Material Grades
We mainly produce the Carbon and Alloy Wrought steel Butt Welding Fittings, Nickel Alloy BW Fittings, Stainless steel BW Fittings.
Here are the material grade of the Wrought steel Butt Welding Fittings that we can supply for you.
Hastelloy Alloy Chemical Composition
Grade | UNS | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | Fe | Co≤ |
B2 | N10665 | 0.02 | 1.0 | 0.04 | 0.03 | 0.10 | - | 1.0max | 26.0-30.0 | 2.0max | 1.0 |
B3 | N10675 | 0.01 | 3.0 | 0.03 | 0.01 | 0.10 | 65.0min | 1.0-3.0 | 27.0-32.0 | 1.0-3.0 | 3.0 |
X | N06002 | 0.05-0.15 | 1.0 | 0.04 | 0.03 | 1.0 | - | 20.5-23.0 | 8.0-10.0 | 17.0-20.0 | 0.5-2.5 |
C22 | N06022 | 0.015 | 0.5 | 0.02 | 0.02 | 0.08 | - | 20.0-22.5 | 12.5-14.5 | 3.0-6.0 | 2.5 |
C2000 | N06200 | 0.01 | 0.5 | 0.025 | 0.01 | 0.08 | - | 22.0-24.0 | 15.0-17.0 | 3.0max | 2.0 |
C276 | N10276 | 0.01 | 1.0 | 0.04 | 0.03 | 0.08 | - | 14.5-16.5 | 15.0-17.0 | 4.0-7.0 | 2.5 |
Inconel Alloy Chemical Composition
Grade | C≤ | Mn≤ | Si≤ | S≤ | Cu≤ | Fe | Ni | Cr |
Inconel 600 | 0.15 | 1.0 | 0.5 | 0.015 | 0.5 | 6.0-10.0 | 72.0min | 14.0-17.0 |
Inconel 601 | 0.10 | 1.0 | 0.5 | 0.015 | 1.0 | Bal | 58.0-63.0 | 21.0-25.0 |
Inconel 625 | 0.10 | 0.50 | 0.5 | 0.015 | - | 5.0max | 58.0 min | 20.0-23.0 |
Inconel 718 | 0.08 | 0.35 | 0.5 | 0.015 | 0.30 | - | 50.0-55.0 | 17.0-21.0 |
Incoloy Alloy Chemical Composition
Grade | C≤ | Mn≤ | Si≤ | S≤ | Cu≤ | Fe(min) | Ni | Cr | Al | Ti |
Incoloy 800 | 0.1 | 1.5 | 1 | 0.015 | 0.75 | 39.5 | 30.0-35.0 | 19.0-23.0 | 0.15-0.60 | 0.15-0.60 |
Incoloy 800H | 0.05-0.10 | 1.5 | 1 | 0.015 | 0.75 | 39.5 | 30.0-35.0 | 19.0-23.0 | 0.15-0.60 | 0.15-0.60 |
Incoloy 800HT | 0.06-0.10 | 1.5 | 1 | 0.015 | 0.75 | 39.5 | 30.0-35.0 | 19.0-23.0 | 0.85-1.20 | 0.25-0.60 |
Incoloy 825 | 0.05 | 1 | 0.5 | 0.03 | 1.5-3.0 | 22 | 38.0~46.0 | 19.5~23.5 | 0.2 | 0.6-1.2 |
Incoloy 926 | 0.02 | 2 | 0.5 | 0.01 | 0.5-1.5 | bal | 24.0-26.0 | 19.0-21.0 | - | - |
Monel Alloy Chemical Composition
Grade | C≤ | Mn≤ | Si | S≤ | Cu | Fe≤ | Ni |
Monel 400 | 0.3 | 2 | 0.5 | 0.024 | 28.0-34.0 | 2.5 | 63 |
Monel k500 | 0.25 | 1.5 | 0.5 | 0.01 | 27.0-33.0 | 0.5-2 | 63 |








1. who are we?
We are based in Beijing, China, start from 2015,sell to Eastern Europe(30.00%),Southern Europe(25.00%),Western Europe(20.00%),Mid East(10.00%),South America(5.00%),Northern Europe(5.00%),Africa(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Flange adaptor&Coupling,Gate Valve,Dismantling joint,Tapping Saddles,Ductile iron fittins
4. why should you buy from us not from other suppliers?
AQUA FITTING is founded in 2001, having become one of the leading manufacturer of couplings , flange adaptors , gate valve and pipe repair clamp for portable water ,waste water , and gas application . Our rich experiences will offer you quranteed quality
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese