2B CDW A312 SS Steel Pipes Seamless Cold Drawn
Factory directly supply Bright 321 Stainless steel Pipe be Customized price per kg
These grades of austenitic stainless steels are the most versatile and widely used stainless steels. They exhibit excellent corrosion resistance to a wide range of corrosive environments. 321 Stainless Steel Pipes grades of stainless steel pipe exhibit good machinability and have excellent weld-ability characteristics with or without the addition of filler metals.
Standard Specification Of 321 Stainless Steel Pipe
Stockist and supplier of SA 312 TP 321 Stainless Steel Tubes in polished or bright Annealed conditions, view price list, weight and dimensions chart
| ASTM / ASME Specification | ASTM A312 / ASTM SA 312 |
| Dimensional Standards | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Different Types and Shapes | Hydraulic, Square, Hex, Honed, Round, Rectangle |
| Most Common types | 100% X Ray Welded, Seamless, CDW, Fabricated, ERW, Welded |
| Pipe End Types | Plain One End, Plain Both Ends, Bevel small end, Treaded On End, Beveled end, Bevel one end, Bevel large end, Beveled One End, Treaded Both Ends, Bevel both ends |
| Technical Conditions of The Pipe | Cold Drawn, Bright Annealed, Annealed and Pickled, Polished |
| Mechanical Surface Finishing | 2B, No.4, No.1, No.8 Mirror Finish or custom Finish as per customer Requirements |
| Wall Wall Thickness Schedule Chart | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Other Services we provide |
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| Marking available for TP321 Pipes |
Marked Pipe Sample: ANSI B36.19 ASTM A312 TP321 12" NB SCH 40S SEAMLESS HEAT NO. XXXX |
Sizes of 321H Stainless Steel Pipe
| NPS | OD | SCH 5S | SCH 10S | SCH 40S | SCH 80S |
| 1/4 | 13.72 | – | 1.65 | 2.24 | 3.02 |
| 3/8 | 17.15 | – | 1.65 | 2.31 | 3.2 |
| 1/2 | 21.34 | 1.65 | 2.11 | 2.77 | 3.73 |
| 3/4 | 26.67 | 1.65 | 2.11 | 2.87 | 3.91 |
| 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
| 1.25 | 42.16 | 1.65 | 2.77 | 3.56 | 4.85 |
| 1.5 | 48.26 | 1.65 | 2.77 | 3.68 | 5.08 |
| 2 | 60.33 | 1.65 | 2.77 | 3.91 | 5.54 |
| 2.5 | 73.03 | 2.11 | 3.05 | 5.16 | 7.01 |
| 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
| 3.5 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
| 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
| 5 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 |
| 6 | 168.28 | 2.77 | 3.4 | 7.11 | 10.97 |
| 8 | 219.08 | 2.77 | 3.76 | 8.18 | 12.7 |
| 10 | 273.05 | 3.4 | 4.19 | 9.27 | 12.7 |
| 12 | 323.85 | 3.96 | 4.57 | 9.53 | 12.7 |
| 14 | 355.6 | 3.96 | 4.78 | 9.53 | 12.7 |
| 16 | 406.4 | 4.19 | 4.78 | 9.53 | 12.7 |
| 18 | 457.2 | 4.19 | 4.78 | 9.53 | 12.7 |
| 20 | 508 | 4.78 | 5.54 | 9.53 | 12.7 |
| 22 | 558.8 | 4.78 | 5.54 | – | – |
| 24 | 609.6 | 5.54 | 6.35 | 9.53 | 12.7 |
| 26 | 660.4 | – | – | – | – |
| 28 | 711.2 | – | – | – | – |
| 30 | 762 | 6.35 | 7.92 | – | – |
321 Stainless Steel Exhaust Tubing Chemical Compatibility
Stocking distributor of 321 SS Pipe in various shape and sizes including round, square and rectangle
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Mechanical Analysis of SA 312 TP 321 Stainless Steel Tubes
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
SS 321H Seamless Pipe Equivalent Material Grade
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Why Choose Us?
1. who are we?
We are based in Shandong, China, start from 2019,sell to Domestic Market and Abroad Market. There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment;
3. what can you buy from us?
stainless steel plate,stainless steel coil,stainless steel sheet,stainless steel pipe and tube,sainless steel bar
4. why should you buy from us not from other suppliers?
Runs perennial exports of quality assured steel mills ,including Shanxi TISCO, Baosteel, Shanghai Krupp, Ningbo Baoxin, Guangzhou Lianzhong, Zhangjiagang Pohang, Qingdao Pohang, Sweden AvestaPolarit, Finland OUTKUMPU, Spain Acerinox, South Africa Columbus
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

