A216 WCB Ball Valve
ASTM A216 WCB ball valves are for non corrosive service applications from -29ºC (-20ºF) to 425ºC (800ºF) for petrochemicals, gas, water, steam and general industrial applications.
For H2S Sour Service, Relia’s A216 WCB ball valve are fully conforming to NACE MR0175 & MR0103/ISO 15156. This is for petroleum, natural gas and geothermal production services containing small amounts of H2S.
Hot Sales:
● WCB body ball valve, carbon steel, trunnion mounted ball valve, flanged ends
● A216 WCB ball valve, ASTM A216 WCB, full bore, Class 150, 6 inch
Material Specifications
| Part Name | Body/Bonnet | Stem | Ball | Seat | Spring |
| Material | ASTM A216 WCB | A182 F6/F316 | A105+ENP/F316 | RPTFE, Nylon, Devlon, PEEK, TCC, STL etc. |
Inconel 725 |
WCB Ball Valve Test Pressure
| Test Type | Test Fluid | Test Pressure (bar) | ||
| Class 150 | Class 300 | Class 600 | ||
| Shell Test | Water | 29.4 | 76.7 | 153.2 |
| High Pressure Seat Test | Water | 21.2 | 56.2 | 112.3 |
| Low Pressure Seat Test | Air | 6 | 6 | 6 |
A216 WCB Chemical Requirements
| Material Grade | Element, %A | |||||||||
| Carbon | Manganese | Phosphorus | SulfurB | Silicon | Nickel | Chromium | Molybdenum | Copper | Vanadium | |
| WCB | 0.30 | 1.00 | 0.035 | 0.035 | 0.60 | 0.50 | 0.50 | 0.20 | 0.30 | 0.03 |
A. All values are maximums.
B. For lower maximum sulfur content, see Supplementary Requirement S52.
C. Specified Residual Elements—Except when Supplementary Requirement S50 is specified, the total content of these elements is 1.00 % maximum.
D. For each reduction of 0.01 % below the specified maximum carbon content, an increase of 0.04 % manganese above the specified maximum will be permitted up to a maximum of 1.28 % for WCB.
A216 WCB Tensile Requirements (Physical Performance)
| Material Grade | Tensile Strength Ksi [MPa] | Yield Strength, ksi [MPa] | Elongation in 2 in. [50 mm], % C | Reduction of Area, % |
| WCB | 70–95 [485–655] | 36 [250] | 22 | 35 |
Note A. All values are minimums, except where a range is provided.
Note B. Determine by either 0.2 % offset method or 0.5 % extension-under-load method.
Note C. When ICI test bars are used in tensile testing as provided for in Specification A703/A703M, the gage length to reduced section diameter ratio shall be 4 to 1.
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Valve type (ball, gate, globe, check etc.), valve size, pressure class, valve material, and end connection (flanged, butt welding etc.)
