Hex Bolt and Nut ASTM A193 Gr B7 Stud ASTM A194 Gr 2h Heavy Hex Nut

• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI
• Grade: A194 2h
• Model NO.: a194 gr 2h heavy hex nut
• Products: ASTM A194 2h Heavy Hex Nut
• Grade S: A194 Grade 2h
• Sizes Range: 1/4′′ to 4′′
• Application: Connections with Bolts / Stud Bolts
• Surface: Plain, Black, Zinc, Dacromet, H.D.G. PTFE
• Mark: 2h
• Types: Plain Black Surface HDG A194 2h Heavy Hex Nuts
• Transport Package: Standard Export Packing
• Specification: 1/4′′ to 4′′
• Origin: China
• HS Code: 73181600
• Production Capacity: 3000tons/Month

Product Description

Hex bolt and nut astm a193 gr b7 stud astm a194 gr 2h heavy hex nut

ASTM A194 Grade 2H Heavy Hex Nuts are produced from Medium Carbon Alloy Steel (AISI 1045 ), then Quenched and Tempered. A194 Grade 2H nuts are manufactured from Premium Quality Material.We can supply heavy hex nuts in various sizes from 1/4'' to 4''.

1.Raw material of A194 2H Nut- SAE 1045 Chemical composition:

Element	2, 2H, and 2HM
Carbon	0.40% min
Manganese	1.00% max
Phosphorus, max	0.04%
Sulfur, max	0.05%
Silicon	0.40% max

2.Proof Load ability of A194 2H Nuts (EG.Some sizes )

Nominal Size, in.		Proof Load, lbf
	Stress Area in.2	Grade 2HM, Heavy Hex	Grade 2H, Heavy Hex
1/2"	0.1419	21,800	24, 830
5/8"	0.226	33,900	39, 550
3/4"	0.334	50,100	58, 450
7/8''	0.462	69,300	80, 850
1	0.606	90,900	106,000

3.Hardness of A194 2H Nuts 

Grade	Completed Nuts			Sample Nut After Heat Treat
	Brinell Hardness	Rockwell Hardness, C Scale	Rockwell Hardness, B Scale	Brinell Hardness, min	Rockwell B Scale, Min
2H through 1½ "	248 to 327	24 to 35	-	179	89
2H over 1½ "	212 to 327	35 max	95 min	147	79

4.Available surface of A194 2H Nuts:
Plain, Black, Zinc, Dacromet, H.D.G. PTFE ETC

5.Free samples: yes, sample canbe delivered to customer freely except paying DHL /express cost

6.Quality certificate: Supply sample Certificate before order, and we will sign "Quality Certificate" for every batch 

7.Delivery time : 7-30 days according to order, our factory keep many stocks , so, please contact for details.

8.MOQ: 0.5tons per size, for trial order, we will see the conditions.

9.Quality control:
Our factory have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine, Hardness testing machine, Dimensional measuring instrument, f, spectrometer, Metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries, if you have any need for our producrs, please contact us freely.