Industry · Railways & Rolling Stock
Built for the
Railway
Industry.
AAR specifications. Safety-critical components. Millions of operational cycles. Field failures measured in derailments, not warranties. If your components run on freight rail — Amsol understands exactly what that demands.
Active USA Railroad OEM Supply
AAR Compliant Material & Documentation
DI 65-45-12 · Alloy Steel 4140 · C1060
Riveted Assembly Capability
17
POs Delivered
Active USA OEM
Active USA OEM
Zero
Quality Rejections
3 Years
3 Years
3+
Product Lines
Active
Active
Component Mapping
Railway Components Amsol Supplies
Every component mapped to the right process, material, and specification. If your part is listed — Amsol has made it, or something directly comparable. If it isn't — share the drawing and we will assess it.
Coupler Knuckle Pivot Pin
Alloy steel · Q&T · Brinell 277–332 · Tensile 140 KSI min · AAR standard
Coupler Knuckle Lock
DI 65-45-12 · Parting lines ground flush · Markings in depressed panel
Articulated Lock Lift Assembly
3-part assembly · ½" C'sunk rivets pressed & ground flush · Sub-assembled at Amsol
Coupler Wear Plates
Manganese steel (Hadfield) or alloy steel · Multiple grades: ⅜", ½", ⅝" · 7/16" Mn
Forged Brake Shoe Key
AAR S-376 specification · Alloy steel · Heat treated · Safety-critical braking component
Centre Bowl Wear Liners
High-load engineering polymer · 16"×2" and 16"×2¼" · Horizontal liner variants
Heavy Duty Wheel Chocks
Engineering polymer · Heavy duty grade · Adjustable handle variants
Knuckle Thrower E30 / F31
Ductile iron / alloy steel · Coupler activation component · E and F series
ACTIVE SUPPLY Currently shipping to active OEM customers
LAUNCHING First order confirmed — entering serial production
PROPOSING Ready to quote — submit drawing for assessment
Why Amsol for Railways
Three Reasons Railway OEMs Choose Amsol
Not generic manufacturing claims. Three specific, evidenced reasons relevant to the railway industry specifically.
01 / 03
AAR Specification Compliance — Proven
AAR S-376 forged steel. DI 65-45-12 ductile iron. Alloy steel 4140 Q&T to Brinell 300+. AISI C1060 quench and tempered. These are not materials we propose — they are materials we have supplied and documented. Every batch verified by in-house spectrometer and hardness testing before dispatch.
✓ AAR-specified alloy steel rail locking pins supplied and certified. Zero field failures after material upgrade from carbon steel.
02 / 03
Casting + Forging + Assembly — Under One Roof
Railway components require multiple processes — ductile iron castings, alloy steel forgings, CNC-machined pins, polymer-moulded wear components, and multi-part riveted assemblies. Amsol supplies all five process types through one quality system. One PO. One delivery. One accountable partner for the entire component mix.
✓ Active supply across 3 product categories simultaneously — casting, machined pin, and riveted assembly — to the same railroad OEM customer.
03 / 03
Full Traceability + Documentation
Railway quality auditors expect heat-number traceability, spectrometer-confirmed material certs, CMM dimensional reports, and hardness test results. Amsol delivers all of these as standard on every railway component order — not as optional extras. When your quality team audits Amsol, the records are complete and ready.
✓ ISO 9001:2015 facility audit by an active USA railroad OEM — passed. Ongoing supply with full documentation on every shipment.
Active Supply Record
Read the full case study →
An Active USA Freight Railroad OEM Has Been Ordering from Amsol for 3 Consecutive Years.
They came with one component. Audited Amsol's facility. Found zero issues. Kept ordering. Three product lines later — forged and machined pins, polymer-moulded wear liners, riveted lock lift assemblies — they are now qualifying a fourth. This is what a long-term railway supply partnership looks like.
17
Purchase orders delivered
Zero
Quality rejections
3 Yrs
Continuous supply
$458K
Revenue shipped
Railway Component Production — Active Export Programme
Material Capability
Railway-Specific Material Grades
Only the grades that matter for railway applications — not a full catalogue. Every grade verified by in-house spectrometer before production begins.
Alloy Steel 4140 / EN19
AISI 4140 · Q&T
Tensile (Q&T)655–1,000 MPa
Brinell HardnessHB 197–321
Impact ToughnessHigh
Rail locking pins · coupling hardware · structural forgings requiring Q&T
Ductile Iron DI 65-45-12
ASTM A536 Gr 65-45-12
Tensile448 MPa min
Yield310 MPa min
Elongation12% min
Knuckle locks · coupler components · safety gear bodies — AAR-relevant grade
Manganese Steel (Hadfield)
12–14% Mn / ASTM A128
Work HardeningUp to HB 500+
As-cast HardnessHB 180–230
Wear ResistanceExtreme
Rail crossings · coupler wear plates · switch components — work-hardens under impact