Quality & Approvals — Stancor Forgings
Forging quality at Stancor Forgings: reduction ratio and grain flow control, heat treatment to specified properties, ultrasonic testing to ASTM A388, magnetic particle and PMI, with EN 10204 3.1 or 3.2 certification traceable to the heat.
Approvals and certifications
ASTM A788
General Requirements for Steel Forgings
The umbrella specification behind every forging order: melting practice, discard, reduction ratio, heat treatment, testing and marking.
ASTM A388
Ultrasonic Examination of Heavy Forgings
How a forging is scanned and what counts as a reportable indication — the acceptance class is agreed at order, not after the scan.
ASTM A182 / A350
Alloy, Stainless & Low Temperature Forgings
Piping component forgings: chemistry, heat treatment condition, mechanical and impact testing by grade class.
EN 10250
Open Die Steel Forgings
European general engineering forging standard covering grades, delivery condition, dimensional allowance and inspection.
NACE MR0175 / ISO 15156
Sour Service Materials
Hardness and heat treatment limits for H2S-bearing service — the reason a sour service forging is capped at 22 HRC rather than hardened further.
EN 10204 3.1 / 3.2
Inspection Certificate
3.1 is certified by our own independent inspection department; 3.2 adds the customer's or a third-party agency's countersignature.
Testing and inspection scope
- Chemical composition by optical emission spectrometry on the heat and the product
- Tensile, yield, elongation and reduction of area from a test prolongation
- Charpy V-notch impact testing at the specified temperature
- Hardness survey across the section, capped for sour service where NACE applies
- Ultrasonic testing to ASTM A388 against the acceptance class agreed at order
- Magnetic particle or dye penetrant inspection of machined surfaces
- Macro etch and grain flow verification on first articles where specified
- EN 10204 3.1 or 3.2 certificate traceable to the heat number
Standards referenced
- ASTM A266 / A266M — ASTM International · Carbon steel forgings for pressure vessel components
- ASTM A182 / A350 — ASTM International · Alloy, stainless and low temperature forgings
- ASTM A388 — ASTM International · Ultrasonic examination of heavy steel forgings
- EN 10250 — CEN · Open die steel forgings for general engineering
- NACE MR0175 / ISO 15156 — NACE · Materials for H2S-containing service
- EN 10204 3.1 / 3.2 — CEN · Types of inspection document for metallic products
- ISO 9001:2015 — International Organization for Standardization
Documentation with every order
Mill test certificates accompany every despatch. Contact Stancor Forgings for the full documentation list.