ASTM A-312 Stainless steel Precision pipe for 201 grade

Stainless steel pipe is one of the more standardized materials in the building and engineering industries. Stainless Steel Seamless Pipes is a hollow steel bar, a large number of pipes used for conveying fluids, such as oil, gas, water, gas, steam,heat exchanger,mechanical machine.

Specification

Standard:ASTM A-312、ASTM A-269、ASTM A-632、ASTM A-213,DIN 17458、DIN17456  JIS G3463、JIS G3459、JIS G3448

Material Grade:201/202/304/316

Outer Diameter:0.1mm–8mm

Thickness:0.05mm – 2.1mm

Length:2440mm, 3050mm, 5800mm, 6000mm, 6100mm or as customer request

Tolerance:a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 10% OR   as customer request

c) Length: +/- 10mm

Surface:Satin / Hairline :180#, 320#

Polish : 400# ,600# ,800# or  Mirror surface

Application:Processed into  railings, handrails, doors and Windows

PACKING

Plastic bag  / woven packing(please send details packing to us if you have other requirements )

Chemical composition

Element 201 202 304 316 S31803 S32750

C ≤0.15 ≤0.15 ≤0.08 ≤0.08 ≤0.030 ≤0.030

Si ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤0.80

Mn 5.5-7.5 7.5-10.0 ≤2.00 ≤2.00 ≤2.00 ≤1.20

P ≤0.060 ≤0.060 ≤0.045 ≤0.045 ≤0.030 ≤0.035

S ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.020 ≤0.020

Cr 16-18 17-19 18-20 16-18 21-23 21-23

Ni 3.5-5.5 4.0-6.0 42958 43022 4.5-6.5 6.0-8.0

Mo       2.0-3.0 2.5-3.5 3.0-5.0

N ≤0.25 ≤0.25     0.08-0.2 0.24-0.32

Cu           ≤0.50

Mechanical properties

Material Item 201 202 304 316 S31803 S32750

Tensile Strength (MPa) ≥655 ≥620 ≥515 ≥515 ≥620 ≥800

Yield Strength (MPa) ≥260 ≥310 ≥205 ≥205 ≥450 ≥550

Elongation (%) ≥35 ≥35 ≥35 ≥35 ≥25 ≥15

Hardness (HV) ≤230 ≤230 ≤200 ≤200 ≤303 ≤323

Other Requirement

Marking: material grade, standard, specification, heat no.

Surface Treatment: Bright annealed, polished outside and inside surface.

Package: knitting strip bundle, wooden box or steel box

Mill test certificate: according to EN 10204 3.2

Inspection: Third party inspection, or by clints

Company Description:

Our company has three production line of stainless steel coiled tube ,stainless steel pipe ,we have exporting experience for more than ten years ,the bending, stretching, saw cutting, stamping, polishing and so on a series of processing equipment , our stainless steel product widely used in bathroom pendant, hanger accessories, hardware, and condensation water heating equipment, hotel supplies and so on. our company sincerely hope that domestic and foreign customers to provide drawings or samples.

If you want to know more details about the stainless steel pipe/tube,please contact us.