Ductile Iron Pipe
Ductile iron pipes refer to pipes made by high-speed centrifugal casting of cast iron with a diameter of 18 or above, after adding spheroidizing agents, using a centrifugal ductile iron machine. They are commonly referred to as ductile pipes, ductile iron pipes, and ductile iron pipes. Mainly used for the transportation of tap water, it is an ideal material for tap water pipelines.
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Parameter
Chemical Composition
Mechanical Properties
Product NameSeamless Carbon Steel Pipe
Material

A53, ST33, A283, A135, ST37, A53, A106, ST35

, A179, A214, A192, A226, A315, ST42, A106-B

Outside8~100mm
Wall Thickness2mm~15mm
Unit Length3m, 5.8m, 6m, 11.8m, 12m, 13.5m or as per customers' request
Shipment TimeIt will depend on the detail quantities
GradeCSiMnPSCuCrNi
Cor-ten A0.120.25-0.750.20-0.500.01-0.20.030.25-0.550.5-1.250.65
Cor-ten B0.160.3-0.50.8-1.250.030.030.25-0.400.4-0.65≤0.4
SPA-H0.120.2-0.750.600.07-0.150.0350.25-0.550.3-1.250.65
9CuPCrNi-A0.120.2-0.750.20-0.500.07-0.150.0400.25-0.550.3-1.250.65
Q235NH0.130.10-0.400.20-0.600.030.0300.25-0.550.40-0.800.65
Q295NH0.150.10-0.500.30-1.000.030.0300.25-0.550.40-0.800.65
Q355NH0.160.50.50-1.500.030.0300.25-0.550.40-0.800.65
Q415NH0.120.651.100.0250.0300.20-0.550.30-1.250.12-0.65
Q460NH0.120.651.500.0250.0300.20-0.550.30-1.250.12-0.65
Q500NH0.120.652.00.0250.0300.20-0.550.30-1.250.12-0.65
Q550NH0.120.652.00.0250.0300.20-0.550.30-1.250.12-0.65
Q265GNH0.120.10-0.400.20-0.500.07-0.120.0200.2-0.450.30-0.650.25-0.50
Q295GNH0.120.10-0.400.20-0.500.07-0.120.0200.25-0.450.30-0.650.25-0.50
Q310GNH0.120.25-0.750.20-0.500.07-0.120.0200.25-0.550.30-1.250.65
Q355GNH0.120.20-0.751.000.07-0.150.0200.25-0.550.30-1.250.65
Q345GNHL0.120.25-0.750.20-0.500.07-0.150.0350.25-0.550.30-0.650.65
Q295GQR20.120.10-0.400.20-0.500.06-0.120.0200.25-0.450.30-0.650.25-0.5
Q295GQR30.120.20-0.400.25-0.550.06-0.120.0200.25-0.50------
Q345NQR20.120.25-0.750.20-0.500.06-0.120.0200.25-0.500.3-1.250.12-0.65
Q345NQR30.120.20-0.500.25-0.700.06-0.120.0200.25-0.50------
Q400NQR10.120.751.100.0250.0080.25-0.550.3-1.250.12-0.65
Q450NQR10.120.751.500.0250.0080.25-0.550.3-1.250.12-0.65
Q500NQR10.120.752.000.0250.0080.25-0.550.3-1.250.12-0.65
Q550NQR10.160.752.000.0250.0080.25-0.550.3-1.250.65
Carbon content (wt.%)MicrostructurePropertiesExamples
Low-carbon steel< 0.25Ferrite, pearlite

Low hardness and cost. High ductility, 

toughness, machinability and weldability

AISI 304, ASTM A815, AISI 316L
Medium-carbon steel0.25 – 0.60Martensite

Low hardenability, medium strength,

 ductility and toughness

AISI 409, ASTM A29, SCM435
High-carbon steel0.60 – 1.25PearliteHigh hardness, strength, low ductilityAISI 440C, EN 10088-3
PRODUCT DISPLAY

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STEEL STANDARDS AND GRADES
Material China/GB USA/ASTM Europe/EN Germany/DIN France/NFA Italy/UNI UK/BS Japan/JIS
1.0035 Q235 A283 A,B,C,D S185 St 33 A 33 Fe 320 - -
1.0037 Q235A A53 Gr.A S235JR St 37-2 E24-2 Fe 360 B - -
1.0121 - - S235JRG1 USt 37-2 - Fe 37 BFU - SS330
1.0038 Q235A A284 Gr.C,D S235JR RSt 37-2 E24-2 Fe 360 B 40(A)B SM 400A
- - - S235J0 St37-3U E 24-3 Fe 360 C 40C SM400B
1.0116 - - S235J2+N St 37-3 N E24-4 Fe 360 D 40D SM400C
0.0117 Q235-F A36 S235J2 - - - 40 EE -
1.0044 Q295 A529 Gr.42,50 S275JR ST 44-2 E 28-2 Fe430B 43(A)B -
0.0143 Q295 - S275J0 St44-3U E 28-3 Fe 430 C 43 C -
0.0144 Q295 A572 Gr.42,50 S275J2+N St 44-3N E 28-4 Fe 430D 43 D -
0.0145 Q295 - S275J2 - - - 43EE -
- Q215 A573 Gr.58,65,70 - - - - - -
0.0145 Q295 A633 Gr.A,C,D S355JR - E 36-2 Fe 510 B 50 B SM 490A
1.0553 Q345 - S355J0 St 52-3 U E 36-3 Fe 510C 50 C SS490B
1.057 Q345 - S355J2+N St 52-3 N - Fe 510D 50 D SS 490 C
1.0577 Q345 A656 Gr.50 S335J2 - - - - SS 490 YA
1.0595 Q345 - S335K2+N - E 36 -4 Fe 510 DD 50 DD SS490 YB
1.0596 Q345 - S335K2 - - - 50 EE SM 520 B
- - A709 Gr.36,50,50 - - - - - SM 520 C
- Q295 - S275N StE285 - Fe E 275 kg N - -
- Q295 - S275NL TStE285 - Fe E 275 KT N 43EE -
- Q345 - S355 N StE355 E 355 R Fe E 355 kg N - -
- Q345 - S355 NL TStE355 E 355 FP Fe E 355 KT N 50EE -
- Q420 - S420N StE420 E 420 R - - -
- Q420 - S420NL TStE420 E 420 FP - - -
- Q460 - S460N StE460 E 460 R Fe E 460 kg N - -
- Q460 - S460NL TStE460 E 460 FP Fe E 460 KT N 55EE -
- Q295 - S275M - - Fe E 275 kg TM - -
- Q295 - S275ML - - Fe E 275 KT TM - -
- Q345 - S355M StE355 TM - Fe E 355 kg TM - -
- Q345 - S355ML TStE355 TM - Fe E 355 KT TM - -
- Q420 - S420M StE420 TM - - - -
- Q420 - S420ML TStE420 TM - - - -
- Q460 - S460M StE460 TM - Fe E 460 kg TM - -
- Q460 - S460ML TStE460 TM - Fe E 460 KT TM - -
1.0345 20G - P235GH HI A 37 CP Fe 360 - 1KW 161 Gr. 360 -
164 Gr.360 - - A37 RCI A 285 Gr. C - - - -
A414 Gr.C
A516 Gr.55
- - SPV24 - - - - -
1.0425 20G A414 Gr.E
A516 Gr.60
P265GH HII A 42 CP Fe 410 - 1KW 161 Gr. 400 / 164 Gr. 400 / 224 Gr. 400 -
1.0481   A414 Gr.F
A516 Gr.65
P295GH 17 mn 4 A 48 CP Fe 460 - 1KW 224 Gr. 490 SPV 32
1.0473 20G A414 Gr.G P355GH 19 mn 6 A 52 CP Fe 510 - 1KW - SPV 36
1.5415 16Mo A204 Gr.B 16mo3 15 mo 3 15 D3 15 mo 3 1503 - 243 B -
1.7335 15CrMo A387 Gr.12 13CrMo4-5 13CrMo 4 4 15 CD 4-05 14 CrMo 4.5 620 Gr. 27 -
1.738 12Cr2Mo1 A387 Gr.22 10CrMo9-10 10CrMo 9 10 10 CD 9.10 - 622 Gr. 31 -
1.7383 - - 11CrMo9-10 - - 12 CrMO 9.10 - -
1.8818 - - S275M StE 275 TM - Fe E 275 kgTM - -
1.8819 - - S275ML TStE 275 TM - Fe E 275 KTTM - -
1.8823 - A572 Gr.C S355M StE 355 TM E 355 R Fe E 355 kgTM - -
1.8834 - A633 Gr.C S355ML TStE 355 TM E 355 FP Fe E 355 KTTM 50 EE -
1.8825 - A572 Gr.60 S420M StE 420 TM E 420 R - - -
1.8836 - A633 Gr.E S420ML TStE 420 TM E 420 FP - - -
1.8827 - A572 Gr.65 S460M StE 460 TM E 460 R Fe E 460 kgTM - -
1.8838 - A572 Gr.65 S460ML TStE 460 TM E 460 FP Fe E 460 kgTM 55 EE -
1.049 - A572 Gr.42 S275N StE 285 - Fe E 275 kgN - -
1.0491 - A633 Gr.A S275NL TStE 285 - Fe E 275 KTN 43 EE -
1.0545 - A572 Gr.50 S355N StE 355 E 355 R Fe E 355 kgN 50 E -
1.0546 - A633 Gr.C,D S355NL TStE 355 E 355 FP Fe E 355 KTN 50 EE -
A537 CI.1 - - - - - - - -
1.8902 - A255 Gr.D S420N StE 420 E 420 R Fe E 420 kgN - SM 490 A
1.8912 - A633 Gr.E
A572 Gr.60
A738 Gr.C
S420NL TStE 420 E 420 FP - 50 F -
1.0035 Q235 A283 B S185 St 33 A 33 Fe 320 - -
A569 CQ - - SS330 - - - - -
1.0037 Q235 A283 C S235JR St 37-2 E 24-2 Fe 360 B 40 A -
A570 Gr.33 - - - - - - - -
1.0038 - - S235JR RSt 37-2 E 24-2 NE - 40 B -
1.0116 - - S235J2+N St 37-3 N E 24-4 Fe 360 D 40 D -
1.0117 - - S235J2 - - - - -
1.0044 Q235 A283 D S275JR St 44-2 E 28-2 Fe 430 B 43 B -
A36 - - SS400 - - - - -
1.0143 - A578 Gr.70 S275J0 St 44-3 U E 28-3 Fe 430 C 43 C -
1.0144 - A633 Gr.A S275J2+N St 44-3 N E 28-4 Fe 430 D 43 D -
1.0145 - - S275J2 - - - - -
1.0045 - A572 Gr.50
A678 Gr.A
S355JR - E 36-2 Fe 510 B 50 B SS 490
1.0553 - A441 S355J0 St 52-3 U E 36-3 Fe 510 C 50 C -
1.057 - - S355J2+N St 52-3 N - Fe 510 D 50 D -
1.0577 - - S355J2 - - - - -
1.0595 - - S355K2+N - E 36-4 - 50 DD -
1.0596 - - S355K2 - - - - -
1.005 - - E295 St 50-2 A 50-2 Fe 490 - SS 500
1.006 - - E335 St 60-2 A 60-2 Fe 590 - -
1.007 - - E360 St 70-2 A 70-2 Fe 690 - -
1.0501 - 1035 C35 C 35 AF55-C35 C 35 070 M 36 S 35 C
1.0511 - 1038 / 1040 C40 C 40 AF60-C45 C 40 070 M 40 S 40 C
1.0503 - 1042 / 1045 C45 C 45 AF65-C45 C 45 070 M 46 S 45 C
1.054 - 1049 / 1050 C50 C 50 - - 070 M 50 S 50 C
1.0535 - 1055 C55 C 55 AF70-C55 C 55 070 M 55 S 55 C
1.0601 - 1060 C60 C 60 - - 070 M 60 S 58 C
1.0603 - 1070 1 C 67 C 67 xC 68 C 67 080A67 -
1.0605 - 1074 1 C 75 C 75 xC 75 C 75 080A72 -
E295 - - Fe 490-2 St 50-2 A 60-2 Fe 490 - SS 500
E335 - - Fe 590-2 St 60-2 A 60-2 Fe 590 - -
E360 - - Fe 690-2 St 70-2 A 70-2 Fe 690 - -
ABOUT US

Stainless steel, carbon steel and other products have entered key industries such as petroleum, petrochemicals, railways, automobiles, shipbuilding, containers, and coinage, and have been applied in key fields such as high-speed rail, sports venues, and nuclear power. Its rapid and stable development is inseparable from the company's high-quality talent team and advanced management mode. At the same time, in the spirit of "survival through quality, innovative development", we strive to strive for excellence in every detail, achieving a win-win situation for both company and customer interests. The company is committed to building a resource-saving and environmentally friendly modern enterprise, and is committed to building a world-class, high-quality research and production base for stainless steel and special alloy materials, becoming the first choice for customers.

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WORKSHOP PACKAGING

Packaging and loading:

Packaging: According to customers' needs, use wrapping paper. If the transportation period exceeds 10 days or encounters special climate, we will use waterproof packaging and add plastic film to prevent moisture, water and rust.

Loading: We use the wooden pallet,triangular wood to fix the coil,and the steel wire rope to hold on the both side. That can prevent from the crush injury effectively.

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