ASTM A312 Seamless Austenitic Stainless Steel Pipes
Stainless steel seamless pipe can resist high temperatures for cleanliness and maintain the purity of materials which contact stainless steel directly. Stainless steel pipe and tubing are used in chemical plants, aviation fields, marine equipment, cryogenic transportation, medical and architectural industries. – Chemical plants – Aviation fields –
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Product Description
Stainless steel seamless pipe can resist high temperatures for cleanliness and maintain the purity of materials which contact stainless steel directly. Stainless steel pipe and tubing are used in chemical plants, aviation fields, marine equipment, cryogenic transportation, medical and architectural industries
– Chemical plants
– Aviation fields
– Marine equipment
– Cryogenic transportation
– Medical & architectural industries
Seamless stainless steel pipe specification and size
| Standard | Dimension | Steel Grade |
| ASTM A312 | OD: 1/4″-20″ WT: SCH5S-SCH80S | TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H, S31254, 904L |
| ASTM A213 | OD: 6.0-50.8mm WT: 0.8-10.0mm | TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H, S31254, 904L |
| ASTM A269 | OD: 6.0-50.8mm WT: 0.8-10.0mm | TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H, S31254 |
| ASTM A789 | OD: 19.0-60.5mm WT: 1.2-5.0mm | S31803, S32205, S32750,S32760 |
| ASTM A790 | OD: 3/4″-10″ WT: SCH5S-SCH80S | S31803, S32205, S32750,S32760 |
| EN 10216 DIN 17456 DIN 17458 | OD: 6.0-530.0mm WT: 0.8-34.0mm | 1.4301, 1.4307, 1.4541, 1.4401, 1.4404, 1.4571, 1.4878, 1.4432, 1.4462 |
Product Parameters
| Product Name | 201/304/304L/309S/316/316L/410/904 Stainless steel pipe | |
| Type | Seamless Steel Pipe | |
| Outer diameter | CircleTube | 4mm-200mm |
| square tube | 10*10mm-100*100mm | |
| rectangular tube | 10*20mm-50*100mm | |
| Wall thickness | 0.6mm-6.0mm | |
| Length | 1-6 meters, length can be customized | |
| Standard | ASTM / AISI / JIS / GB / DIN / EN | |
| Surface | Black, bright polished, rough turning, matt surface treatment,NO. 4. BA, etc. | |
| Scope of application | Common applications for stainless steel pipes include food processing, textile operations, breweries, water treatment plants, oil and gas processing, fertilizers and pesticides,chemical applications, Construction, pharmaceuticals, auto parts, etc. | |
chemical composition
| C | Si | Mn | Cr | Ni | S | P | Mo | Ti |
| ≤ 0.08 | ≤1.0 | ≤ 2.0 | 16.0～18.0 | 10.0～14.0 | ≤ 0.03 | ≤ 0.045 | 2.0～3.0 | 0.5～0.7 |
| Product Name | Executive Standard | Dimension | Steel Code / Steel Grade |
| Seamless Austenitic Stainless Steel Pipes | ASTM A312/A312M, ASME SA312/SA312M | OD: 6.0~914.0mm WT: 0.5~88mm | TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H |
| Seamless Austenitic Stainless Steel Tubing for General Service | ASTM A269, ASME SA269 | OD: 6.0~50.8mm WT: 0.8~10.0mm | TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H |
| Seamless Austenitic Alloy-Steel Boiler, Super Heater and Heat-Exchanger Tubes | ASTM A213/A213M, ASME SA213/SA213M | OD: 6.0~50.8mm WT: 0.8~10.0mm | TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H |
| Seamless Duplex Stainless Steel Tubing for General Service | ASTM A789 / A789M | OD: 19.0~60.5mm WT: 1.2~5.0mm | S31803, S32205, S32750 |
| Seamless Duplex Stainless Steel Pipes | ASTM A790 / A790M | OD: 3/4″~10″ WT: SCH5S~SCH80S | S31803, S32205, S32750 |
| Seamless Stainless Steel Mechanical Tubing | ASTM A511 | OD: 6.0~50.8mm WT: 1.8~10.0mm | MT304, MT304L, MT304H, MT310, MT310S, MT316, MT316L, MT317, MT317L, MT321, MT321H, MT347 |
| Seamless Stainless Steel Tubes for Pressure Purposes | EN 10216, DIN 17456, 17458 | OD: 6.0~914.0mm WT: 0.5~88mm | 1.4301, 1.4307, 1.4541, 1.4401, 1.4404, 1.4571, 1.4878, 1.4432, 1.4462 |
Mechanical properties
| Tensile Strength Kb (MPa) | Yield strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
| ≥515 | ≥205 | ≥ 40 | ≤ 187HB;≤ 90HRB;≤ 200HV |
Physical Performance
| Density(g/cm³) | modulus of elasticity(Gpa) | Coefficient of thermal expansion(10-6/°C) | coefficient of thermal conductivity(W/m*K) | Resistivity(ΜΩ. cm) |
| 7.99 | 193 | 16.0 | 16.2 | 74 |