ASTM A554 Seamless Stainless Steel Pipe A312 A270 SS 201 309S Mirror Polished Tube
ASTM A554 A312 A270 Seamless Ss Pipe 201 304 304L 309S 316 316L Mirror Polished Square Round Welded Tube
What does ASTM A312 mean?
This specification covers seamless and straight-seam welded austenitic steel pipe intended for high-temperature and
general corrosive service.ASTM A312 is an American Standard specification which covers seamless, straight-seam welded,
and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
What is ASTM A554?
ASTM A554 Square Tube is part of the A554 specification. This specification covers pipes that require mechanical
properties, corrosion resistance and appearance characteristics. The specification can have any material grade made tubes.
What is the difference between 304 stainless steel and 316 stainless steel?
Product Description
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Name |
304 316 Stainless Steel Round Square Pipe Welded Pipe Seamless Pipe Tube with Polished |
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Standard |
ASTM A554,ASTM A312 |
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Material Grade |
201,202,304,316,316L,430 |
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Size Range |
139mm-1600mm ETC. |
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Thickness |
0.5-30mm |
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Length |
6m or as customers' request |
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a) Outer Diameter: +/- 0.2mm |
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b) Thickness: +/- 0.02mm |
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c) Length: +/- 5mm |
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Surface |
180G, 320G Satin/Hairline |
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Application |
handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc |
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Test |
Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT |
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201 |
202 |
304 |
316L |
430 |
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C |
≤0.15 |
≤0.15 |
≤0.08 |
≤0.035 |
≤0.12 |
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Si |
≤1.00 |
≤1.00 |
≤1.00 |
≤1.00 |
≤1.00 |
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Mn |
5.5-7.5 |
7.5-10 |
≤2.00 |
≤2.00 |
≤1.00 |
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P |
≤0.06 |
≤0.06 |
≤0.045 |
≤0.045 |
≤0.040 |
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S |
≤0.03 |
≤0.03 |
≤0.030 |
≤0.030 |
≤0.030 |
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Cr |
13-15 |
14-17 |
18-20 |
16-18 |
16-18 |
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Ni |
0.7-1.1 |
3.5-4.5 |
8-10.5 |
10-14 |
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Mo |
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2.0-3.0 |
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Material Item |
201 |
202 |
304 |
316 |
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Tensile Strength |
≥535 |
≥520 |
≥520 |
≥520 |
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Yield Strength |
≥245 |
≥205 |
≥205 |
≥205 |
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Extension |
≥30% |
≥30% |
≥35% |
≥35% |
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Hardness (HV) |
<105 |
<100 |
<90 |
<90 |
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Product display
Application
Shipping:
2. Goods delivered by 20" , 40" FCL/LCL by quantity or customer's request.
3. Customers specifying freight forwarders or negotiable shipping methods!
4. Delivery Time: 10-30days after conformed or according to quantity.
FAQ
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