Quality & Approvals — Stancor Bright Bars
Stancor Bright Bars works to documented quality systems, with every order released against approved specifications and supporting documentation.
Approvals and certifications
EN 10277
Bright Steel Products — Technical Delivery
The specification bright bar is actually bought against: chemistry, mechanical properties, surface condition and permissible decarburisation for free cutting, carbon, case hardening and alloy bright steel.
EN 10278
Dimensions & Tolerances of Bright Steel
The tolerance classes that define the product — h8, h9, h10 and h11 by diameter band, with straightness and out-of-round limits for each finishing route.
EN 10204 3.1
Mill Test Certificate
Chemistry, mechanical results and heat number on every release, traceable to the melt. 3.2 with third-party endorsement on request.
BS 970 Part 3
Bright Bars for Engineering
The British standard behind the EN designations still quoted on most Indian drawings — EN1A, EN8, EN19, EN24, EN31 and EN36 trace to this specification.
EN 10083-2 / -3
Steels for Quenching & Tempering
Hardenability and tempered property requirements for the carbon and alloy grades, including Jominy end-quench bands where the customer specifies them.
EN 10084
Case Hardening Steels
Chemistry and core property requirements for 16MnCr5, 20MnCr5, 8620 and EN353, with Jominy hardenability bands for gear production.
EN ISO 683-17
Ball & Roller Bearing Steels
EN31 / 100Cr6 bar supplied against bearing steel requirements, including macro and micro cleanliness, carbide network and carbide segregation ratings.
ISO 9001:2015
Quality Management System
Source mills and finishing lines operate certified ISO 9001:2015 quality systems, audited against the chemistry, tolerance and surface condition we specify on each order.
Testing and inspection scope
- Chemical analysis & PMI (positive material identification)
- Tensile & Yield Strength (ISO 6892-1 / ASTM A370)
- Brinell & Rockwell Hardness (ISO 6506-1 / ISO 6508-1)
- Jominy End Quench Hardenability (ISO 642)
- Decarburisation Depth (ISO 3887)
- Micro & Macro Cleanliness (ASTM E45 / DIN 50602)
- Carbide Network & Segregation on bearing steel (EN ISO 683-17)
- Grain Size (ASTM E112)
- Diameter & Ovality to EN 10278 h8-h11
- Straightness in mm/m & Surface Roughness (Ra)
Documentation with every order
Mill test certificates accompany every despatch. Contact Stancor Bright Bars for the full documentation list.