Grade 321.
Duty first.

A specification-led grade option reviewed against the requested product form, governing standard and operating duty.

SELECTION PRINCIPLE

Send the complete material designation and project requirement. JBI will review manufacturability; service suitability remains with the buyer’s engineering authority.

PRODUCT ROUTES

Choose geometry after the grade is approved.

JBI reviews the requested grade in the context of product family, ordered standard, dimensions, finish, testing and quantity.

01Round tubes12.7 — 114.3 mm · 0.71 — 3.50 mm↗02S.S. pipes15 — 100 mm NB · SCH 5 — SCH 80↗03Square sections15 × 15 — 50 × 50 mm · 16 — 20 SWG↗04Rectangular sections13 × 26 — 50 × 100 mm · 16 — 20 SWG↗05Custom profilesNon-standard sizes · Defined by the duty↗

IMPORTANT

Grade availability does not mean every grade/product/standard/dimension combination is automatically available. JBI confirms manufacturability against the complete enquiry; service suitability remains with the buyer or project engineering authority.

READY TO SEND A REQUIREMENT?

SEND US YOUR
REQUIREMENT.

Fill in what you know. Unknown fields go to JBI engineering for review.

Build your RFQ ↗

Grade 321.Duty first.

Choose geometry after the grade is approved.

SEND US YOURREQUIREMENT.

Grade 321.
Duty first.

SEND US YOUR
REQUIREMENT.