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[China]
Trade Verify
Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact name:Jikin Cai
Yuhong Group Co.,Ltd |
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Verified Suppliers
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ASTM A403 UNS S31254 ( 254 SMO , 1.4547 ) Super Duplex Steel Butt Weld Fittings , 45 / 90 / 180 DEGREE SR / LR ELBOW
YUHONG GROUP supply steel pipe , fitting, flange more than 32 years , and products already export more than 50 countries
up to now , YUHONG brand already won good reputation in the world market . And our production width use in Petrochemical,
offshore , Subsea, Ship building, Boiler, Heat Exchange, Cooling, heating , water transfer , ...
SMO 254 alloy details- Stainless steel 254 SMO is the high-end austenitic SS that is created with the combination of impact
toughness and chloride stress corrosion cracking/crevice corrosion/pitting resistance. It is also having very good strength and
this alloy is popularly known to offer very good workability.
Material testing to know- At the production unit the testing of SMO 254 Butt weld Fittings is executed for the purpose of quality
positive material identification test, etc. It is done by an expert team using modern machinery.
YUHONG ASTM A403 254 SMO Butt weld Fittings Specification
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Specifications | ASTM A403 / ASME SA403 |
| Size | 3/4" - 12" |
| Type | Seamless / Welded / Fabricated |
| Schedule | SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS. |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
YUHONG 254 SMO Pipe Fittings Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. | EN |
| 254 SMO® | S31254 | 1.4547 | X1CrNiMoCuN20-18-7 |
YUHOING 6% Molybdenum Alloy Seamless/Welded Pipe Fittings Chemical Composition
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ce | Fe | |
| SS 254 SMO | min. | - | 17.5 | - | 0.18 | - | - | - | 19.5 | 0.03 | Balance |
| max. | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 | ||
YUHOING Alloy 254 Buttweld Fitting Mechanical Properties
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 254 SMO | 650 | 35 | 300 | 50 | 70 |
合金/Grade |
美国牌号/UNS |
欧洲牌号/W.Nr |
Plate 板子标准 |
Bar 棒材 |
Seamless 无缝管标准 |
Welded Pipe 焊管标准 |
Welded tube 焊管标准 |
Forged 锻件标准 |
锻法兰,管件标准 |
| 304H | S30409 | 1.4301 | A240 /SA240 | A479 /SA479 | A312 /SA312 | A312 /SA312 | A213 /SA213 | A182 /SA182 | A815 /SA 815 |
| 309S | S30908 | 1.4833 | A240 /SA240 | A479 /SA479 | A312 /SA312 | A312 /SA312 | A213 /SA213 | A182 /SA182 | A815 /SA 815 |
| 310S | S31008 | 1.4845 | A240 /SA240 | A479 /SA479 | A312 /SA312 | A312 /SA312 | A213 /SA213 | A182 /SA 182 | A815 /SA 815 |
| 321 | S32100 | 1.4541 | A240 /SA240 | A479 /SA479 | A312 /SA312 | A312 /SA312 | A213 /SA213 | A182 /SA182 | A815 /SA 815 |
| 347 | S34700 | 1.455 | A240 /SA240 | A479 /SA479 | A312 /SA312 | A312 /SA312 | A213 /SA213 | A182 /SA182 | A815 /SA 815 |
| 410/410S | S41000/ S41008 | 1.4006 /1.4000 | A240 /SA240 | A479 /SA479 | A312 /SA312 | A312 /SA312 | A213 /SA213 | A182 /SA182 | A815 /SA 815 |
| 330 | N08330 | 1.4886 /1.4864 | B536 /SB536 | B511 /SB511 | B535 /SB535 | B535 /SB535 | B535 /SB535 | ||
| 333 | N06333 | 2.4608 | B718 /SB718 | B719 /SB719 | |||||
| 800 | N08800 | 1.4876 | B409 /SB409 | B408 /SB408 | B407 /SB407 | B514 /SB514 | B514/ SB514 | B564 /SB564 | B366 /SB366 |
| 800H/800HT | N08810 | 1.4958 /1.4959 | B409 /SB409 | B408 /SB408 | B407 /SB407 | B514 /SB514 | B514/ SB514 | B564 /SB564 | B366 /SB366 |
| 601 | N06601 | 2.4851 | B168 /SB168 | B166 /SB166 | B167 /SB167 | B564 /SB 564 | B366 /SB 366 | ||
| 253MA | S30815 | 1.4893 | A240 /SA240 | A480 /SA480 | A312 /SA312 | A312 /SA312 | A213 /SA213 | A182 /SA182 | A815 /SA 815 |
| 合金材料标准 ASTM/ASME | |||||||||
| 耐腐蚀合金 | |||||||||
| 合金 | 美国牌号 | 欧洲牌号 | 板子 | 棒材 | 无缝管seamless pipe | 焊管 | 焊管 welded tube | 锻件标准 forging | 锻法兰,管件 flange, fitting |
| /Grade | /UNS | /W.Nr | plate | bar | welded pipe | ||||
| 316H | 1.4401 | A240 /SA240 | A479 /SA479 | A312/SA312 | A312 /SA312 | A213 /SA213 | A 182/SA 182 | A 815 /SA 815 | |
| 双相钢 2205 | S31803 /S32205 | 1.4462 | A240 /SA240 | A479 /SA479 | A789/SA789 | A790 /SA790 | A789 /SA789 | A 182/SA 182 F 51 | A 815 /SA 815 |
| 超级双相钢 2507 | S32750 | 1.441 | A240 /SA240 | A479 /SA479 | A789/SA789 | A790 /SA790 | A789 /SA789 | A 182/SA 182 F 53 | A815 /SA 815 |
| 超级双相钢 | S32760 | 1.4501 | A240 /SA240 | A479 /SA479 | A789/SA789 | A790 /SA790 | A789 /SA789 | A 182/SA 182 F 55 | A815 /SA 815 |
| Al-6XN | N08367 | 等同1.4529 | B688 /B688 | B691 /B691 | B675/B675 | B676/B676 | B676 /B676 | F 62 /F44(254) | |
| 25-6SMo | N08926 | 1.4529 | A240 /SA240 | A276 /SA276 | A312/SA312 | A312/SA312 | A249 /SA249 | B366 /SB 366 | |
| 254SMo | S31254 | 1.4547 | A240 /SA240 | A276 /SA276 | A312/SA312 | A312/SA312 | A249 /SA249 | A182/SA 182 F 44 | B366 /SB366 |
| 926合金 | N08926 | 1.4529 | A240 /SA240 | A276 /SA276 | A312/SA312 | A312/SA312 | A249 /SA249 | A 182/SA 182 F 44 | B366 /SB366 |
| 904L | N08904 | 1.4539 | A240 /SA240 | B649 /SB649 | B677/SB677 | B673/SB673 | B674 /SB674 | A 182/SA 182 904L | B366 /SB366 |
| 合金20 | N08020 | 2.466 | B463 /SB463 | B473 /SB473 | B729/SB729 | B464& ASTM SB474 | B464 /SB474 | B472/SB 472 | B366 /SB366 |
| 600 | N06600 | 2.4816 | B168 /SB168 | B166 /SB166 | B167/SB167 | B516& ASTM SB516 | B516 /SB516 | B564/SB 564 | B366 /SB366 |
| 625 | N06625 | 2.4856 | B443 /SB443 | B446 /SB446 | B444 /SB444 | B444/SB444 | B444 /SB444 | B564/SB 564 | B366 /SB366 |
| 825 | N08825 | 2.4858 | B424 /SB424 | B425 /SB425 | B423 /SB423 | B705/ ASTM SB705 | B704 /SB704 | B564/SB 564 | B366 /SB366 |
| 合金31 | N08031 | 1.4562 | B625 /SB625 | B581 /SB581 | B564/SB 564 | ||||
| 合金59 | N06059 | 2.4605 | B575 /SB575 | B574 /SB574 | B622 /SB622 | B619/SB619 | B626 /SB626 | B564/SB 564 | B366 /SB366 |
| C276 | N10276 | B575 /SB 575 | B574 /SB574 | B622 /SB622 | B619/SB619 | B626 /SB626 ClassIII | B564/SB 564 | B366 /SB 366 | |
| C22 | N06022 | 2.4602 | B575 /SB575 | B574 /SB574 | B622 /SB622 | B619/SB619 | B626 /SB626 | 564/SB 564 | B366 /SB366 |
| B2 | N10665 | B333 /SB333 | B335 /SB335 | B622 /SB622 | B619/SB619 | B626 /SB626 ClassIII | B564/SB 564 | B366 /SB 366 | |
| B3 | N10675 | B333 /SB333 | B335 /SB335 | B622 /SB622 | B619/SB619 | B626/SB626 ClassIII | B564/SB 564 | B366 /SB366 | |
| 200/201 | N02200 /N02201 | 2.4060/2.4061 | B162 /SB162 | B160 /SB160 | B161 /SB161 | B725/SB725 | B725 /SB725 | B564/SB 564 | B366 /SB366 |
Packing Details
UNS S31254 Buttweld Fitting are individually wrapped by hand to ensure that the high quality of the material is maintained
and no damage in the last stages of production. We recommend Plywood cases or pallet packaging to ensure safe packaging
and prompt delivery of the ordered consignment.
