GW50 full automatic steel bar bend and rebend testing machine

News

GW50 full automatic steel bar bend and rebend testing machine

GW50 Automatic steel bend and rebend testing machine

1. Product introduction
GW50 automatic forward and reverse bending test machine is mainly used for metallurgical construction quality inspection department, and can also be used for building engineering raw materials, steel bar welding point bending performance testing, steel enterprise, scientific research institution, quality inspection, construction engineering, railway, transportation Common equipment for testing and researching the bending properties of materials in industries such as water transport and universities.

2. Test method
GB 1499.2 Steel for reinforced concrete - Part 2: Hot rolled ribbed bars
ISO 6935-2 steel for the reinforcement of concrete – part 2: ribbed bars
YB/T 5126 steel for reinforced concrete bending and reverse bending test method
ISO 10065 steel bars for reinforcement of concrete – bend and rebend test
GB/T 232 metal material bending test method
ISO 7438 metallic materials – bend test
GB/T 1449 fiber reinforced plastic bending performance test method
ISO 14125 fibre- reinforce plastic composites – determination of flexural properties
GB/T 244 metal tube bending test method
ISO 8491 metallic materials – tube – bend test

Various grades of steel bars correspond to the forward and reverse bending test head diameter table

Grade	Nomical diameter(d)	bending head diameter	rebend head diameter
		180°bending	90°bending first,20°rebend then
HRB400 HRBF400 HRB400E HRBF400E	6～25	4d	5d
	28～40	5d	6d
	>40～50	6d	7d
HRB500 HRBF500 HRB500E HRBF500E	6～25	6d	7d
	28～40	7d	8d
	>40～50	8d	9d
HRB600	6～25	6d	7d
	28～40	7d	8d
	>40～50	8d	9d

Grade	Nomical diameter(d)	180°bending head diameter	90/20°rebending head diameter
HRB400 HRBF400 HRB400E HRBF400E	6	24	30
	8	32	40
	10	40	50
	12	48	60
	14	56	70
	16	64	80
	18	72	90
	20	80	100
	22	88	110
	25	100	125
	28	140	148
	32	160	192
	36	180	216
	40	200	240
	50	300	350

HRB500/600

Grade	Nomical diameter(d)	180°bending head diameter	90/20°rebending head diameter
HRB500 HRBF500 HRB500E HRBF500E HRB600	6	36	42
	8	48	56
	10	60	70
	12	72	84
	14	84	98
	16	96	112
	18	108	126
	20	120	140
	22	132	154
	25	150	175
	28	196	224
	32	224	256
	36	252	288
	40	280	320
	50	400	450