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Philips Metal Industries is a leading stockholder, suppliers and manufacturers of Stainless Steel 321H pipes and tubes, These SS 321H Pipes & tp321H seamless stainless steel tube suppliers are available in both seamless and welded form in OD and NB sizes. In addition to standard sizes, which are available in stock. We have our specialization into manufacturing and supply custom size 321H cold drawn seamless tubes from our factory. Stainless Steel 321H pipes and tubes can be offered in random lengths of up to 6meters long or cut to a specific length as required.
Unlike 321HL, Type 321H has a higher carbon content making the steel more suitable for use in applications where elevated temperatures are present. It is an austenitic chromium-nickel steel alloy and the greater carbon content delivers an increased tensile and yield strength.
The material is recommended for use in ASME pressure vessels in working service above 525 0C due to the grade’s heat resistant properties.
Benefits of using 321H Stainless Steel Seamless Pipe
Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
Size | Seamless 321H Pipes and Tubes - 1/2" NB - 16" NB |
ERW 321H Pipes and Tubes | 1/2" NB - 24" NB |
EFW 321H Pipes and Tubes | 6" NB - 100" NB |
Wall Thickness | Schedule 5S - Schedule XXS. |
Dimensions | ASTM, ASME and API |
Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
Length | Single Random, Double Random & Cut Length. |
Form | Round, Square, Rectangular, Hydraulic Etc. |
STANDARD | WERKSTOFF NR. | UNS | GOST | BS | JIS | AFNOR | EN |
SS 321H | 1.4878 | S32109 | - | - | - | - | - |
Chemical Composition of 321H Stainless Steel Pipe & Tubes
Grade | Ni | N | C | S | Mn | Si | P | Cr | TI | |
321H | Min | 9.00 | - | 0.04 | - | - | - | - | 17.0 | 4(C+N) |
max | 12.00 | 0.10 | 0.08 | 0.030 | 2.00 | 0.75 | 0.045 | 19.0 | 0.70 max |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
321H | 515 | 205 | 40% | 95 | 217 |
Stainless Steel TP 321H Seamless Pipes | A312 SS 321H Rectangular Seamless Pipes |
ASTM A213 Stainless Steel Welded Pipes | TP 321H Stainless Steel ERW Tubes |
A249 SS TP 321H Welded Tubes Suppliers | UNS S321H00 Coiled Seamless Tubing |
ASTM A358 321H Stainless Steel ERW Pipes | SS TP 321H Heat Ex-changer Tubes |
Stainless Steel TP 321H Seamless Tubing | DIN 1.4301 Round Tubing Exporter |
ASTM A213 TP 321H Welded Tubing | TP 321H SS LSAW Pipes Dealers |
SS ASME SA 249 TP 321H Welded Tubes | Stainless Steel 321H U Shaped Tubing |
SS Square Seamless Pipes | TP 321H Stainless Steel Hydraulic Tubes |
321H SS Electric Fusion Welding Pipes | A213 SS 321H Electric Resistance Welding Pipes |
ASTM A213 321H Seamless Tubing | ASTM A213 321H Stainless Steel Rectangular Tubes |
SS 321H Austenitic Stainless Steel Pipes & Tubes | ASTM A213 Stainless Steel TP 321H Capillary Tube |
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