NB/T 47010 — Stainless and heat-resisting steel forgings for pressure equipment
NB/T 47010 covers stainless steel forgings for pressure equipment, such as S30408, S30403, S31608, S31603, S32168 and S22053 — the Chinese counterpart of ASTM A182 stainless and duplex grades.
NB/T 47010 at a glance
| Standard | NB/T 47010 |
|---|---|
| Issued by | China (NEA) |
| Product form | Forgings |
| Grades on this site | 9 |
NB/T 47010 grades and their ASTM equivalents
| NB/T designation | Nearest ASTM / ASME grades | UNS | W.Nr |
|---|---|---|---|
| S30408 (06Cr19Ni10) | ASTM A182 F304, ASTM A312 TP304, ASTM A403 WP304, ASTM A193 B8 Cl.1, ASTM A194 8 | S30400 | 1.4301 |
| S30403 (022Cr19Ni10) | ASTM A182 F304L, ASTM A312 TP304L, ASTM A403 WP304L | S30403 | 1.4307 / 1.4306 |
| S31608 (06Cr17Ni12Mo2) | ASTM A182 F316, ASTM A312 TP316, ASTM A403 WP316, ASTM A193 B8M Cl.1, ASTM A194 8M | S31600 | 1.4401 |
| S31603 (022Cr17Ni12Mo2) | ASTM A182 F316L, ASTM A312 TP316L, ASTM A403 WP316L | S31603 | 1.4404 |
| S31668 (06Cr17Ni12Mo2Ti) | ASTM A182 F316Ti | S31635 | 1.4571 |
| S32168 (06Cr18Ni11Ti) | ASTM A182 F321, ASTM A312 TP321, ASTM A403 WP321 | S32100 | 1.4541 |
| S34778 (06Cr18Ni11Nb) | ASTM A182 F347, ASTM A312 TP347, ASTM A403 WP347 | S34700 | 1.4550 |
| S31008 (06Cr25Ni20) | ASTM A182 F310, ASTM A312 TP310S, ASTM A403 WP310S | S31000 | 1.4845 |
| S22253 / S22053 (022Cr22Ni5Mo3N / 022Cr23Ni5Mo3N) | ASTM A182 F51, ASTM A182 F60 (Duplex 2205), ASTM A815 WPS31803, ASTM A815 WPS32205, ASTM A790 UNS S31803, ASTM A790 UNS S32205 | S31803 | 1.4462 |
Equivalents are the nearest commonly cited grades. Chemistry, mechanical properties and testing differ between standards — compare them before substituting one for another.
FAQ
NB/T 47010: common questions
What is the ASTM equivalent of NB/T 47010 S30408?
The nearest ASTM grades are ASTM A182 F304, ASTM A312 TP304, ASTM A403 WP304, ASTM A193 B8 Cl.1.
Does Teshi Group supply material to NB/T 47010?
Teshi Group manufactures flanges, fittings, fasteners and valves, and supplies pipes and plates, to ASTM / ASME specifications and to equivalent EN, JIS, GB and IS standards on request, with EN 10204 3.1 certificates. Send your requirement to info@teshigroup.com.
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