1mm-150mm(SCH10-XXS);Outer diameter:6mm-2500mm (3/8″-100″) |
| Certification: | ISO, SGS，BV | Type | Round pipe, Square pipe, Rectangular pipe |
astm a312 pipe Physical Properties of Stainless Steel
| Grade | Heat treatment conditions | Internal stress (N/mm²) | Tensile strength (N/mm²) | Elongation (%) | HB | HRB | HV | Specific heat J/℃ | Elastic modulus 10³N/mm² |
|---|---|---|---|---|---|---|---|---|---|
| 301 | S | ≥205 | ≥520 | ≥40 | ≤207 | ≤95 | ≤218 | 0.50 | 194 |
| 303 | S | ≥205 | ≥520 | ≥40 | ≤187 | ≤90 | ≤200 | 0.50 | 194 |
| 304L | S | ≥175 | ≥480 | ≥40 | ≤187 | ≤90 | ≤200 | 0.50 | 194 |
| 316 | S | ≥205 | ≥520 | ≥40 | ≤187 | ≤90 | ≤200 | 0.50 | 194 |
| 316L | S | ≥175 | ≥480 | ≥40 | ≤187 | ≤90 | ≤200 | 0.50 | 193 |
| 321 | S | ≥205 | ≥520 | ≥40 | ≤187 | ≤90 | ≤200 | 0.50 | 194 |
| 409L | A | ≥175 | ≥360 | ≥25 | ≤162 | ≤80 | ≤175 | 0.45 | 200 |
| 410L | A | ≥195 | ≥360 | ≥22 | ≤183 | ≤88 | ≤200 | 0.46 | 200 |
| 430 | A | ≥205 | ≥450 | ≥22 | ≤183 | ≤88 | ≤200 | 0.46 | 200 |
| 410 | A | ≥205 | ≥440 | ≥20 | ≤201 | ≤93 | ≤210 | 0.46 | 202 |
a312 pipe Product packaging and loading
For a312 pipe packaging: Standard packing for export with waterproof protection.
Other packaging can be customized according to customer requirements.
Port:Shanghai port or Qingdao port
Quantity (Tons) | 1-5 | 6-20 | 21-100 | >100 |
Est.Time (days) | 3 | 15 | 30 | To be negotiated |
Astm A312 Stainless Steel Pipe Applications
- Chemical & Petrochemical Industry: Ideal for transporting corrosive substances and handling extreme conditions.
- Oil & Gas Industry: Used in pipelines, refineries, and offshore platforms for its durability and strength.
- Power Plants: Perfect for boiler systems and heat exchangers requiring thermal resistance.
STAINLESS pipe
a312 material physical properties and chemical composition
Chemical composition of a 312 pipe: taking 304 and 316 as examples:
| element | Fe | Cr | Ni | Mo | C | Mn | Si | P | S |
| 304 (%) | balance | 18.0 – 20.0 | 8.0 – 10.5 | – | ≤0.08 | ≤2.0 | ≤1.0 | ≤0.045 | ≤0.03 |
| 316 (%) | balance | 16.0 – 18.0 | 10.0 – 14.0 | 2.0 – 3.0 | ≤0.08 | ≤2.0 | ≤1.0 | ≤0.045 | ≤0.03 |
ASTM A312 stainless steel pipe has excellent mechanical properties, taking 304 and 316 as examples:
| Performance | 304 | 316 | Test standard |
| Tensile Strength | ≥515 MPa | ≥515 MPa | ASTM A312 |
| Yield Strength | ≥205 MPa | ≥205 MPa | ASTM A312 |
| Elongation | ≥35% | ≥35% | ASTM A312 |
| Hardness | ≤90 HRB | ≤90 HRB | ASTM E18 |
| Impact Toughness | ≥100 J | ≥100 J | ASTM A370 |
| Density | 7.93 g/cm³ | 7.98 g/cm³ | – |
Physical properties of astm a312 stainless steel pipe, taking 304 and 316 as examples:
| Performance | 304 | 316 |
| Density | 7.93 g/cm³ | 7.98 g/cm³ |
| Melting Point | 1399°C – 1427°C | 1371°C – 1399°C |
| Thermal Expansion | 17.3 μm/m·°C (20°C-100°C) | 16.5 μm/m·°C (20°C-100°C) |
| Thermal Conductivity | 16.2 W/m·K (100°C) | 16.3 W/m·K (100°C) |
| Electrical Resistivity | 0.72 μΩ·m (20°C) | 0.74 μΩ·m (20°C) |
| Magnetic Permeability | 1.02 | 1.02 |
Why Choose Walmay Metal for 321 Stainless Steel Tubing?
Walmay Metal specializes in manufacturing and supplying high-performance 321 stainless steel tubing for industries requiring reliable and durable solutions. Whether for aerospace, chemical processing, or power generation, our tubing meets the strictest quality standards and delivers consistent performance.
Contact Walmay Metal today to discuss your project needs or request a custom quote. Let us help you find the ideal 321 stainless steel tubing solution for your high-performance applications.
ISO 9001 certification
ROHS compliance
ASTM/EN standards
Stainless steel
FAQ
asme sa312 pipe refers to stainless steel pipes that meet the ASTM A312 standard, which are mainly used to manufacture seamless steel pipes and welded steel pipes.
astm a312 material is a standard developed by the American Society for Testing and Materials (ASTM), specifically for the manufacturing requirements and mechanical properties of austenitic stainless steel seamless steel pipes and welded steel pipes.
STM A312/A312M-09 is a standard specification for seamless, welded and cold-finished austenitic stainless steel pipes, published by the American Society for Testing and Materials (ASTM)
The hardness range of 316L stainless steel under ASTM A312 standard is 241 HV.
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