Metline Industries (Steel Plates, Sheets and Coil Division) is a leading stockholder, supplier and exporter of stainless steel 321 coils & strips. SS 321 coils are cut to your specifications and supplied with complete set of mill test reports. We specialize in the supply of ASTM A240 321/321H stainless steel coils and strips.
Stainless Steel SS 321 / 321H |
AISI | 321 / 321H |
UNS | S32100 / S32109 |
Werkstoff Nr. | 1.4541 / 1.4878 |
Within these years, Metline has become the top supplier of SS 321 coils in India and throughout the world. Custom length and width up to 2000 mm can be made available. Exports is Our Specialty!
In addition to ss 321 coils and strips, we hold extensive stocks of stainless steel sheets and stainless steel plates. Our main materials are Stainless Steel 200 series (201), 300 series (304, 316, 321, 347) & 400 series (409, 410, 420, 430) for both hot rolled and cold rolled. Meanwhile, we have coil service center, which has advanced machines like slitter, cutting machine (slitting edge and cutting to length) and surface processing equipments for No. 4, HL, 6k, 8K (Mirror) , No.8 and color surface. We can offer all stainless steel products including stainless steel sheets, stainless steel plates and stainless steel coils with or without PVC coating and interleaving paper
Manufacturing Specification for Stainless Steel Plates Stocked & Supplied by Metline Industries
ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
The ASTM A240 specification covers chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications. The steel shall conform to the requirements as to chemical composition specified. The material shall conform to the mechanical properties specified.
Stock, Supply & Manufacturing Range for Stainless Steel Coils & Strips
Description | AISI 321/321H Stainless Steel Coils, Hot Rolled Stainless Steel Coils |
Standard | ASTM, ASME, BS, DIN, EN |
Material | 310S, 310, 309, 309S, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, 304, 304L, |
302, 301, 201, 202, 403, 405, 409, 409L, 410, 410S, 420, 430, 631, 904L, Duplex, etc |
Brand Name | Jindal Stainless, Outokumpoo, TISCO, POSCO, North American Stainless, Aperam, Thyssenkrup |
Origin | Indian Origin, European Origin, Japanese Origin, US Origin, Korea Origin, Thailand Origin, Taiwan Origin |
Technique | Hot Rolled And Cold Rolled. |
Surface | 2B, 2D, BA, NO. 1, NO. 4, NO.8, 8K, Mirror, Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching |
Thickness | 0.25-12mm |
Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm |
Length | Coils Form, or Custom Cut |
Package | Standard Export Seaworthy Package, or as required. |
Container | 20ft GP: 5898mm(length)x2352mm(width)x2393mm(high) |
Size | 40ft GP: 12032mm(length)x2352mm(width)x2393mm(High) |
| 40ft HC: 12032mm(length)x2352mm(width)x2698mm(high) |
Price Term | Ex-Work, FOB, CNF, CFR, CIF |
MTC | Mill Test Certificate, Available as per EN 10204 3.1 |
SS 321 Coils & Strips Finishes Available for Supply 24*7, as per ASTM A240M
Finish | Thickness | Characteristics of Stainless Steel Plates | Applications |
No. 1 | 3.0mm~100mm | Finished by hot-rolling, annealing and pickling, characterized by white pickled surface | Chemical industry equipment, Industrial tanks |
No. 2B | 0.3mm~6.0mm | Finished by heat treatment, pickling after cold rolling, followed by skin pass line to be more brighter and smooth surface | General Application Medical Instruments,Tableware |
No. BA (Bright Annealed) | 0.5mm~2.0mm | Bright heat treatment after cold rolling | Kitchen utensil, kitchen ware,architectural purpose |
No. 4 | 0.4mm~3.0mm | Polishing with No. 150 to No.180 mesh abrasivesThe most popular finishes | Milk & Food processing acilities, Hospital Equipment, Bath-tub |
HL(Hair Line) | 0.4mm~3.0mm | Finished by continuous linear polishing | Architectural purposes, escalators, kitchen ware vehicles |
Chemical Composition of Stainless Steel Coils & Strips – ASTM A240M 321/321H Coils & Strips
ASTM A240 321 Chemical Composition |
Grade | The Element Max (%) |
C | Mn | P | S | Si | Cr | Ni |
ASTM A240 321 | 0.08 | 2 | 0.045 | 0.03 | 0.75 | 17.0-19.0 | 9.0-12.0 |
Mo | N | Cu | Cb | Ti | | |
| 0.1 | | | | | |
ASTM A240 321H Chemical Composition |
Grade | The Element Max (%) |
C | Mn | P | S | Si | Cr | Ni |
ASTM A240 321H | 0.04-0.10 | 2 | 0.045 | 0.03 | 0.75 | 17.0-19.0 | 9.0-12.0 |
Mo | N | Cu | Cb | Ti | | |
| | | | | | |
Type | Grade | ASTM A240 Chemical Composition |
ASTM(A240M) | Others(JIS) | C | Si | Mn | P | S | Ni | Cr | Mo | Others |
Austenitic Steels | 304 | SUS304 | ≤0.07 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 8.0/10.5 | 17.5/19.5 | ― | N≤0.10 |
304H | | 0.04/0.10 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 8.0/10.5 | 18.0/20.0 | ― | |
304L | SUS304L | ≤0.030 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 8.0/12.0 | 17.5/19.5 | ― | N≤0.10 |
304N | SUS304N1 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 8.0/10.5 | 18.0/20.0 | ― | N:0.10/0.16 |
304LN | SUS304LN | ≤0.030 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 8.0/12.0 | 18.0/20.0 | ― | N:0.10/0.16 |
309S | SUS309S | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 12.0/15.0 | 22.0/24.0 | ― | |
310S | SUS310S | ≤0.08 | ≤1.50 | ≤2.00 | ≤0.045 | ≤0.030 | 19.0/22.0 | 24.0/26.0 | ― | |
316 | SUS316 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 10.0/14.0 | 16.0/18.0 | 2.00/3.00 | N≤0.10 |
316L | SUS316L | ≤0.030 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 10.0/14.0 | 16.0/18.0 | 2.00/3.00 | N≤0.10 |
316H | | 0.04/0.10 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 10.0/14.0 | 16.0/18.0 | 2.00/3.00 | |
316LN | SUS316LN | ≤0.030 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 10.0/14.0 | 16.0/18.0 | 2.00/3.00 | N:0.10/0.16 |
317L | SUS317L | ≤0.030 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 11.0/15.0 | 18.0/20.0 | 3.0/4.0 | N≤0.10 |
317LN | SUS317LN | ≤0.030 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 11.0/15.0 | 18.0/20.0 | 3.0/4.0 | N:0.10/0.22 |
321 | SUS321 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 9.0/12.0 | 17.0/19.0 | ― | N≤0.10Ti:5ʷʢC+Nʣ/0.70 |
347 | SUS347 | ≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 9.0/13.0 | 17.0/19.0 | ― | Nb:10ʷC/1.00 |
904L | SUS890L | ≤0.020 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.035 | 23.0/28.0 | 19.0/23.0 | 4.00/5.00 | N≤0.10Cu:1.0/2.0 |
S31254 | | ≤0.020 | ≤0.80 | ≤1.00 | ≤0.030 | ≤0.010 | 17.5/18.5 | 19.5/20.5 | 6.0/6.5 | N:0.18/0.25Cu:0.50/1.00 |
| SUS317J2 | ≤0.06 | ≤1.50 | ≤2.00 | ≤0.045 | ≤0.030 | 12.00/16.00 | 23.00/26.00 | 0.50/1.20 | N:0.25/0.40 |
Mechanical Properties & Hardness of Stainless Steel Coils & Strips – ASTM A240M 321/321H Coils, SS 321 Coils
Grade | ASTM A240 321/321H Mechanical Property |
|
Yield | Tensile | Elongation | Hardness, max |
ASTM A240 321H | Min Mpa | Mpa | Min % | Brinell | Rockwell B |
205 | 515 | 40% | 217 | 95 |
Type | Mechanical Properties for Stainless Steel Coils & Strips |
ASTM(A240M) | Others(JIS) | Tensile Properties | Hardness |
Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) | HBW | HRBW |
AusteniticSteels | 304 | SUS304 | ≥205 | ≥515 | ≥40 | ≤201 | ≤92 |
304H | | ≥205 | ≥515 | ≥40 | ≤201 | ≤92 |
304L | SUS304L | ≥170 | ≥485 | ≥40 | ≤201 | ≤92 |
304N | SUS304N1 | ≥240 | ≥550 | ≥30 | ≤217 | ≤95 |
304LN | SUS304LN | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
309S | SUS309S | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
310S | SUS310S | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
316 | SUS316 | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
316L | SUS316L | ≥170 | ≥485 | ≥40 | ≤217 | ≤95 |
316H | | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
316LN | SUS316LN | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
317L | SUS317L | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
317LN | SUS317LN | ≥240 | ≥550 | ≥40 | ≤217 | ≤95 |
321 | SUS321 | ≥205 | ≥515 | ≥40 | ≤217 | ≤95 |
347 | SUS347 | ≥205 | ≥515 | ≥40 | ≤201 | ≤92 |
N08904/904L | SUS890L | ≥220 | ≥490 | ≥35 | ≤196 | ≤90 |
S31254 | | ≥310 | ≥655 | ≥35 | ≤223 | ≤96 |
| SUS317J2 | ≥345 | ≥690 | ≥40 | ≤250 | ≤100 |
Equivalent Grades of Stainless Steel Coils, International Reference Grades for Stainless Steel Coils & Strips
JIS G4304 | ASTM | UNS | KS | EN10095 | AS | CNS |
SUS201 | 201 | S20100 | STS201 | 1.4372 | 201-2 | 201 |
SUS202 | 202 | S20200 | STS202 | 1.4373 | – | 202 |
SUS301 | 301 | S30100 | STS301 | 1.4319 | 301 | 301 |
SUS304 | 304 | S30400 | STS304 | 1.4301 | 304 | 304 |
SUS304L | 304L | S30403 | STS304L | 1.4306 | 304L | 304L |
SUS304N1 | 304N | S30451 | STS304N1 | 1.4315 | 304N1 | 304N1 |
SUS304N2 | XM21 | S30452 | STS304N2 | – | 304N2 | 304N2 |
SUS304LN | 304LN | S30453 | STS304LN | – | 304LN | 304LN |
SUS305 | 305 | S30500 | STS305 | 1.4303 | 305 | 305 |
SUS309S | 309S | S30908 | STS309S | 1.4833 | 309S | 309S |
SUS310S | 310S | S31008 | STS310S | 1.4845 | 310S | 310S |
SUS316 | 316 | S31600 | STS316 | 1.4401 | 316 | 316 |
SUS316Ti | 316Ti | S31635 | – | 1.4571 | 316Ti | 316Ti |
SUS316L | 316L | S31603 | STS316L | 1.4404 | 316L | 316L |
SUS316N | 316N | S31651 | STS316N | – | 316N | 316N |
SUS316LN | 316LN | S31653 | STS316LN | 1.4429 | 316LN | 316LN |
SUS316J1 | – | – | STS316J1 | – | 316J1 | 316J1 |
SUS316J1L | – | – | STS316J1L | – | – | 316J1L |
SUS317 | 317 | S31700 | STS317 | – | 317 | 317 |
SUS317L | 317L | S31703 | STS317L | 1.4438 | 317L | 317L |
SUS321 | 321 | S32100 | STS321 | 1.4541 | 321 | 321 |
SUS347 | 347 | S34700 | STS347 | 1.455 | 347 | 347 |
SUS329J1 | 329 | S32900 | STS329J1 | 1.4477 | 329J1 | 329J1 |
SUS329J3L | – | S31803 | STS329J3L | 1.4462 | 329J3L | 329J3L |
SUS405 | 405 | S40500 | STS405 | 1.4002 | 405 | 405 |
SUH409 | 409 | S40900 | STS409 | 1.4512 | 409L | 409L |
SUS410L | – | – | STS410L | – | 410L | 410L |
SUS430 | 430 | S43000 | STS430 | 1.4016 | 430 | 430 |
SUS434 | 434 | S43400 | STS434 | 1.4113 | 434 | 434 |
– | – | S43940 | – | 1.4509 | 439 | 439 |
SUS444 | 444 | S44400 | STS444 | 1.4521 | 444 | 444 |
SUS403 | 403 | S40300 | STS403 | – | 403 | 403 |
SUS410 | 410 | S41000 | STS410 | 1.4006 | 410 | 410 |
SUS420J1 | 420 | S42000 | STS420J1 | 1.4021 | 420 | 420J1 |
SUS420J2 | – | – | STS420J2 | 1.4028 | 420J2 | 420J2 |
SUS440A | 440A | S44002 | STS440A | – | 440A | 440A |
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