Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
| Payment Terms | T/T, Western Union, MoneyGram,30% T/T IN ADVANCE 70% BEFORE SHIPMENT, L/C |
| Supply Ability | 10000 PIECES PER YEAR |
| Delivery Time | 15-20 Working Days |
| Packaging Details | Woodcase, pallet, woven bag etc. or as per your requirement |
| Size | ½"-24" |
| Process | Forged |
| Class Rating | 150# |
| Sealing Face | RF FF TF RTJ |
| Face Finish | Smooth /Stock Finish |
| Application | Chemical /Oil/Gas/Energy |
| Standard | ASME B16.5 |
| Material | Stainless Steel |
| Brand Name | HT |
| Model Number | Stainless steel 321 flange thd flange |
| Certification | ISO,BV,SGS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram,30% T/T IN ADVANCE 70% BEFORE SHIPMENT, L/C | Supply Ability | 10000 PIECES PER YEAR |
| Delivery Time | 15-20 Working Days | Packaging Details | Woodcase, pallet, woven bag etc. or as per your requirement |
| Size | ½"-24" | Process | Forged |
| Class Rating | 150# | Sealing Face | RF FF TF RTJ |
| Face Finish | Smooth /Stock Finish | Application | Chemical /Oil/Gas/Energy |
| Standard | ASME B16.5 | Material | Stainless Steel |
| Brand Name | HT | Model Number | Stainless steel 321 flange thd flange |
| Certification | ISO,BV,SGS | Place of Origin | CHINA |
Forged Stainless steel 321 flange thd flange
1.321 flange
We are well organized firm in the market, highly involved in offering a broad range of Stainless Steel 321 Flanges which is widely used in various industries. These products are developed and designed using optimum-quality raw material in accordance to industrial quality norms & standards. These flanges are highly appreciated for their sturdiness and robustness. Apart from this, we also offer customization facility of these products to our clients
2.Chemical Composition :
| % | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
| 321 | min:17.0 | min: 9.0 | max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) | Balance |
| max:19.0 | max:12.0 | max:0.70 | ||||||||
| 321H | min:17.0 | min: 9.0 | min:0.04 | min:18.0 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) | Balance |
| max:19.0 | max:12.0 | max:0.10 | max:20.0 | max:0.70 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
| 321 | min. max | - 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 | - | 9.0 12.0 | 0.10 | Ti=5(C+N) 0.70 |
The mechanical properties of grade 321 Stainless Steel Flanges are displayed in the following table.
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
3.Packaging showing
4.321 flange specification
| Standard | Type | Class | Size |
| ASME B16.5 | WN/LWN/SO/Blind/Lap Joint | 150#-2500# | 1/2"-24"(Except Blind Flange 2500lb 1/2"-12") |
| SW flange | 150#-1500# | 1/2"-3"(Except 1500# 1/2"-2 1/2") | |
| Threaded | 150#-900# | 1/2"-24" | |
| 1500# 2500# | 1/2"-2 1/2" | ||
| ASME B16.47 Series A | WN/blind flange | 150# -900# | 22"-48"(Except 900# Size:26"-48") |
| ASME B16.47 Series B | WN/blind flange | 75#-300# | 26"-48" |
| 400# 600# 900# | 26"-36" | ||
| DIN2527 | Blind flange | PN6-PN100 | DN10-DN1000 |
| DIN2543 | SO flange | PN16 | DN10-DN1000 |
| DIN2544 | SO flange | PN25 | DN10-DN1000 |
| DIN2545 | SO flange | PN40 | DN10-DN500 |
| DIN2565 | Threaded flange with Neck | PN6 | DN6-DN200 |
| DIN2566 | Threaded flange with Neck | PN16 | DN6-DN150 |
| DIN2567 | Threaded flange with Neck | PN25 PN40 | DN6-DN150 |
| DIN2568 | Threaded flange with Neck | PN64 | DN10-DN150 |
| DIN2569 | Threaded flange with Neck | PN100 | DN10-DN150 |
| EN1092-1:2002 | Plate flange for welding/loose plate flange with weld-on plate collar or for lapped pipe end/Blind Flange/WN flange | PN2.5-PN100 | DN10-DN4000 |
| JIS B2220 | Welding flange, lap joint flange, threaded flange | PN6-PN100 | DN10-DN1500 |
| BS4504 BS10 TableD/E | Plate Flange for welding/WN flange/blank Flange | PN6-PN100 | DN10-DN1500 |
| Other Products | Anchor/swivel/girth/lap joint/reducing/orifice | ||
| Spectacle blind/paddle blind/spacer ring/orifice plate/bleed ring | |||
| Special Products: rings/forgings/disc/shaft sleeves | |||
| Sealing Surface | RF FF RTJ TF GF LF LM | ||
| Flange Face Finish | Stock finish/spiral serrated/concentric serrated/smooth finish(Ra 3.2 and 6.3 micrometers) | ||
| 125-250 AARH(it is called smooth finish) | |||
| 250-500 AARH(it is called stock finish) | |||
| Coating | Vanish, yellow paint, anti-rust oil, galvanizing etc | ||
| Material Grade | Nickel Alloy Steel | ASTM/ASME B/SB564 UNS N02200(NICKEL 200), UNS N04400(MONEL 400), | |
| UNS N08825( INCOLOY 825), UNS N06600(INCONEL 600), | |||
| UNS N06601(INCONEL 601), UNS N06625(INCONEL 625), UNS N10276(HASTELLOY C276), | |||
| ASTM/ASME B/SB160 UNS N02201(NICKEL 201), ASTM B/SB472 UNS N08020(Alloy 20) | |||
| Copper Alloy | ASTM/ASME B/SB151 UNS C70600(CuNi 90/10), C71500(CuNi 70/30) | ||
| Stainless Steel | ASTM/ASME A/SA182 F304,304L,304H,309H,310H,316,316H,316L,316LN, | ||
| 317,317L,321,321H,347,347H | |||
| Duplex and Super Duplex Steel | ASTM/ASME A/SA182 F44,F45,F51,F53,F55,F60,F61 | ||
| Carbon steel | ASTM /ASME A/SA105(N) | ||
| Low Temp Carbon Steel | ASTM/ASME A/SA350 LF2 | ||
| High Yield Carbon Steel | ASTM/ASME A/SA694 F52, F56 F60, F65, F70 | ||
| Alloy Steel | ASTM/ASME A/SA182 GR F5,F9, F11,F12,F22,F91 | ||
| Titanium | ASTM/ASME B/SB381 Grade 2, Grade 5, Grade 7 | ||
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1978
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification：
Active Member
Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti... Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti...
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