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[China]
Trade Verify
Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Contact name:Richard SHEN
TORICH INTERNATIONAL LIMITED |
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Verified Suppliers
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GB/T12770 022Cr19Ni10 Double Arc Welding Mechanical Structures Stainless Steel Tubes
Size:
OD:20-500mm
WT:2-50mm
Length:2-12m
Application:
Electric heater fields like metal tube heater,hot runner,thermostat,heating apparatus,air conditioning,refrigerators and other household appliances,heating etc.Food and beverage,petroleum chemical industry,heat exchanger,condenser,marine environment,paper making,chemical fertilizer,instrumentation,medical,Automotive engineering,aerospace,pipe structure,priting textile and etc.
Surface condition:
Bright Annealed
Polished
Annealed&Pickled
Bright Annealed+Fine polishing
Electropolishing
Mechanical Properties of Steel Tube
Number |
Grade | Required Tensile Strength of Plastics Rp0.2/ MPa | Tensile Strength Rm MPa | Elongation A/ % | ||
| Heat Treatment State | Non-heat Treatment State | |||||
| Not Less Than | ||||||
| 1 | 12Cr18Ni9 | 210 | 520 | 35 | 25 | |
| 2 | 06Cr19Ni10 | 210 | 520 | |||
| 3 | 022Cr19Ni10 | 180 | 480 | |||
| 4 | 06Cr25Ni20 | 210 | 520 | |||
| 5 | 06Cr17Ni12Mo2 | 210 | 520 | |||
| 6 | 022Cr17Ni12Mo2 | 180 | 480 | |||
| 7 | 06Cr18Ni11Mo2 | 210 | 520 | |||
| 8 | 06Cr18Ni11Nb | 210 | 520 | |||
| 9 | 022Cr22Ni5Mo3N | 450 | 620 | 25 | - | |
| 10 | 022Cr23Ni5Mo3N | 485 | 655 | 25 | - | |
| 11 | 022Cr25Ni7Mo4N | 550 | 800 | 15 | - | |
| 12 | 022Cr19Ti | 180 | 360 | 20 | - | |
| 13 | 019Cr19Mo2NbTi | 240 | 410 | |||
| 14 | 06Cr13Al | 177 | 410 | |||
| 15 | 022Cr11Ti | 275 | 400 | 18 | - | |
| 16 | 022Cr12Ni | 275 | 400 | 18 | ||
| 17 | 06Cr13 | 210 | 410 | 20 | - | |
Tolerance of OD
| Classification | Nominal OD | Permissible Tolerance | ||
| PC | PB | PA | ||
HT | ＜25 | ±0.20 | ±0.15 | ±0.10 |
| ≥25~＜40 | ±0.30 | ±0.25 | ±0.20 | |
| ≥40~＜63 | ±0.50 | ±0.30 | ±0.25 | |
| ≥63~＜90 | ±0.60 | ±0.50 | ±0.40 | |
| ≥90~＜159 | ±0.80 | ±0.65 | ±0.50 | |
| ≥159~＜300 | ±0.8%D | ±0.7%D | ±0.5%D | |
| ≥300~＜610 | ±0.1%D | ±0.8%D | ±0.6%D | |
| ≥10 | protocol | protocol | protocol | |
WC SP | ＜25 | ±0.15 | ±0.12 | ±0.10 |
| ≥25~＜40 | ±0.20 | ±0.15 | ±0.13 | |
| ≥40~＜50 | ±0.20 | ±0.18 | ±0.15 | |
| ≥50~＜60 | ±0.25 | ±0.20 | ±0.18 | |
| ≥60~＜90 | ±0.30 | ±0.28 | ±0.25 | |
| ≥90~＜100 | ±0.40 | ±0.35 | ±0.30 | |
| ≥100~＜200 | ±0.5%D | ±0.4%D | protocol | |
| ≥200 | protocol | protocol | protocol | |
