6 x 37 Classification/Bright (Uncoated), or Drawn Galvanized, IWRC

Nominal Diameter

Nominal Strength*

Approximate Mass

Extra Extra Improved Plow Steel

EEIPT

Inches	MM	TONS	METRIC TONS	TONS	METRIC TONS	LB/FT	KG/M
1	26	56.9	51.6			1.85	2.75
1-1/8	29	71.5	64.9			2.34	3.48
1-1/4	32	87.9	79.8			2.89	4.30
1-3/8	35	106.0	96.2			3.50	6.59
1-1/2	38	125.0	113.0			4.16	6.19
1-5/8	42	146.0	132.0			4.88	7.62
1-3/4	45	169.0	153.0			5.67	8.44
1-7/8	48	192.0	174.0			6.50	9.67
2	51	217.0	197.0	249.0	226.0	7.39	11.0
2-1/8	54	244.0	221.0	276.0	250.0	8.35	12.40
2-1/4	57	272.0	247.0	303.0	275.0	9.36	13.90
2-3/8	61	302.0	274.0	337.0	306.0	10.40	15.50
2-1/2	64	332.0	301.0	370.0	336.0	11.60	17.30
2-5/8	67	364.0	330.0	408.0	370.0	12.80	19.00
2-3/4	70	397.0	360.0	451.0	409.0	14.00	20.80
2-7/8	74	432.0	392.0	493.0	447.0	15.30	22.00
3	77	468.0	425.0	541.0	441.0	16.60	24.70
3-1/8	80	505.0	458.0	575.0	522.0	18.0	26.8
3-1/4	83	543.0	493.0	614.0	557.0	19.50	29.00
3-3/8	86	582.0	528.0	669.0	607.0	21.00	31.30
3-1/2	90	621.0	563.0	726.0	659.0	22.70	33.80
3-3/4	96	705.0	640.0	787.0	714.0	26.00	38.70
4	103	793.0	720.0	877.0	796.0	29.60	44.10
4-1/4	108	877.0	797.0	931.0	845.0	33.30	49.60
4-1/2	115	975.0	886.0	1035.0	939.0	37.40	55.70
4-3/4	122	1077.0	979.0.0	1143.0	1037.0	41.70	62.10

* To convert to Kilonewtons (kN), multiply tons (nominal breaking strength) by 8.896; 1 lb = 4.448 newtons (N). For Regular Galvanized Strengths, Deduct 10%.

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