310S Stainless Steel Round Bar | 1.4845 SUS310S 06Cr25Ni20 Hot Rolled High Temperature Resistant Round Bar

Ultra high temperature oxidation resistance up to 1100℃ continuous service
High Cr & Ni composition, excellent thermal stability
Dual production options: hot rolled black bar and cold drawn bright bar
Good high-temperature strength and creep resistance
Suitable for furnace, heat treatment and high-temperature industrial equipment

Product Overview

310S Stainless Steel Round Bar is high chromium nickel austenitic heat-resistant stainless solid round bar, equivalent grade 1.4845, SUS310S and 06Cr25Ni20. It complies with GB/T1220, ASTM A276, ASTM A484 and EN10088-3 standards. Available in hot rolled black surface bar for heavy machining and cold drawn bright & precision ground round bar for precision high-temperature components. Hot rolled diameter Φ16mm~Φ300mm, cold drawn Φ3mm~Φ120mm, tolerance up to ±0.01mm. Surface treatment options include polishing, turning and peeling, standard lengths 3m,6m,12m. It is widely used for furnace support structures, heat treatment trays, kiln parts, high-temperature pipeline components and thermal processing equipment.

Stainless Steel Round Bar

Chemical & Mechanical Property Snapshot

Item	Value
Grade	310S, Equivalent:1.4845/SUS310S/06Cr25Ni20
C (Max)	0.08
Si (Max)	1.50
Mn (Max)	2.00
P (Max)	0.045
S (Max)	0.030
Cr	24.00~26.00
Ni	19.00~22.00
Mo	—
Yield Strength (MPa, Min)	205
Tensile Strength (MPa, Min)	515
Elongation (%)	40
Hardness HB (Max)	217

Detailed Technical Specifications

Item	Specification
Product Name	316L Stainless Steel Round Bar
Material Type	316L Low Carbon Molybdenum Austenitic Stainless Steel
Shape	Solid Round Bar
Manufacturing Standards	GB/T1220, ASTM A276, ASTM A484, EN10088-3
Production Types	Hot-Rolled Black Surface Bar / Cold-Drawn Bright & Precision Ground Bar
Hot-Rolled Diameter Range	Φ16mm – Φ300mm
Cold-Drawn & Precision Ground Diameter Range	Φ3mm – Φ120mm
Precision Tolerance	Up to ±0.01mm
Standard Length	3m / 6m / 12m
Surface Treatment	Polishing, Turning, Peeling
Quality Documentation	Mill Test Certificate including heat number, chemical composition and mechanical test data
Packaging	Seaworthy export bundling to avoid scratching and deformation
MOQ	5 Ton
Payment Terms	T/T, L/C at Sight
Delivery Time	7–15 working days after receiving deposit

Dimension Specification Table

Item	Specification
Hot Rolled Black Surface Stainless Steel Round Bar Diameter	Φ16mm ~ Φ300mm
Cold Drawn & Precision Ground Bright Round Bar Diameter	Φ3mm ~ Φ120mm
Standard Available Length	3m / 6m / 12m
Custom Length	Accept customized fixed length according to client request
Dimensional Tolerance for Precision Ground Bar	Up to ±0.01mm
Surface Treatment Options	Polishing, Turning, Peeling / Skin Pass Machining

Product Comparison Table

Comparison Item	310S Stainless Steel Round Bar	304 Stainless Steel Round Bar	Carbon Steel Round Bar
Material Base	High Cr-Ni Heat Resistant Austenitic Stainless Steel	Austenitic Stainless Steel	Mild & Medium Carbon Steel
Main Advantage	Excellent high temperature oxidation resistance, stable at 1100℃	Good general corrosion resistance, cost-effective	Low cost, good mechanical strength
Typical Grades	310S (1.4845/SUS310S)	304 (1.4301/SUS304)	Q235B, Q355B, 20#,45#
Cross Section Shape	Solid cylindrical round bar	Solid cylindrical round bar	Solid cylindrical round bar
Precision Capability	Cold-drawn & ground bar tolerance up to ±0.01 mm	Cold-drawn & ground bar tolerance up to ±0.01 mm	Standard machining tolerance
Surface Options	Polished, turned, peeled, hot-rolled black finish	Polished, turned, peeled, hot-rolled black finish	Black hot-rolled, pickled, painted
Typical Applications	Furnace parts, kiln components, high-temperature thermal equipment	Food machinery, general chemical equipment, architectural fittings	Mechanical shafts, construction structural frames
Recommended Buyer	Heat treatment, furnace and high-temperature equipment manufacturers	General corrosion resistant component manufacturers	Construction & mechanical processing factories
Density	~7.98 g/cm³	~7.93 g/cm³	~7.85 g/cm³
Weldability	Good	Excellent	Excellent

App Market

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Product Packaging

Secure Export Packaging For Safe Handling And Delivery

FAQs

What are equivalent grades of 310S stainless steel round bar?

310S equivalent grades are 1.4845, SUS310S and 06Cr25Ni20.

What is the maximum working temperature of 310S round bar?

Continuous working temperature can reach up to 1100℃ with outstanding anti-oxidation performance.

What are common applications of 310S stainless round bar?

It is used for furnace supports, kiln linings, heat treatment fixtures and high-temperature industrial furnace parts.

What is MOQ for 310S stainless steel round bar?

MOQ is 5 tons.

Can 310S bar be processed into bright surface?

Yes, cold drawn bright, polished and peeled surface options are available.

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310S Stainless Steel Round Bar | 1.4845 SUS310S 06Cr25Ni20 Hot Rolled High Temperature Resistant Round Bar