Customization: | Available |
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Type: | Stainless Steel Pipes |
Standard: | ASTM, AISI, GB, JIS, DIN, EN |
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pipe Standard | GB12770,GB12771,ASTM A249,ASTM A269,ASTMA270,ASTMA312,ASTMA554,JIS G 3463,GOST 9941-81 | |||||
Material Grade | 304,316,201,202,321,347,316L,430,etc. | |||||
Main Material | a) 201 (Ni0.8%-1%) | |||||
b) 202 (Ni: 3.5%-4.5%) | ||||||
c) 304 (Ni: 8% Cr: 18%) | ||||||
d) 316 (Ni: 10% Cr: 18%) | ||||||
Thickness | 0.5-60mm | |||||
Length | 15x15,18x18,20x20,23.5x23.5 or as customers' request | |||||
Tolerance | a)Outer Diameter; +/-0.2mm | |||||
b)Thickness; +/-0.03mm | ||||||
c)Length;+/-5mm | ||||||
Surface | 180G, 320G, 400G Satin / Hairline | |||||
400G, 500G, 600G or 800G Mirror finish | ||||||
Application | petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant steamless steel pipe used. | |||||
Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
Chemical Composition of Material | Composition | 201 | 202 | 304 | 316 | 430 |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.12 | |
Si | ≤1,00 | ≤1,00 | ≤1,00 | ≤1.00 | ≤1.00 | |
Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
Cr | 12.5-14.5 | 15-18 | 18-20 | 16-18 | 16-18 | |
Ni | 0.8-1.5 | 46 | 8-10.5 | 1014 | ||
Mo | 2.0-3.0 | |||||
Mechanical Proper | Material Item | 201 | 202 | 304 | 316 | |
Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
Hard ness(HV) |
<253 | <253 | <200 | <200 |
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