Stainless Steel Reinforcement Bar Testing

Stainless Steel Reinforcement Bar Testing
(IS 16651 — Stainless Steel Rebar)

Mechanical testing of stainless steel reinforcement bars — verifying tensile strength, yield strength, elongation and bend test per IS 16651 for marine, chemical plant and aggressive environment concrete structures.

Overview

What is the Stainless Steel Reinforcement Bar Testing?

Stainless Steel Reinforcement Bars provide inherent corrosion resistance without coatings — used in marine bridges, coastal structures, chemical plants and tunnels where conventional steel would suffer rapid chloride-induced corrosion. Grades 1.4301 (304) and 1.4401 (316) are commonly specified in structural concrete.

At Global Lab, stainless steel rebar testing per IS 16651 and ASTM A955 covers 0.2% proof stress (yield strength), ultimate tensile strength, percentage elongation at break, bend test and rebend test — confirming mechanical compliance for structural design per IS 456 for stainless steel reinforced concrete.

IS 16651 Compliance

All mandatory mechanical tests per IS 16651 for stainless steel rebar.

0.2% Proof Stress

Yield strength from stress-strain curve 0.2% offset method.

Bend & Rebend Test

Ductility verified by 90° bend and rebend without cracking.

Full Stress-Strain Curve

Complete load-extension diagram plotted for each test specimen.

NABL Certified Reports

All results on NABL-accredited letterhead per IS 16651.

Grade Verification

304 vs 316 grade mechanical property confirmation.

Test in Action

Stainless Steel Reinforcement Bar Testing — Site Images

Stainless Steel Rebar in UTM with Extensometer

0.2% Proof Stress from Stress-Strain Curve

Bend Test at Specified Mandrel Diameter

Test Procedure

How the Stainless Steel Reinforcement Bar Testing is Conducted

1

Sample Preparation

Stainless steel rebar cut to gauge length per IS 1608. Surface cleaned of mill scale.
2

Tensile Test Setup

Sample gripped in NABL-calibrated UTM. Extensometer attached for accurate strain.
3

Tensile Test

Load applied at standard rate. 0.2% proof stress, UTS and elongation recorded.
4

Bend & Rebend Test

Bend at specified mandrel diameter per IS 16651. Rebend test per IS 16651.
5

IS 16651 Compliance Report

All results vs IS 16651 grade requirements. NABL certificate issued within 3 days.

Standards & Specifications

Applicable Test Standards

Standard	Title	Scope	Type
IS 16651	Stainless Steel Bars for Concrete Reinforcement — Specification	Stainless Rebar	Indian Standard
ASTM A955	Standard Specification for Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement	Stainless Rebar	ASTM
BS 6744	Stainless Steel Bars — Reinforcement of Concrete	UK Standard	British Standard
IS 1608	Method for Tensile Testing of Steel Products	Tensile Test	Indian Standard

Applications

Where is the CAPO Test Used?

Marine bridge deck reinforcement in severe chloride exposure zones

Coastal retaining wall and seawall stainless steel rebar acceptance

Chemical plant floor and wall RCC reinforcement in corrosive environment

Tunnel lining stainless steel rebar for long-service-life metro projects

Desalination plant and water treatment facility stainless rebar verification

Premium residential stainless steel rebar specification for 100-year design life

Why Choose Global Lab

Our Advantages

NABL Accredited ReportsLegally valid IS 16651 certificates for all structural and statutory requirements.

Grade Verification304 (1.4301) and 316 (1.4401) grade distinction confirmed mechanically.

Corrosion-Resistant Rebar ExpertiseExperienced in stainless, FRP and epoxy coated rebar testing.

Fast 3-Day ReportComplete IS 16651 test suite within 3 working days.

Pan-India CoverageMetal testing at all 7 NABL-accredited lab locations.

Combined Rebar PackageStainless + Epoxy coated + Standard rebar testing offered together.

Stainless Steel Reinforcement Bar Testing(IS 16651 — Stainless Steel Rebar)