86-512-56382786
No 296,Mid of Jiyang Road,Yangshe Town,Zhangjiagang City,Jiangsu Province
Nominal Diameter(mm) | Outside Diameter(mm) | Nominal Wall Thickness (mm) | ||||||||||||
N.B | NPS | SCH5S | SCH10S | SCH40S | ||||||||||
8 | 1/4″ | 13.72 | 1.65 | 2.24 | ||||||||||
10 | 3/8″ | 17.15 | 1.65 | 2.31 | ||||||||||
15 | 1/2″ | 21.34 | 1.65 | 2.11 | 2.77 | |||||||||
20 | 3/4″ | 26.67 | 1.65 | 2.11 | 2.87 | |||||||||
25 | 1″ | 33.4 | 1.65 | 2.77 | 3.38 | |||||||||
32 | 1-1/4″ | 42.16 | 1.65 | 2.77 | 3.56 | |||||||||
40 | 1-1/2″ | 48.26 | 1.65 | 2.77 | 3.68 | |||||||||
50 | 2″ | 60.33 | 1.65 | 2.77 | 3.91 | |||||||||
65 | 2-1/2″ | 73.03 | 2.11 | 3.05 | 5.16 | |||||||||
80 | 3″ | 88.9 | 2.11 | 3.05 | 5.49 | |||||||||
90 | 3-1/2″ | 101.6 | 2.11 | 3.05 | 5.74 | |||||||||
100 | 4″ | 114.3 | 2.11 | 3.05 | 6.02 | |||||||||
125 | 5″ | 141.3 | 2.77 | 3.4 | 6.55 | |||||||||
150 | 6″ | 168.28 | 2.77 | 3.4 | 7.11 | |||||||||
200 | 8″ | 219.08 | 2.77 | 3.76 | 8.18 | |||||||||
Tolerance : | ||||||||||||||
Standard | GB151 ASTM JIS DIN | |||||||||||||
OD | I | II | ||||||||||||
<Ø25---≥Ø50 | ±0.18 | ±0.30 | ||||||||||||
≥Ø25---≤Ø89 | ±0.30 | ±0.45 | ||||||||||||
≥Ø89---≤Ø129 | ±0.51 | ±0.80 | ||||||||||||
Thickness | All specifications±0.5% | |||||||||||||
Length | All specifications±6 | |||||||||||||
Straightness | All specifications≤2/1000 | |||||||||||||
Grade and Main chemical composition% | ||||||||||||||
C | Si | Mn | P≤ | S≤ | Cr | Mo | Ni | Other | ||||||
201 | ≤0.15 | ≤1.00 | 5.5-7.5 | 0.06 | 0.03 | 16-18 | - | 3.5-5.5 | N≤0.25 | |||||
202 | ≤0.15 | ≤1.00 | 7.5-10.0 | 0.06 | 0.03 | 17-19 | - | 4.0-6.0 | N≤0.25 | |||||
301 | ≤0.15 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 16-18 | - | 6.0-8.0 | - | |||||
302 | ≤0.15 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 17-19 | - | 8-10.0 | - | |||||
303 | ≤0.15 | ≤1.00 | ≤2.00 | 0.2 | ≥0.015 | 17-19 | ≤0.6 | 8.0-10.0 | - | |||||
304 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | - | 8-10.5 | - | |||||
304L | ≤0.03 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | - | 9-13 | - | |||||
305 | ≤0.12 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 17-19 | - | 10.5-13 | - | |||||
309S | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 22-24 | - | 12-15 | - | |||||
310S | ≤0.08 | ≤1.5 | ≤2.00 | 0.045 | 0.03 | 24-26 | - | 19-22 | - | |||||
316 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 16-18 | 2-3 | 10-14 | - | |||||
316L | ≤0.03 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 16-18 | 2-3 | 12-15 | - | |||||
317 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | 3-4 | 11-15 | - | |||||
317L | ≤0.03 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | 3-4 | 11-15 | - | |||||
321 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 17-19 | - | 9-13 | Ti≥5×C | |||||
405 | ≤0.08 | ≤1.00 | ≤1.00 | 0.04 | 0.03 | 11.5-14.5 | - | ≤0.6 | AL0.1-0.3 | |||||
420F | 0.26-0.4 | ≤1.00 | ≤1.25 | 0.06 | ≥0.15 | 12-14 | ≤0.6 | ≤0.6 | - | |||||
430 | ≤0.12 | ≤0.75 | ≤1.00 | 0.04 | 0.03 | 16-18 | - | ≤0.6 |