The Importance of ASTM, AISI, and ISO Standards in the Hot and Cold Rolled steel Industry

The hot and cold rolled steel industry plays a crucial role in construction, providing the materials necessary for the creation of buildings, bridges, and other infrastructure. To ensure the quality and reliability of these materials, various standards have been established by organizations such as ASTM, AISI, and ISO. These standards are essential in maintaining consistency and safety in the industry.

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ASTM, or the American Society for Testing and Materials, is a globally recognized organization that develops and publishes technical standards for a wide range of materials, including steel. Their standards cover various aspects of steel production, such as chemical composition, Mechanical properties, and testing methods. By adhering to ASTM standards, manufacturers can ensure that their steel products meet the required specifications and are suitable for use in construction projects.

OD (mm)

Wall Thickness (mm)

2

2.5

3

3.5

4

4.5

5

6

6.5-7

7.5-8

8.5-9

9.5-10

11

12

Φ25-Φ28

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Φ32

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Φ34-Φ36

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Φ38

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Φ40

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Φ42

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Φ45

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Φ48-Φ60

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Φ63.5

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Φ68-Φ73

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Φ76

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Φ80

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Φ83

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Φ89

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Φ95

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Φ102

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Φ108

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Φ114

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Φ121

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Φ127

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Φ133

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Φ140

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Φ146

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Φ152

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Φ159

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Φ168

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Labels a							Calculated Mass c
			Nominal Linear Mass T& C b,c	Wall Thick- ness				em, Mass Gain or Loss Due to End Finishing d
		Outside Diameter			Inside Diameter	Drift Diameter	Plain- end	kg
								Round Thread		Buttress Thread
							wpe
		D	kg/m	t	D	mm	kg/m	Short	Long	RC	SCC
		mm		mm	mm
1	2	3	4	5	6	7	8	9	10	11	12
13 3/8	48	339.72	71.43	8.38	322.96	318.99	68.48	15.04	—	— 17.91	—
13 3/8	54.5	339.72	81.1	9.65	320.42	316.45	78.55	13.88	—	16.44	—
13 3/8	61	339.72	90.78	10.92	317.88	313.91	88.55	12.74	—	14.97	—
13 3/8	68	339.72	101.19	12.19	315.34	311.37	98.46	11.61	—	14.97	—
13 3/8	68	339.72	101.19	12.19	315.34	311.37	98.46	11.67 f	—	14.33	—
13 3/8	72	339.72	107.15	13.06	313.6	311.15 e	105.21	10.98	—	13.98	—
13 3/8	72	339.72	107.15	13.06	313.6	311.15 e 309.63 309.63	105.21	10.91 f	—	14.33	—
13 3/8	72	339.72	107.15	13.06	313.6		105.21	10.98	—	13.98	—
13 3/8	72	339.72	107.15	13.06	313.6		105.21	10.91 e	—		—
16	65	406.4	96.73	9.53	387.4	382.57	96.73	18.59	—	— 20.13	—
16	75	406.4	111.61	11.13	384.1	379.37	108.49	16.66	—	18.11	—
16	84	406.4	125.01	12.57	381.3	376.48	122.09	14.92	—	—	—
16	109	406.4	162.21	16.66	373.1	368.3	160.13	—	—		—
18 5/8	87.5	473.08	130.21	11.05	450.98	446.22	125.91	33.6	—	39.25	—
20	94	508	139.89	11.13	485.7	480.97	136.38	20.5	27.11	24.78	—
20	94	508	139.89	11.13	485.7	480.97	136.38	20.61	27.26 g 24.27 17.84	24.78	—
20	106.5	508	158.49	12.7	482.6	477.82	155.13	18.22		22	—
20	133	508	197.93	16.13	475.7	470.97	195.66	13.03		16.02	—
NOTE See also Figures D.1, D.2, and D.3.
a Labels are for information and assistance in ordering.
b Nominal linear masses, threaded and coupled (Column 4) are shown for information only.
c The densities of martensitic chromium steels ( L80 Types 9Cr and 13Cr) are less than those of carbon steels; The masses shown are therefore not accurate for martensitic chromium steels; A mass correction factor of 0.989 shall be used.
d Mass gain or loss due to end finishing; See 8.5.
e Drift diameter for most common bit size; This drift diameter shall be specified in the purchase agreement and marked on the Pipe; See 8.10 for drift requirements.
f Based on 758 mPa minimum Yield strength or greater.
g Based on 379 mPa minimum yield strength.

Similarly, AISI, or the American Iron and Steel Institute, is another prominent organization that sets standards for the steel industry. AISI standards focus on the designations and classifications of different types of steel, providing a common language for manufacturers, engineers, and other professionals in the industry. These standards help ensure that the right type of steel is used for specific applications, taking into account factors such as strength, Corrosion resistance, and formability. casing pipe,casing well pipe, casing supreme pipe, casing vs carrier pipe, casing for ac pipe, casing steel pipe, casing pipe size, casing pvc pipe price, casing pipe, casing pipe suppliers in China, casing capping pipe, casing drill pipe,carrier pipe,casing pipe size,bushing Flange,bushing sleeve,bushing,bushing arm,bushing bearing,bushing Reducer,bushing tool,bushing pvc,bushing meaning

ISO, or the International Organization for Standardization, is a global standard-setting body that develops and publishes international standards for various industries, including steel. ISO standards provide guidelines for the production, testing, and quality control of steel products. These standards are crucial in promoting international trade and ensuring that steel products meet the