SUS310S Stainless Steel Coil 1.4845 X12CrNi25-21 06Cr25Ni20, High Temperature Resistant Stainless Steel Strip

Outstanding high-temperature oxidation resistance up to 1100°C continuous service
High chromium and nickel content delivers superior heat & corrosion resistance
Good creep strength under long-term high temperature working conditions
Excellent weldability, no cracking risk after high-temperature welding
Stable performance in thermal cycling and harsh furnace environments

Product Overview

SUS310S, also known as 1.4845 (EN short grade), X12CrNi25-21 (EN full chemical grade), 06Cr25Ni20 (Chinese GB standard), is a premium high-temperature austenitic stainless steel coil. The high Cr and Ni composition provides exceptional resistance to oxidation and scaling at extreme temperatures. It maintains stable mechanical properties under repeated heating and cooling cycles.

Our SUS310S stainless steel coil can be customized in thickness, width and surface finish, including 2B, BA, No.1 and brushed finish. Widely used for industrial furnace components, heat treatment baskets, boiler parts, high-temperature pipelines, kiln linings and thermal processing equipment. Factory direct supply with precision slitting service, tight dimensional tolerance and full MTC inspection before shipment.

Stainless Steel Seamless Steel Pipe

Chemical & Mechanical Property Snapshot

Item	Specification
Grade	SUS310S / 1.4845 / X12CrNi25-21 / 06Cr25Ni20
Chemical Composition	C ≤0.08%, Cr:24.0–26.0%, Ni:19.0–22.0%, Si ≤1.5%, Mn ≤2.0%, P ≤0.045%, S ≤0.03%
Yield Strength (Rp0.2)	≥205 MPa
Tensile Strength (Rm)	≥520 MPa
Elongation (A)	≥40%
Hardness HV	≤215 HV

Detailed Technical Specifications

Parameter	Details
Material Grade	SUS310S, 1.4845, X12CrNi25-21, 06Cr25Ni20
Product Type	Stainless Steel Coil / Strip
Thickness Range	0.3mm – 6.0mm
Width Range	10mm – 1500mm (slitting available)
Surface Finish	2B, BA, No.1, No.4, Hairline
Edge Type	Mill Edge / Slit Edge
Coil Weight	1–25 tons per coil
Standard	ASTM A240, EN 10088, GB/T 20878
Tolerance	Thickness & width according to international standard
Certification	ISO, SGS, Mill Test Certificate (MTC)
Minimum Order Quantity(MOQ)	5 Ton
Lead Time	7–15 working days
Payment Term	T/T, L/C at sight
Package	Waterproof paper + plastic film + steel pallet

Shape Section

Item	Shape Description	Notes
Primary Shape	Round / Circular Seamless Pipe	Most common form for stainless seamless pipe; stable OD & WT dimensional control; covers all grades (304, 304L, 316, 316L, 317L, 321, 309S, 310S, 2205, 2507, 904L)
Square Seamless Tube	Hollow square seamless profile	Cold-drawn seamless, no welding seam; suitable for structural and machinery applications
Rectangular Seamless Tube	Hollow rectangular seamless profile	Cold-drawn seamless, seamless construction; custom side dimensions available
Hexagonal Seamless Tube	Hexagonal hollow seamless bar / tube	Cold-drawn seamless; used for fittings and hydraulic parts
Octagonal Seamless Tube	Octagonal hollow seamless tube	Special custom cold-drawn seamless product; suitable for low-volume applications

Dimension Section

Item	Specification Details
Product Form	Stainless Steel Seamless Steel Pipe
Outer Diameter (OD) Range	6 mm–630 mm; Common stock OD: 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 32 mm, 38 mm, 42 mm, 48 mm, 57 mm, 60 mm, 76 mm, 89 mm, 102 mm, 114 mm, 168 mm, 219 mm, 273 mm, 325 mm
Wall Thickness (WT) Range	1.0 mm–40 mm; Common stock WT: 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 3.5 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10 mm
Length	Fixed length: 3000 mm / 6000 mm / custom cut length; Random length: 4000–7000 mm
Tolerance	OD tolerance: ±0.1–±0.5 mm (depends on OD grade); Wall thickness tolerance: ±10%
End Type	Plain end / Beveled end
Surface Finish	Pickled / Bright annealed / Polished
Packaging	Wooden bundle / Wooden case

Product Comparison Table

Grade	Cr & Ni Content	Max Continuous Temp	High Temp Resistance	Typical Application
SUS310S (1.4845 / X12CrNi25-21 / 06Cr25Ni20)	24-26% Cr,19-22% Ni	1100°C	Excellent	Furnace parts, kiln, high temp pipeline
SUS309S	22-24% Cr,12-15% Ni	1000°C	Good	Heat treatment fixtures
SUS316L	16-18.5% Cr,10-14% Ni	700°C	Moderate	Chemical & marine equipment
SUS304	18% Cr,8% Ni	870°C	Fair	General kitchen & machinery

App Market

Reliable Steel Coil Solutions For Diverse Industrial Applications

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Product Packaging

Secure Export Packaging For Safe Handling And Delivery

FAQs

What is SUS310S? What is 1.4845 / X12CrNi25-21 / 06Cr25Ni20?

They refer to the same stainless steel grade under different standards. SUS310S is JIS standard; 1.4845 and X12CrNi25-21 are EN European standard; 06Cr25Ni20 is Chinese GB standard. It is high nickel-chromium austenitic stainless steel for high temperature service.

What is the main feature of SUS310S?

SUS310S has excellent high-temperature oxidation resistance, can continuously work under up to 1100°C. It is designed for high temperature furnace and thermal cycling environments.

Can SUS310S be used for molten salt environment?

SUS310S has good resistance to many high-temperature molten salts, but performance depends on salt composition and temperature. Please send us your working condition for recommendation.

What surface options can you supply for SUS310S coil?

We provide 2B, BA, No.1, No.4 hairline finish. Custom narrow strip slitting service is available.

What is your MOQ and delivery time?

MOQ is 5 tons. Normal lead time 7–15 working days based on stock status. MTC test certificate will be provided together with goods.

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SUS310S Stainless Steel Coil 1.4845 X12CrNi25-21 06Cr25Ni20, High Temperature Resistant Stainless Steel Strip