Part of the steel grade
ASTMW5 | ASTMH13 | ASTM1015 | ASTM1045 | GB 20Mn | ASTM4140 | ASTM4135 |
JIS SKS8 | JISSKD61 | JISS15C | JIS S45C | ASTM1022 | GB42CrMo | JISSCM435 |
Standard and Material
● Standard:HRSG boiler tube
GB 5130-2008 Seamless steel tube for high pressure boiler
ASME SA210 Seamless medium carbon steel tube for high pressure boiler and superheater
ASME SA192 Seamless carbon tube for high pressure
ASME SA213 SEAMLESS Ferritic and Austenitic Alloy steel boiler, super heater, and Heat exchanger Tubes EN 10216-2 Seamless Steel Tubes Technical Conditions for Pressure Usage
● Main steel grades of HRSG super long tube
SA210A1. SA210C. SA192. SA213-T11. SA213-T22. SA213-T91. SA213-T92. 20G. 15CRMOG. 12CRMOVG. P335GH.13CRMO4-5 ECT.
Chemical composition(1020)
C | Si | Mn | P | S | Ni | Cr | Cu |
0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 | ≤0.25 |
Standard
ASTM | USA | Ameirican Society of Mechanical Engineers |
AISI | USA | Acronym of American Iron and Steel Institute |
JIS | JP | Japanese Industrial Standards |
DIN | GER | Deutsches Institut für Normung e.V. |
UNS | USA | Unified Numbering System |
Product Advantages
1. High strength
2. Good machining property
3. Good comprehensive property balance
Features Description
In combined cycle, wast heat of tubine will be recycled by HRSC and generates steam to generate electricity. HRSG super long tubes are main components of HRSG. Our product had cover various sizes scope. We have many certificates and export tomore than 10 years.
Chemical Compositions(%)
Grade | C | Si | Mn | S | P | Cr | Mo | V | Ti | B | W | Ni | Al | Nb | N |
20G | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.015 | 0.025 | ||||||||||
20 MnG | 0.17-0.24 | 0.17-0.37 | 0.70-1.00 | 0.015 | 0.025 | ||||||||||
25 MnG | 0.22-0.27 | 0.17-0.37 | 0.70-1.00 | 0.015 | 0.025 | ||||||||||
15 MoG | 0.12-0.20 | 0.17-0.37 | 0.40-0.80 | 0.015 | 0.025 | 0.25-0.35 | |||||||||
20 MoG | 0.15-0.25 | 0.17-0.37 | 0.40-0.80 | 0.015 | 0.025 | 0.44-0.65 | |||||||||
12CrMoG | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.015 | 0.025 | 0.40-0.70 | 0.40-0.55 | ||||||||
15CrMoG | 0.12-0.18 | 0.17-0.37 | 0.40-0.70 | 0.015 | 0.025 | 0.80-1.10 | 0.40-0.55 | ||||||||
12Cr2MoG | 0.08-0.15 | ≤0.60 | 0.40-0.60 | 0.015 | 0.025 | 2.00-2.50 | 0.90-1.13 | ||||||||
12Cr1MoVG | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.01 | 0.025 | 0.90-1.20 | 0.25-0.35 | 0.15-0.30 | |||||||
12Cr2MoWVTiB | 0.08-0.15 | 0.45-0.75 | 0.45-0.65 | 0.015 | 0.025 | 1.60-2.10 | 0.50-0.65 | 0.28-0.42 | 0.08-0.18 | 0.002-0.008 | 0.30-0.55 | ||||
10Cr9Mo1VNbN | 0.08-0.12 | 0.20-0.50 | 0.30-0.60 | 0.01 | 0.02 | 8.00-9.50 | 0.85-1.05 | 0.18-0.25 | ≤0.040 | ≤0.040 | 0.06-0.10 | 0.03-0.07 |
Mechanical Properties
Grade | Tensile strength | Yield point(Mpa) | Elongation(%) | Impact(J) |
(Mpa) | not less than | not less than | not less than | |
20G | 410-550 | 245 | 24/22 | 40/27 |
25MnG | 485-640 | 275 | 20/18 | 40/27 |
15MoG | 450-600 | 270 | 22/20 | 40/27 |
20MoG | 415-665 | 220 | 22/20 | 40/27 |
12CrMoG | 410-560 | 205 | 21/19 | 40/27 |
12 Cr2MoG | 450-600 | 280 | 22/20 | 40/27 |
12 Cr1MoVG | 470-640 | 255 | 21/19 | 40/27 |
12Cr2MoWVTiB | 540-735 | 345 | 18 | 40/27 |
10Cr9Mo1VNb | ≥585 | 415 | 20 | 40 |
1Cr18Ni9 | ≥520 | 206 | 35 | |
1Cr19Ni11Nb | ≥520 | 206 | 35 |
Boiler tubing is used in these industries
● Steam Boilers.
● Power Generation.
● Fossil Fuel Plants.
● Electric Power Plants.
● Industrial Processing Plants.