HQ NQ BQ Dill Steel Pipe Heavy Weight Thread Types

Price Negotiable

Price: 1500-1800 USD PER TON

MOQ: 3 TONS

Delivery Time: 20-45 days

Brand: TORICH

Product Description

HQ NQ BQ Dill Steel Pipe Heavy Weight Thread Types Coupling Manufacturers Range 3 Length Water Well

Steel Grade/Steel Material/Steel Number:

STM-C-540 STM-C-640 STM-R-590 STM-R-690 STM-R-780 STM-R-830

Size Range:

OD: 5-420mm

WT: 0.5-50mm

MECHANICAL PROPERTIES min
Steel grade	Tensile strength Mpa	Yeild point or proof stress Mpa	Elongation %
STM-C-540	540	-	18
STM-C-640	640	-	16
STM-R-590	590	375	18
STM-R-690	690	440	16
STM-R-780	780	520	15
STM-R-830	830	590	10

Outside Diameter,wall Thickness and Mass (for casing Tube)
Nominal diameter	Outside diameter mm	Inside diameter	Wall thickness mm	Unit mass kg/m
43	43	37	3	2.96
53	53	47	3	3.7
63	63	57	3	4.44
73	73	67	3	5.18
83	83	77	3	5.92
97	97	90	3.5	8.07
112	112	105	3.5	9.36
127	127	118	4.5	13.6
142	142	133	4.5	15.3
Outside Diameter,wall Thickness and Mass (for Core tube)
Nominal diameter	Outside diameter mm	Inside diameter	Wall thickness mm	Unit mass kg/m
34	34	26.5	3.75	2.8
44	44	34.5	4.75	4.6
54	54	44.5	4.75	5.77
64	64	54.5	4.75	6.94
74	74	64.5	4.75	8.11
84	84	74.5	4.75	9.28
99	99	88.5	5.25	12.1
114	114	103.5	5.25	14.1
129	129	118.5	5.25	16
144	144	133.5	5.25	18
180	180	168	6	25.7
Outside Diameter,wall Thickness and Mass (for Drill Rod)
Nominal diameter	Outside diameter mm	Inside diameter	Wall thickness mm	Unit mass kg/m
33.5	33.5	23	5.25	3.66
40.5	40.5	31	4.75	4.19
42	42	32	5	4.56
50	40	37	6.5	6.97

Characteristic:

Good Surface Quality

Good OD and ID tolerance controlled to Technical Standard

Stable quality

100% Eddy Current Test

TORICH QUALITY ASSURANCE

Production Processs:

Raw Material → Incoming Inspection → Storage → Cutting → Hammering → Pickling Lubrication → Cleaning→ Phosphorization → Clean → Lubrication → Cold Drawing/Cold Rolling → Middle Check → Heat Treatment → Straightening → Ends Cutting → Final Inspection → Bundling → Storage