Standard: ASTM A249, ASTM A268, ASTM A269, ASTM A312, etc.
Material: 321,347,etc.
Specification:
Outer diameter: 1.0-1220mm (1/8”-48”)
Wall thickness: 0.1-150mm (SCH 5S- XXS)
Length: 3m, 5.8m, 6m, 11.8m, or as request.
Surface: Pickled, annealed, polished, bright, sand blast, hair line, etc.
Typical applications include:
• Aircraft exhaust manifolds
• Expansion joints
• Bellows
• Furnace parts
• Heating element tubing
• Heat Exchangers
• Woven or welded screens for high temperature mineral processing
• Spiral Welded tube for burner pipes and flues
Grade |
| C | Mn | Si | P | S | Cr | Mo | Ni | N | Other |
---|---|---|---|---|---|---|---|---|---|---|---|
321 | min. | - | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 | - | 9.0 | 0.10 | Ti=5(C+N) |
321H | min. | 0.04 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 | - | 9.0 | - | Ti=4(C+N) |
347 | min. | 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 | - | 9.0 | - | Nb=10(C+N) |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Hardness | |
---|---|---|---|---|---|
Rockwell B (HR B) max | Brinell (HB) max | ||||
321 | 515 | 205 | 40 | 95 | 217 |
321H | 515 | 205 | 40 | 95 | 217 |
347 | 515 | 205 | 40 | 92 | 201 |
Gauge | N. O. D. | O. D. RANGE | N. WALL | N. I. D. | I. D. RANGE | ||
---|---|---|---|---|---|---|---|
inches | mm | inches | inches | inches | mm | inches | |
12 RW | 0.109 | 2.77 | 0.1080-0.1100 | 0.0120 | 0.085 | 2.16 | 0.0830-0.0870 |
12 RW | 0.109 | 2.77 | 0.1080-0.1100 | 0.0090 | 0.091 | 2.31 | 0.0890-0.0930 |
13 RW | 0.095 | 2.41 | 0.0940-0.0960 | 0.0120 | 0.071 | 1.80 | 0.0690-0.0730 |
13 RW | 0.095 | 2.41 | 0.0940-0.0960 | 0.0090 | 0.077 | 1.96 | 0.0750-0.0790 |
14 RW | 0.083 | 2.11 | 0.0820-0.0840 | 0.0100 | 0.063 | 1.60 | 0.0610-0.0650 |
14 RW | 0.083 | 2.11 | 0.0820-0.0840 | 0.0080 | 0.067 | 1.71 | 0.0660-0.0685 |
15 RW | 0.072 | 1.83 | 0.0715-0.0725 | 0.0090 | 0.054 | 1.37 | 0.0525-0.0555 |
15 RW | 0.072 | 1.83 | 0.0715-0.0725 | 0.0060 | 0.061 | 1.54 | 0.0595-0.0615 |
16 RW | 0.065 | 1.65 | 0.0645-0.0655 | 0.0090 | 0.047 | 1.19 | 0.0455-0.0485 |
16 RW | 0.065 | 1.65 | 0.0645-0.0655 | 0.0060 | 0.054 | 1.36 | 0.0525-0.0545 |
17 RW | 0.053 | 1.47 | 0.0575-0.0585 | 0.0080 | 0.042 | 1.07 | 0.0405-0.0435 |
17 RW | 0.053 | 1.47 | 0.0575-0.0585 | 0.0050 | 0.048 | 1.21 | 0.0465-0.0485 |
18 RW | 0.050 | 1.27 | 0.0495-0.0505 | 0.0085 | 0.033 | 0.84 | 0.0315-0.0345 |
18 RW | 0.050 | 1.27 | 0.0495-0.0505 | 0.0060 | 0.039 | 0.98 | 0.0375-0.0395 |
19 RW | 0.042 | 1.07 | 0.0415-0.0425 | 0.0075 | 0.027 | 0.69 | 0.0255-0.0285 |
19 RW | 0.042 | 1.07 | 0.0415-0.0425 | 0.0050 | 0.033 | 0.83 | 0.0315-0.0335 |
20 RW | 0.036 | 0.91 | 0.0355-0.0360 | 0.0060 | 0.024 | 0.60 | 0.0230-0.0245 |
20 RW | 0.036 | 0.91 | 0.0355-0.0360 | 0.0050 | 0.026 | 0.67 | 0.0255-0.0270 |
21 RW | 0.032 | 0.82 | 0.0320-0.0325 | 0.0060 | 0.020 | 0.51 | 0.0195-0.0210 |
21 RW | 0.032 | 0.82 | 0.0320-0.0325 | 0.0045 | 0.023 | 0.59 | 0.0225-0.0240 |
22 RW | 0.028 | 0.72 | 0.0280-0.0285 | 0.0060 | 0.016 | 0.41 | 0.0155-0.0170 |
22 RW | 0.028 | 0.72 | 0.0280-0.0285 | 0.0040 | 0.020 | 0.50 | 0.0190-0.0205 |
23 RW | 0.025 | 0.64 | 0.0250-0.0255 | 0.0060 | 0.013 | 0.34 | 0.0125-0.0140 |
23 RW | 0.025 | 0.64 | 0.0250-0.0255 | 0.0040 | 0.017 | 0.44 | 0.0165-0.0180 |
24 RW | 0.022 | 0.57 | 0.0220-0.0225 | 0.0050 | 0.012 | 0.31 | 0.0115-0.0130 |
24 RW | 0.022 | 0.57 | 0.0220-0.0225 | 0.0040 | 0.015 | 0.37 | 0.0135-0.0155 |
25 RW | 0.020 | 0.51 | 0.0200-0.0205 | 0.0050 | 0.010 | 0.26 | 0.0095-0.0110 |
25 RW | 0.020 | 0.51 | 0.0200-0.0205 | 0.0040 | 0.012 | 0.31 | 0.0115-0.0130 |
26 RW | 0.018 | 0.46 | 0.0180-0.0185 | 0.0040 | 0.010 | 0.26 | 0.0095-0.0110 |
27 RW | 0.016 | 0.41 | 0.0160-0.0165 | 0.0040 | 0.008 | 0.21 | 0.0075-0.0090 |
28 RW | 0.014 | 0.36 | 0.0140-0.0145 | 0.0035 | 0.007 | 0.18 | 0.0065-0.0080 |
Product Photos: