ASTM Schedule 40 Sch 80 Pipe Seamless Steel Pipe
Schedule 40 (SCH40): This is a standard wall thickness pipe, with a relatively thinner wall. For example, a 2-inch (approximately 50.8 mm) SCH40 seamless steel pipe has a wall thickness of about 3.91 mm, suitable for low-pressure environments not exceeding 0.6 MPa, such as hot and cold water pipes in ordinary residences.

Schedule 80 (SCH80): This is a thicker pipe, with a significantly increased wall thickness. A 2-inch SCH80 seamless steel pipe can have a wall thickness of up to 5.49 mm, capable of withstanding pressures above 1.0 MPa, and is commonly used in high-pressure hot water systems, industrial fluid transportation, and other applications requiring higher pressures.
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Out Diameter13.7mm-914mm
Wall Thickness2mm-120mm
Length2m-12m
Producing StandardAmerican ASME B36.10M, ASTM API 5L, API 5CTJapanese JIS, German DIN, Chinese GB, BS standard
Steel Grade

ASTM A53, A106, A500, A513, A179, A178, A192, SAE1018, SAE1020, SAE1045 etc;

API 5L PSL1: A, B, x42, x46, x52, x56, x60, x65, x70 ; PSL2: B, x42, x46, x52, x56, x60, x65, x70,x80

EN S235JRH,S275JOH,S355J2H

JIS SS400, STPG42, G3454, G3456 etc;

DIN St35, St35.8, St37, St42, St45, St52, DIN1626,DIN17175 etc;

GB 10#, 20#, 45#, Q235, Q345, Q195, 16Mn, 27SiMn, 20Cr, 40Cr, 12CrMo, 15CrMo, 30CrMo, 35CrMo, 42CrMo etc;

Special specificationsAvailable according to customer's requirements and quantity.
End ShapeBeveled end, plain end, varnished, or adding plastic caps to protect the two ends as per customer's requirements
Surface treatmentPainted, Oiled, galvanized, phosphate etc
Usage

Widely used in the mechanical treatment field, petrochemical industry, transport and construction  field2.Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;3.The transportation of fluids in the projects

and big equipments, for example transport of water, oil, gas etc4.Can be used in low and

medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc

Third party inspectionWelcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.


ASTM A53 Chemical Composition Requirements

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ASTM A53CMnPSCuNiCrMoVCE (Max)
Type S (Seamless)









Grade A0.250.950.050.0450.400.400.400.150.08
Grade B0.301.200.050.0450.400.400.400.150.08
Type E (Electric-Resistance Welded)









Grade A0.250.950.050.0450.400.400.400.150.08
Grade B0.301.200.050.0450.400.400.400.150.080.50
Type F (Furnace-Butt Welded)†









Grade A0.301.200.050.0450.400.400.400.150.08


ASTM A106 Chemical Composition Requirements

ASTM A106CMnPSSiCuNiCrMoVCE (Max)
Grade A0.250.27-0.930.0350.0350.100.400.400.400.150.080.50
Grade B0.300.29-1.060.0350.0350.100.400.400.400.150.080.50
Grade C0.350.29-1.060.0350.0350.100.400.400.400.150.080.55


Product Dimensions

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NPS(OD)Schedule 40(thickness )Schedule 80(thickness )

in (mm)in (mm)thickness in (mm)
1/80.405 (10.29)0.068 (1.73)0.095 (2.41)
1/40.540 (13.72)0.088 (2.24)0.119 (3.02)
3/80.675 (17.15)0.091 (2.31)0.126 (3.20)
1/20.840 (21.34)0.109 (2.77)0.147 (3.73)
3/41.050 (26.67)0.113 (2.87)0.154 (3.91)
11.315 (33.40)0.133 (3.38)0.179 (4.55)
1 1/41.660 (42.16)0.140 (3.56)0.191 (4.85)
1 1/21.900 (48.26)0.145 (3.68)0.200 (5.08)
22.375 (60.33)0.154 (3.91)0.218 (5.54)
2 1/22.875 (73.03)0.203 (5.16)0.276 (7.01)
33.500 (88.90)0.216 (5.49)0.300 (7.62)
3 1/24.000 (101.60)0.226 (5.74)0.318 (8.08)
44.500 (114.30)0.237 (6.02)0.337 (8.56)
55.563 (141.30)0.258 (6.55)0.375 (9.53)
66.625 (168.28)0.280 (7.11)0.432 (10.97)
88.625 (219.08)0.322 (8.18)0.500 (12.70)
1010.750 (273.05)0.365 (9.27)0.500 (12.70)*
1212.750 (323.85)0.375 (9.53)0.500 (12.70)*
1414.000 (355.60)0.375 (9.53)0.500 (12.70)*
1616.000 (406.40)0.375 (9.53)0.500 (12.70)*
1818.000 (457.20)0.375 (9.53)0.500 (12.70)*
2020.000 (508.00)0.375 (9.53)0.500 (12.70)*
2424.000 (609.60)0.375 (9.53)0.500 (12.70)*

product display

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Processing and display

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Product Applications

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Packaging and shipping

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Shandong Zhonglian Yongsheng Special Steel Co., Ltd. is a steel production enterprise that has been engaged in steel production, processing and sales for many years. Its main products include stainless steel series, carbon steel, galvanized steel and other profile products. It can also provide other metal products according to customer needs, with an annual export volume of about 1 million tons. It has five finishing production lines, three hot-dip galvanizing production lines, and two color coating production lines. It adopts advanced automatic width control system (AWC), automatic thickness control system (AGC), bending roll system, work roll guide roll system and other effective measures to ensure product quality. Its products are exported to more than 30 countries and regions including the United States, Canada, Spain, Russia, Iran, Saudi Arabia, Morocco, India, Pakistan, Malaysia, Singapore, Australia, New Zealand, etc. "Punctuality, integrity, and humanized service" have always been the development principles that the company and all employees have always adhered to.

Certificate

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  • 微信图片_2025-07-25_175448_750

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