Steel Bridge
Knowledge Center

Engineering intelligence for stainless procurement.

A grade selector, a technical library, and a blog written by metallurgists and procurement leaders — free for the Indian OEM community.

Grade Selector

Pick the right stainless for your application.

Filter by environment, process and budget. Then request a live quote against India-wide inventory.

Filters
Environment
Welded assembly
Budget
7 of 7 grades match.
Austenitic (Cr-Mn)

SS 201

Budget alternative to 304 in dry, non-chloride environments.

Corrosion resistance2/5
Formability3/5
Weldability3/5
Sinks (budget) Utensils
Austenitic (18-8)

SS 304

₹₹

The default OEM workhorse for indoor and mildly corrosive service.

Corrosion resistance4/5
Formability5/5
Weldability5/5
Kitchen sinks Appliance panels Elevator cabins
Austenitic (low-C)

SS 304L

₹₹

Low carbon variant — resists intergranular corrosion after welding.

Corrosion resistance4/5
Formability5/5
Weldability5/5
Welded assemblies Chemical tanks
Austenitic (Mo)

SS 316

₹₹₹

Molybdenum for chloride/pitting resistance.

Corrosion resistance5/5
Formability4/5
Weldability5/5
Marine trim Pharma Coastal appliances
Austenitic (Mo, low-C)

SS 316L

₹₹₹₹

Highest-spec austenitic for welded, wet, aggressive service.

Corrosion resistance5/5
Formability4/5
Weldability5/5
Pharma vessels Food-grade welded
Ferritic

SS 409

Cost-effective ferritic — thermal cycling in exhaust systems.

Corrosion resistance3/5
Formability3/5
Weldability3/5
Automotive exhausts Brackets
Ferritic

SS 430

Magnetic, decorative BA finish popular in appliances.

Corrosion resistance3/5
Formability3/5
Weldability2/5
Appliance trim Decorative panels
Technical Library

Field-tested guides.

Practical playbooks distilled from thousands of RFQs and shop-floor hours.

Design · 8 min

Grade selection guide for OEM designers

Read guide
Quality · 6 min

Reading a Mill Test Certificate (MTC)

Read guide
Processing · 10 min

Laser vs plasma vs waterjet for stainless

Read guide
Corrosion · 5 min

Preventing tea-staining on coastal installations

Read guide
Cost · 7 min

Nesting and yield optimization playbook

Read guide
Finish · 4 min

PVC coating: when to specify and when to skip

Read guide
Blog

From the Steel Bridge desk.

Weekly notes on procurement, metallurgy and the state of Indian stainless.

12 Jul 2026

Why 68% of OEM RFQ delays start at the drawing

We analyzed 4,200 RFQs on Steel Bridge in Q2. Missing tolerance callouts and grade ambiguity account for two-thirds of first-week delays.

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28 Jun 2026

Nickel volatility is here to stay — 3 hedging patterns for OEMs

From index-linked contracts to 90-day coverage bands, three approaches Indian OEMs are using to stabilize BOM cost.

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10 Jun 2026

The case for downgrading from 316 to 316L in welded pharma

Sensitization, IGC and why the L variant almost always pays back on multi-pass welded assemblies.

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