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GB 13296 Seamless Stainless Steel Tubes for Boiler and Heat Exchanger |
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Standard: GB 13296
Equivalent Standards: ASTM A213 |
Material: 12Cr18Ni9
Equivalent Material: 08Ch18N10, X5CrNi18-10, 1.4301 |
Chemistry Composition |
C, % |
Mn, % |
P, % |
S, % |
Si, % |
Cr, % |
Ni, % |
0.08 max |
2.00 max |
0.045 max |
0.030 max |
1.00 max |
18.0-20.0 |
8.00-11.0 |
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Mechanical Properties |
Tensile Strength , MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB |
515 min |
205 min |
35 min |
192 max |
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Outside Diameter & Tolerance |
Hot rolled |
Outside Diameter, mm |
Tolerance, mm |
OD≤101.6 |
+0.4/-0.8 |
101.6<OD≤190.5 |
+0.4/-1.2 |
190.5<OD≤228.6 |
+0.4/-1.6 |
Cold Drawn |
Outside Diameter, mm |
Tolerance, mm |
OD<25.4 |
±0.10 |
25.4≤OD≤38.1 |
±0.15 |
38.1<OD<50.8 |
±0.20 |
50.8≤OD<63.5 |
±0.25 |
63.5≤OD<76.2 |
±0.30 |
76.2≤OD≤101.6 |
±0.38 |
101.6<OD≤190.5 |
+0.38/-0.64 |
190.5<OD≤228.6 |
+0.38/-1.14 |
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Wall thickness & Tolerance |
Hot rolled
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Outside Diameter, mm |
Tolerance, % |
OD≤101.6, WT≤2.4 |
+40/-0 |
OD≤101.6, 2.4<WT≤3.8 |
+35/-0 |
OD≤101.6, 3.8<WT≤4.6 |
+33/-0 |
OD≤101.6, WT>4.6 |
+28/-0 |
OD>101.6, 2.4<WT≤3.8 |
+35/-0 |
OD>101.6, 3.8<WT≤4.6 |
+33/-0 |
OD>101.6, WT>4.6 |
+28/-0 |
Cold Drawn
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Outside Diameter, mm |
Tolerance, % |
OD≤38.1 |
+20/-0 |
OD>38.1 |
+22/-0 |
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GB 13296 specifies the classification, code, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of stainless steel seamless steel tubes for boilers and heat exchangers. GB 13296 is applicable to stainless steel seamless steel tubes for boilers and heat exchangers.
GB 13296规定了锅炉、热交换器用不锈钢无缝钢管的分类、代号、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志和质量证明书。GB 13296适用于锅炉、热交换器用不锈钢无缝钢管。 |
Manufacture: tubes shall be made by the seamless process and shall be either hot finished or cold finished, as specified.
Heat Treatment: solution treatment.
Inspection & Test: chemistry composition, tensile test, hardeness test, flattening test, flaring test, NDT, surface inspection and dimension check. |
Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max developed length: 32 meters, also U bending can be offered, each leg length can be 15.24 meters. |
Keyword: High Pressure Steel Pipe, Boiler Steel Pipe, Heat Exchanger Steel Tube, ASME SA213, SA213TP304, ASTM A213 |
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