Carpenter 20 Rods | McMaster-Carr

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20,000 psi to 99,999 psi

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High Strength

Highly Weldable

Ultra Chemical Resistant

Ultra Corrosion Resistant

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Specifications Met

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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EAR99

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24 Products

About Stainless Steel

Compare over 25 types of stainless steel to find the right material for you—all with material certificates for traceability.

Ultra-Corrosion-Resistant Alloy 20 Stainless Steel Rods

A high nickel content allows Alloy 20 stainless steel to stand up to harsh chemicals in caustic environments. It's also known as Carpenter 20. Maximum temperature for corrosion resistance is not rated.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Dia.	Dia. Tolerance	Fabrication	Hardness	Specs. Met		1/2 ft. Long	1 ft. Long	3 ft. Long	6 ft. Long
1/4"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K27	000000	000000	000000	000000
3/8"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K12	00000	00000	00000	000000
1/2"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K13	00000	00000	000000	000000
5/8"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K14	00000	00000	000000	000000
3/4"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K15	00000	00000	000000	000000
7/8"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K16	00000	00000	000000	000000
1"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K17	00000	000000	000000	000000
1 1/2"	-0.003" to 0.003"	Cold Worked	Rockwell B95 (Medium)	ASTM B473	9091K21	—	000000	000000	00000000

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications, from mounting I-beams to suspending light fixtures.

Stainless Steel

More corrosion resistant than steel rods and comparable in strength to low-strength steel.

Ultra-Corrosion-Resistant Alloy 20 Stainless Steel—The most corrosion-resistant stainless steel rods we offer, these hold up in just about any environment. They won't pit or weaken when exposed to salt water and harsh chemicals, such as sulfuric acid. They’re often used in chemical-processing, battery-production, and metal-finishing equipment. Also known as Carpenter 20.

	Lg., ft.	Specs. Met		Each
Ultra-Corrosion-Resistant Alloy 20 Stainless Steel







		1/4"-20

		1	80,000	Not Rated	ASTM B473	95745A050	000000


		3	80,000	Not Rated	ASTM B473	95745A021	00000
		6	80,000	Not Rated	ASTM B473	95745A130	000000




				5/16"-18

				1	80,000	Not Rated	ASTM B473	95745A051	00000


				3	80,000	Not Rated	ASTM B473	95745A027	000000
				6	80,000	Not Rated	ASTM B473	95745A140	000000




						3/8"-16

						1	80,000	Not Rated	ASTM B473	95745A052	00000


						3	80,000	Not Rated	ASTM B473	95745A033	00000
						6	80,000	Not Rated	ASTM B473	95745A150	000000




								1/2"-13

								1	80,000	Not Rated	ASTM B473	95745A053	00000


								3	80,000	Not Rated	ASTM B473	95745A039	000000
								6	80,000	Not Rated	ASTM B473	95745A160	000000




										5/8"-11

										3	80,000	Not Rated	ASTM B473	95745A043	000000


										6	80,000	Not Rated	ASTM B473	95745A170	000000




												3/4"-10

												3	80,000	Not Rated	ASTM B473	95745A046	000000


6	80,000											Not Rated	ASTM B473	95745A180	000000