Stainless Steel E330H AW-15

E330H AW-15 is typically used for high-temperature furnace components, radiant tubes and heat-treatment fixtures. In short: creep-strength E330 variant; only 15 % elongation; 1100 °C service.

E330H AW-15 has a typical yield strength of 415 MPa (60.2 ksi) and a tensile strength of 590 MPa (85.6 ksi) — stronger than 62% of stainless steel grades. Strength varies by condition: see the 4 listed tempers.

Not especially — machinability is rated poor (22/100, worse than 95% of stainless steel grades). Deposit machines poorly — use rigid setups, low speed, heavy positive-rake carbide and generous coolant; grinding is often preferred over cutting on carbide-rich weld beads.

Yes — weldability is rated good (60/100). Use stringer beads, low heat input, interpass temperature below ~150 °C on new work (or 300–500 °C preheat on heavily carburized castings), clean/grind carburized surfaces first, and re-dry electrodes to avoid porosity and hot cracking.

Grind and blend beads, pickle/passivate or wire-brush with stainless tooling; no anodizing, and plating is rarely used since parts run in high-temperature service.

Not a formable product form; the deposit is high-carbon fully austenitic weld metal and should not be cold-bent.

E330H AW-15 is rated for continuous use to about 1,100°C (2,012 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.

AW is the default condition — standard supply/qualification condition: deposit used directly in the as-welded state for furnace and heat-resistant casting repair. SERV: reference condition for assessing repair of parts already in high-temperature service: carbide precipitation raises strength/hardness and cuts room-temperature ductility. Yield strength is 420 MPa in AW versus 470 MPa in SERV.